人造草坪
以仿草叶状的合成纤维,植入在机织的基布,背面涂上起固定作用的涂层以作运动场上、庭园地坪和绿化地面上作人造草坪。
中文名绿城人造草外文名citygreen artificial grass
草 高10-70mm
材 质PE/PP/PA
行 距3/4、3/8、3/16、5/8
底 部网格/复合
人造草坪简介
英文名
artificial turf/artficial grass/artificial lawn/synthetic grass/turf/synthetic turf
名词解释
将仿草叶状的合成纤维,植入在机织的基布上,背面涂上起固定作用涂层的具有天然草运动性能的化工制品。广泛应用于运动和休闲场所
人造草坪成分结构
聚乙烯人造草
聚乙烯人造草(2张)
其原料多为聚乙烯(PE)和聚丙烯(PP)为主,也可用聚氯乙烯和聚酰胺等。片叶上着以仿天然草的绿色,并需加紫外线吸收剂。
聚乙烯(PE):手感更为柔软、外观和运动性能更接近天然草,被用户广泛接受。是目前市场上使用最广泛的人造草纤维原材料
聚丙烯(PP):草纤维较硬,
绿塔人造草坪图册
绿塔人造草坪图册(2张)
一般适用于网球场、操场、跑道或装饰等用途。耐磨性稍微差于聚乙烯
尼龙(Nylon):是最早的人造草纤维原材料,属于第一代人造草纤维
人造草坪材料结构
人造草坪由3层材料组成。基础层是由夯实土层、碎石层和沥青或混凝土层组成。基础层要求坚实、不变形,表面光洁和不透水,即一般的混凝土场地。由于曲棍球场地面积大,施工时一定要处理好基础层,防止下陷。若铺混凝土层,混凝土固化后要切割出膨胀缝,防止热胀变形和裂缝。基础层之上是一层缓冲层,通常为橡胶或泡沫塑料组成。橡胶弹性适中,厚度3~5mm。用泡沫塑料成本较低,但弹性差,厚度5~10mm,过厚草坪太软,而且易凹陷;过薄缺弹性,起不到缓冲作用。缓冲层要牢固地粘贴在基础层上,一般用白乳胶或万能胶粘贴。
实物图
实物图
第三层,也是表层,为草皮层。依制造的表面形状有绒毛草皮、圆环形卷曲状尼龙丝草皮、叶状聚丙烯纤维草皮、尼龙丝编制的透水草皮等。这一层也必须用乳胶粘在橡胶或泡沫塑料上。施工时必须全面涂胶,依次压紧贴牢,不能起皱折。
在国外,草皮层常见两种:1、草皮层叶状纤维较薄,仅1.2~1.5mm;2、草皮纤维较厚,20~24mm,其上用石英填充几乎到纤维顶部。
发展简史介绍
人造草坪诞生于上个世纪60年代的美国,它是以非生命的塑料化纤产品为原料采用人工方法制作的拟草坪。它不像天然草坪一样需要消耗生长必需的肥料、水等资源,能满足全天24小时高强度的运动需要,且养护简单、排水迅速、场地平整度优秀。人造草坪被广泛用于曲棍球、棒球、橄榄球的专用比赛场地,足球、网球、高尔夫球等运动的公众练习场或作为地面铺装美化室内环境等。
自然界真草和人工假草的对比
国内最早于80年代末引进人造草坪,直到90年代中后期才得到大面积的推广。它和塑胶跑道一起成为学校运动场地建造的标准模式,替代了大量原本种植天然草坪的运动场地。尽管由于运动安全、场地特性及公众认知等方面的原因,人造草坪的应用范围在一定程度上受到了限制,但随着科技的发展,人造草坪的生产制作技术不断得到了创新和提高。现今采用开网单纤维长丝制成的第六代人造草坪在吸震比率、球反弹滚动、转向数值等场地运动指标上与天然草坪更加接近了,甚至在某些特性上还更具优势。在运动安全性能上,新一代人造草纤维在表面涂层、聚合原料上的改良已经可以有效降低皮肤划伤和脚部扭挫伤等运动伤害的发生。人造草坪和天然草坪各自的优势都相对突出,不足和缺点也客观存在,选择使用的时候必须根据实际情况来综合考虑。运动性能与天然草坪相比,人造草坪建造的场地通常硬度要大得多,化学纤维的摩擦系数也常常小于草坪草的叶片,在足球运动中就表现为导致球速过快、反弹率过高,从而增大运动员对球的控制难度。
人造草坪相对天然草坪运动特性上的优势在于场地均一性出色,平整度也要好得多,可以充分避免因气候、养护等因素造成的场地状况不良,从而影响比赛。
