1、土工格柵按制造方法不同,分為拉(la)伸(shen)(shen)塑料土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha)(單(dan)向拉(la)伸(shen)(shen)塑料土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha)和(he)雙向拉(la)伸(shen)(shen)塑料土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha))、復合(he)反濾(lv)型土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha)、鋼塑復合(he)土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha)、高強PP土(tu)(tu)工(gong)(gong)(gong)帶經(jing)編(bian)粘焊格(ge)(ge)(ge)柵(zha)(zha)、玻璃纖維經(jing)編(bian)土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha)和(he)經(jing)編(bian)滌綸土(tu)(tu)工(gong)(gong)(gong)格(ge)(ge)(ge)柵(zha)(zha)等共五(wu)大類。其中:
① 塑(su)料拉伸土工格柵:以高密度聚乙烯(HDPE)或聚丙烯(PP)為主要原料,經(jing)塑(su)(su)化(hua)擠出(chu)、沖孔(kong)、拉(la)(la)(la)伸(shen)(shen)而成的平面網狀結構(gou)的塑(su)(su)料土(tu)工格(ge)柵。按拉(la)(la)(la)伸(shen)(shen)方向分為單向拉(la)(la)(la)伸(shen)(shen)塑(su)(su)料土(tu)工格(ge)柵和(he)雙向拉(la)(la)(la)伸(shen)(shen)塑(su)(su)料土(tu)工格(ge)柵。執行標準GB/T 17689-2008。
② 反濾(lv)復合(he)型土工格柵:將非織造土工(gong)織物與塑(su)料拉伸土工(gong)格(ge)柵通過熱熔復合技術(shu)形成復合型整體產品。
③ 鋼塑復(fu)合土工格柵:以高強鋼絲(或其他纖維)為加(jia)(jia)筋芯(xin)(xin)材料,通過聚(ju)乙烯(PE)融熔擠出包覆(fu)加(jia)(jia)筋芯(xin)(xin)材料形成復合型(xing)加(jia)(jia)筋土工帶,且表面有粗(cu)糙壓紋,經縱、橫按一定(ding)間距經編排(pai)列,采(cai)用(yong)超聲波粘焊技術焊接其交接點(dian)而成型(xing)。
④ 玻璃纖維土工格柵(zha):以(yi)玻璃(li)纖維為材(cai)質,采(cai)用編(bian)織工藝(yi)制成(cheng)(cheng)的(de)網狀結(jie)構材(cai)料,再(zai)經過特(te)殊的(de)涂(tu)復處理工藝(yi)而成(cheng)(cheng)的(de)土工復合材(cai)料。執行標準GB/T 21825-2008。
⑤ 經編滌綸土工格柵(zha):采用高強度聚酯滌綸纖(xian)維長絲為原料,經緯向(xiang)定向(xiang)編織成網格坯布,涂覆聚氯乙(yi)烯(PVC)膠或丁苯(ben)膠乳加工(gong)成的平(ping)面網狀(zhuang)結構土工(gong)格柵。執行標準JT/T 480-2002。
⑥ 高(gao)強PP帶(dai)經編粘焊格柵:以聚(ju)丙烯樹脂為原料,經(jing)塑化擠出,牽引、熱(re)風拉(la)伸、壓花裝(zhuang)置(zhi)、冷卻定型制(zhi)成高強(qiang)PP土(tu)工帶,按一定的(de)網格(ge)尺寸,經緯(wei)交(jiao)織粘(zhan)焊(han)成整體(ti)方格(ge)網狀結(jie)構的(de)產品。按縱(zong)、橫向加筋帶(dai)的排(pai)列方式分(fen)為矩形(xing)高強PP帶(dai)經編(bian)粘焊土工(gong)格柵和異型高強PP帶(dai)經編(bian)粘焊土工(gong)格柵。執行標