真假草坪的细处比较
对环境的影响对空气状况的影响天然草坪由绿色植物组成,可以通过光合作用这一生理代谢过程吸收二氧化碳,放出氧气,并可以吸收二氧化硫、氟化氢、氨气、氯气等有毒气体,起到净化空气的作用。天然草坪对尘埃有明显的阻滞作用,测定数据表明,在刮三四级风时,裸地上空中的粉尘浓度草坪上空的13倍。研究表明,25平方米的草坪可将一个人呼出的二氧化碳全部吸收,转化为氧气,满足人体呼吸过程中所需的氧气。人造草坪是由聚乙烯、聚丙烯等聚合物制成的非生命物质,不能进行绿色植物的新陈代谢活动,也就不具有调节大气中碳氧平衡的作用。虽然人造草坪可以在一定程度上阻滞尘埃,但不具备吸收有毒气体净化大气的功能。另外,低工艺水平的人造草坪纤维中常含有氯元素杂质,在高温、强日照条件下会分解并释放出氯气,损害空气质量。
对气候的影响天然草坪的坪床是泥沙混合体,结构中有充分的孔隙可以在灌溉和降水过程中积累水分,起到涵养水源的作用。气候炎热时,草坪草用根系吸收深处的水分,通过蒸腾作用带走周围环境的大量热量,有效降低地面温度,调节一定范围内的小气候。人造草坪的坪床结构由橡胶、混凝土或沥青组成,基本不能起到涵养水源的作用,所以不能降低地表温度,而且其热容量小,导致表面温度大幅高于空气温度,特别是在封闭式的体育场中这一问题更为严重。夏季中午时分,人造草坪场地上可以观察到地表附近的空气有明显的受热扭曲现象。有关实验数据表明,30℃以上的高温条件下,天然草坪的表面平均温度低于气温2℃至3℃,而人造草坪表面温度则高于气温6℃至11℃,且随气温升高,人造草坪表面温度上升幅度要明显高于天然草坪。在夏季,人造草坪表面温度很高,如果此时使用者与其发生比较激烈的摩擦,接触部位的皮肤将受到严重的伤害。
最终产物天然草坪所产生的枯草残体在坪床泥沙中的微生物的分解作用下,转化为有机质重新回到土壤中。最终剩余无毒、无害的泥沙混合体,可以向其中添加有机质改良后另做他用。
人造草坪的环保性
人造草坪的主要成分聚乙烯属非生物降解材料,经8至10年老化淘汰后,形成数以吨计的高聚物垃圾。国外一般都是由专业公司回收降解,再实现资源再生利用,国内可用作路政工程的地基填充物。如场地改为其他用途还需清除由沥青或混凝土建造的基础层。
人造草坪生产工艺人造草坪优点
人造草坪有外观鲜艳、四季绿色、生动、排水性能好、使用寿命长、维护费用低等优点。
人造草坪运动系统对基础的质量要求主要集中在三个方面:硬度、平整度和排水坡度。
常用的人造草基础有三类:沥青基础、水泥基础、碎石基础,采用哪种类型主要是由当地气候环境及预算、时间所决定,沥青基础特别适合北方温差大且冬季气温低的气候环境,同时也因为其造价昂贵,对于温暖潮湿的环境来说并不是最合适的基础类型,碎石基础因为其施工简便,造价低廉,排水迅速,在南方比较常见,但因为其钢性及稳定性差,长时间使用后容易出现基础松动,从而导致基础不平整;因此,在国内大部分区域,水泥混泥土基础成了经济实用、性价比非常高的人造草基础类型。双和体育根据丰富的人造草系统经验,就人造草水泥混泥土基础做如下简单介绍:
1、对基础表面平整度要求较高,以保证人造草面层厚度一致,弹性均匀。平整度合格率在95%以上,
5米直尺误差3MM,坡度:横向8‰,纵向5‰,半圆区5‰,表面应平坦、光滑、保证排水。
2、基础应具有一定的强度和稳定性。
3、表面均匀坚实、无裂缝,无烂边麻面,接缝平直光滑,以6000mm×6000mm左右切块为好。
4、垫层压实,密实度大于95%,在中型碾压机压过后,无显著轮迹,无浮土松散、波浪等现象。
5、水泥基础必需有隔水层,隔水层采用新PVC加厚隔水薄膜,交接处应大于300mm,边沿余量大于150mm。
6、需考虑留伸缩缝,宽度在5毫米。
7、基础保养期为2-3周。
人造草坪分类
不充沙
在美国,大部分人造草坪所使用的人造草纤维材料是高档的尼龙材料,也有使用多元纤维的,而不充沙人造草坪也可分为渗水和不渗水两种。这种草坪在外形上酷似天然草坪,部分带有一层吸震泡沫软垫层,吸震层有多种不同的密度和厚度。由于在国内真正掌握人造草坪铺设技术的厂家不多,而且多为外来技术,因此,在铺设不充沙人造草坪时,特别是铺设吸震泡沫软垫层必须要由国外专家来完成。吸震泡沫底下要铺一层光滑的沥青作为基础,沥青下面还要铺上碎石、沙子和卵石作为基础,而其中的排水系统的构造是最关键的环节。另外,这种类型的人造草坪在安装过程中一定要使用人造草专用机械,特别是在一些专业的或者造价昂贵的运动场地的铺设安装中尤其重要,否则将无法达到场地平整和均匀度的要求,例如为2008年奥运会曲棍球训练场地的北京芦城体育运动技术学院的曲棍球场和部分为了满足特别需求的可移动式人造草、拼块人造草等场地都必须严格按以上要求进行施工。
人造草坪填充颗粒
填充颗粒草坪因为具有国际先进水平良好的运动性能和不错的实用性在中国被广大用户所接受。其材料多数采用聚乙烯(PE)或聚丙烯(PP)以上两种材料的聚合物,这种草坪的纤维比不充沙草坪的长,表面下回填2—3毫米的石英沙和橡胶颗粒。它的运动特性跟天然草坪非常接近,并可一年四季、全天候地使用。通常草坪铺设后需要养护使用6—8个月才能达到最佳状态。这种类型的草坪特别适合铺设在户外,其保用期通常为5-8年,不过它的实际寿命完全可以超过5年。在长期干燥的天气里,只要在草坪洒一点水,就可以减少运动员被擦伤的危险。
人造草坪混合草坪
将天然草坪和人造草坪融合在一起已经不是梦想,这种草坪的草是天然的,用塑料对草的根部结构进行加固,例如让草在塑料做成的网状底部上生长。通过这种方式,将天然草坪对用户友好的特性与人造草坪超强的耐用性很好地结合起来。
在国内填充颗粒人工草皮占95%,但是很多学校在选择产品时候往往容易忽视了最重要的施工环节,人造草的施工技术对人造草在后期的维护保养和提高使用寿命是非常重要的。
首先要作技术准备,作好“三通一平”及先熟悉图纸,检查验收基础施工质量,铺设场地需清洁,表面应干燥、光滑,无杂物,无腊渍、油脂,最低施工温度应保持在10℃以上。使用经纬仪或其它仪器,测量周边设施是否符合运动场之尺寸,如有不合适处应即时修改,容许误差±5毫米。
其次,人造草铺设前要和人造草生产单位一起对草皮进行质量检查,检查草皮的材料质量、密度和编织工艺是否合格,以满足使用要求。一个标准场地连接点不能超过30个,同时,检查填充物的质量是否达到环保要求。在铺设过程中,要使用专用工具按规格对草坪进行切边、对缝,将搭接的草坪
切割平齐。使用人造草运动场地专用胶水连接,接缝应不大于2毫米。粘结时温度不可过低,环境温度应选在10℃以上施工为宜;另外不宜在下雨或霉雨天气下施工,否则会导致粘接时间过长甚至引起不粘。
石英砂、橡胶颗粒的填充是施工工艺中最重要的一个环节,只有待人工草坪面层材料安装完成,经检查平整牢固符合要求后,方可填充石英砂及橡胶颗粒。填充的规格标准和数量根据草的高度和密度而分别确定。需要注意的是,必须使用专用的注砂机器和刷草设备来填充颗粒,才可以保证场地平整度和均匀度,同时利于提高场地的运动性能。而且石英砂和橡胶颗粒必须是完全干燥的材料才可施工,否则草茎将会被压倒而影响填充质量。石英砂应该采取多层填充,每填充一层都需使用刷草机来回铺刷使填充物下落充实。通常一个场地要来回铺耍二十次以上为佳。
人造草坪优点
1可在各种基础表面安装,基础质量要求不高,不怕开裂、无起泡脱层之忧、既简单又经济。
2人造草维护简单,养护费用低,只需清水冲洗即可去除污垢,而且具有不退色不变形等特点。
3人造草坪运动场整体布局美观,使用率高,寿命可达8年以上,且耐用耐保养,可全天候持续使用。
4人造草材质环保,成品施工,工期固定且较短,品质易掌握,验收简单。
5人造草坪既减震且无噪音、安全无害、富有弹性、阻燃性能好等特点,适合于学校使用,是现时最佳的活动、训练、比赛等场地。
6人造草坪采取安全环保的概念,以避免运动伤害为主导,它提供足够的缓冲力,降低一般硬地对脚部可能导致的损伤,让你完全没有因场地而引发的各种顾虑。
8基础不与面层粘接。当面层使用期限满时仅需更换面层即可,再投资成本低。
9草坪间隙采用高温处理的特殊高比重石英沙,使学生有亲近土壤的机会而有不至将环境和身体弄脏,免去一切打扫的烦恼。
10草坪划线采用直接编制,不需要为频繁划线而苦恼,维护保养容易,几乎无后续维修费用。
人造草坪英文综合介绍
Imitation grass-like synthetic fibers, implanted in woven fabric, back painted from the fixed effect of coating to make the playing field, for artificial turf on the garden floor and green ground.
Chinese name Greentown artificial grassForeign Name citygreen artificial grass
High grass 10-70mm
Material PE / PP / PA
OK from 3 / 4,3 / 8,3 / 16,5 / 8
The bottom of the grid / composite
Table of Contents
1 Introduction
Two component structure
▪ chemical composition
▪ material structure
3 A brief history
▪ Introduction
▪ Compare
▪ Environmental
Four production process
▪ Advantages
▪ Classification
▪ technical parameters
▪ FAQ
5 Applications
▪ Use Type
▪ construction methods
▪ Applications
▪ Precautions
▪ Pictures
1 Introduction
English name
artificial turf / artficial grass / artificial lawn / synthetic grass / turf / synthetic turf
Glossary
The fake grass-like synthetic fibers, implanted in the woven fabric, back painted from the fixed effect coating with a natural grass sports performance chemical products. Widely used in sports and leisure facilities
Two component structure
Chemical Composition
Polyethylene artificial grass
Polyethylene artificial grass (2)
Its raw materials are mostly polyethylene (PE) and polypropylene (PP)-based, can also be used, such as polyvinyl chloride and polyamide. Leaves on the imitation of natural grass green, and the need to add UV absorbers.
Polyethylene (PE): softer feel, appearance and sports performance is closer to natural grass, has been widely accepted by users.
Is currently the most widely used on the market artificial grass fiber raw materials
Polypropylene (PP): grass fibers hard,
Green Tower artificial turf Atlas
Green Tower artificial turf Atlas (2)
Generally applicable to the tennis court, playground, running track or decorative purposes. Slightly worse than the polyethylene
wear
Nylon (Nylon): is the first artificial grass fiber raw materials, belong to the first generation of artificial grass fibers
Material structure
Artificial turf by three layer material. Base layer is made of compacted soil, gravel and asphalt or concrete layer. Requires a
solid base layer, no distortion, smooth and impervious surface, which generally concrete venue. Due to the large area hockey
venue, must handle the construction of the base layer to prevent subsidence. If laid concrete layer, after the concrete has cured to cut expansion joints, prevent thermal expansion deformation and cracks.
The base layer is a layer above the buffer layer is generally composed of rubber or foam. Rubber-elastic medium, the thickness of
3 ~ 5mm. Foam using a lower cost, but the flexibility is poor, the thickness of 5 ~ 10mm, thick grass too soft, and easy to sag;
lack of elasticity is too thin, will not achieve the buffer. The buffer layer should be firmly attached to the base layer, usually
with white latex or all-purpose adhesive paste.
Physical map
The third layer is the surface layer for the divot. According to the surface shape of the manufacturing plush turf, curled nylon yarn circular turf, turf leafy polypropylene fibers, nylon yarn preparation permeable turf and so on. This layer must also be used in a rubber or foam adhesive on the milk. Must be fully coating, followed by the construction of pressure close to the prison, not wrinkled.
In other countries, the common two turf layer: 1, sod layer leafy fiber is thin, only 1.2 ~ 1.5mm; 2, turf fibers thick, 20 ~ 24mm, which is filled almost to the top with a quartz fiber.
3 A brief history
Introduction
Artificial turf was born in the 1960s in the United States, which is based on non-life plastic lawn chemical products as raw materials to be produced by artificial methods. It is not the same need to consume natural grass growth necessary for fertilizer, water and other resources, to meet the 24-hour high-intensity exercise needs, and conservation of simple, rapid drainage, site flatness outstanding. Artificial turf has been widely used in public driving range hockey, special venue baseball, football, soccer, tennis, golf and other sports or as a floor covering beautify the indoor environment.
Contrast natural real grass and artificial grass fake
Compare
The earliest introduction of artificial turf in the late 1980s until the late 1990s before they get to promote a large area. It has become the standard mode together plastic track school sports venues built to replace a lot of the original planting of natural turf sports fields. Although sports safety reasons, site characteristics and other aspects of public awareness, the scope of application of artificial turf to some extent, been limited, but with the development of technology, the production of artificial turf production technology has been the innovation and improvement. Today, an open network of single filament made of the sixth generation of artificial turf in shock absorption ratio, rolling the ball bounce, steering and other venues on numerical indicators and natural turf sports closer, and even on some features also an advantage. Safety performance in sports, a new generation of artificial grass fibers on the surface coating on the polymeric material has been modified can reduce skin scratches and foot contusion and other sports injuries occur. Artificial turf and natural grass respective strengths are relatively prominent, deficiencies and shortcomings exist objectively, must choose to use when considering the actual situation.
Sports performance compared with natural grass, artificial turf-built venues are usually much greater hardness, friction coefficient of chemical fibers are often less than the lawn grass blades, in football as a lead ball on the performance of fast, bounce rate is too high, thereby increasing the athlete control of the ball difficult.
The relative advantages of artificial turf on the motion characteristics of natural turf is an excellent venue uniformity, flatness should be much better, you can take to avoid adverse field conditions due to climate, conservation and other factors, thus affecting the game.
Fine contrast between true and false at the lawn
Impact on the environmental impact of natural grass on air conditions composed by green plants can absorb carbon dioxide through photosynthesis, the physiological metabolic processes, release oxygen, and can absorb sulfur dioxide, hydrogen fluoride, ammonia, chlorine and other toxic gases, purify the air role. Natural turf for a significant blockade of dust, the measured data shows that, in the third and fourth blade wind, the dust concentration in the air of the bare floor 13 times over the lawn. Research
shows that 25 square meters of lawn can be a whole person exhaled carbon dioxide absorption, is converted into oxygen, to meet the oxygen needed for the human respiratory process. Artificial turf is made of polyethylene, polypropylene and other polymers made from non-living matter can not be green metabolic activity, and not capable of regulating atmospheric carbon and oxygen balance.
Although artificial turf dust can block a certain extent, but do not have to absorb the atmosphere of toxic gas purification function. In addition, the low technological level of artificial turf fibers often contain chlorine impurities at high temperatures, strong sunlight conditions will decompose and release chlorine, harm air quality.
The impact on the climate is a natural turf floor bed sediment mixture, the pore structure of sufficient moisture can accumulate in irrigation and precipitation process, play the role of water conservation. When the weather is hot, turf grass with deep roots
absorb water, take a lot of heat surrounding environment through transpiration, reduce surface temperature, adjust the microclimate within a certain range. Ping bed structure artificial turf made of rubber, concrete or asphalt composition, basic can not play the role of water conservation, we can not reduce the surface temperature, and its small thermal capacity, resulting in surface temperatures significantly higher than the air temperature, especially in enclosed stadium in this problem is more
serious. Summer noon, on artificial turf fields can be observed near the surface of the heated air has obvious distortions.
Relevant experimental data show that more than 30 ℃ under high temperature conditions, the average surface temperature is lower
than the temperature of natural grass 2 ℃ to 3 ℃, while the artificial turf surface temperature is higher than the temperature of 6 ℃ to 11 ℃, and with rising temperatures, artificial lawn surface temperature rise is significantly higher than natural turf. In summer, the artificial turf surface temperature is very high, more intense friction occurs if this time its users, the contact area of the skin will be seriously hurt.
Microbial decomposition of hay residues of the final product produced by the natural grass in the bed floor sediment, and organic
matter back into the soil. Also he used to do after the final remaining non-toxic, harmless sediment mixture, you can add organic
matter to improve them.
Environmental
The main ingredient is a non-artificial turf polyethylene biodegradable material, after 8-10 years of aging eliminated, forming hundreds of tons of polymer waste. Foreign companies are generally recovered by a professional degradation, then the recycling of resources, the foundation can be used as filler domestic Highways project. As the venue changed to other uses by the need to remove the base layer of asphalt or concrete construction.
Four production process
Advantages
Artificial turf has the appearance of bright, seasonal green, lively, good drainage performance, long life, and low maintenance costs.
Artificial turf sports systems for basic quality requirements are mainly concentrated in three areas: the hardness, flatness and drainage slope.
Common basis of three types of artificial grass: asphalt base, cement foundation, gravel base, using which type is mainly determined by the local climate and environment and budget, time, asphalt base especially for large temperature difference between the north and low winter temperatures in the climate and environment, but also because of its high cost, for the warm and humid environment is not the most appropriate basis for the type of gravel base because of its simple construction, low cost, rapid
drainage, more common in the South, but because of the difference between its rigidity and stability, after prolonged use of prone foundation loose, resulting in uneven basis; therefore, in most regions of the country, cement concrete foundation became economical and practical, very high cost of artificial grass base type. Double and Sports artificial turf system based on a wealth of experience on the artificial turf of cement concrete foundation briefly as follows:
1, on the basis of surface roughness higher, in order to ensure consistency of the artificial turf surface layer thickness, elasticity uniform. Flatness pass rate of more than 95%,
5 m ruler error 3MM, slope: horizontal 8 ‰, vertical 5 ‰, semi-circular area 5 ‰, the surface should be flat, smooth, ensure drainage.
2, the base should have a certain strength and stability.
3, the surface uniformly solid, no cracks, no bad side Pock seams straight and smooth, with around 6000mm × 6000mm cut as well.
4, cushion compaction, the density of greater than 95%, after the medium-sized rolling machine pressure, no significant wheel tracks, no surface dust loose, wave and so on.
5, there must be impermeable layer of cement foundation, new PVC thick impermeable layer impermeable film, junction should be greater than 300mm, edge margin greater than 150mm.
6, consider leaving joints, width of 5 mm.
7, basic maintenance period of 2-3 weeks.
Classification
Not filling sand
In the United States, most of the artificial turf artificial turf fiber material used is high-grade nylon material, but also the use of multiple fibers, without filling sand artificial turf can be divided into two kinds of water seepage and impermeable. This resembles natural grass lawn in shape, partly with a layer of shock-absorbing foam cushion layer, shock-absorbing layer has a variety of different density and thickness. Since the domestic real grasp laying artificial turf technology manufacturers small, and mostly foreign technology, therefore, not filling sand in laying artificial turf, especially when the laying of shock-
absorbing foam cushion layer must be done by foreign experts. Beneath a layer of shock-absorbing foam to smooth asphalt as a base, but also covered with gravel below the asphalt, sand and gravel as a base, and construct drainage system which is the most critical part. In addition, this type of artificial turf during installation must use artificial turf special machinery, is particularly important, especially in some professional sports venues or costly laying of installation, otherwise it will not meet the requirements of site preparation and evenness , for example, for 2008 and part of the Olympic hockey field hockey training venues in Beijing Lu City Sports Technical Institute in order to meet the special needs of removable artificial grass
Filler particles
Filler particles lawn because it has good international advanced level of sports performance and good usability in China has been accepted by the majority of users. Most of the material polyethylene (PE) or polypropylene (PP) polymer of two or more materials, backfilling quartz sand and rubber granules of 2-3 mm in this lawn grass fiber ratio is not long filling sand surface. Its motion characteristics with natural turf is very close, and all year round, all-weather use. After laying turf usually need to conserve the use of 6-8 months to achieve the best condition. This type of lawn is particularly suitable for laying outdoors, the warranty period is usually 5-8 years, but it's real life completely over five years. In the long dry weather, sprinkle a little water as long as the lawn, you can reduce the risk of athletes were scraped.
Mixed lawn
The natural grass and artificial turf together is not a dream, this is a natural grass lawn with plastic on thegrass root
structure reinforcement, such as allowing the grass to grow on the bottom made of plastic mesh. In this way, the natural turf for user-friendly features and superior durability of artificial turf a good combination.
Artificial turf filler particles in the country accounted for 95 percent, but many schools in the choice of products is often easy to overlook when the most important aspects of construction, construction technology of artificial grass artificial grass in the late maintenance and improve the life is very important.
First of all to make technical preparations ready "leveling" and be familiar with the drawings, foundation construction quality inspection and acceptance, the laying site to be cleaned, the surface should be dry, smooth, no debris, no wax stains, grease, the minimum application temperature should be maintained at above 10 ℃. Using theodolite or other instruments to measure the size of the surrounding facilities meets the playground, if inappropriate place should immediately be amended to allow error of ± 5 mm.
Secondly, before the laying of artificial grass and artificial grass production units to be together on the turf quality
inspection, inspection turf material mass, density and weaving is qualified to meet the requirements. A standard site can not be more than 30 connection points, while the quality check whether the filler to meet environmental requirements. In laying process, to use special tools according to specifications on the lawn trimming, butt, lap lawn will be cut flush. The use of artificial grass sports venues special glue connections, joints should be no greater than 2 mm. When the bonding temperature is not too low,
ambient temperature should be chosen above 10 ℃ construction is appropriate; Also not in the rain or under construction Meiyu weather, otherwise it will lead to long time or even cause the adhesive stick.
Quartz sand, filled rubber particles is the construction process of the most important aspect, only to be artificial turf surface material installation is complete, after checking smooth firm meets the requirements, before filling quartz sand and rubber granules. And filling specifications are determined according to the number of the grass height and density. Note that you must use a dedicated machine and brush grass sand injection equipment to fill the particles, we can ensure flatness and uniformity of venues, but help to improve athletic performance venues. And quartz sand and rubber particles must be completely dry before construction materials, otherwise the stem will be filled with an overwhelming affect quality. Should adopt multi-filled quartz sand, filling each layer are required to use the brush grass machine shop brush back and forth so that the filler whereabouts enrichment. Usually a venue to go back and shop more than twenty times better playing.
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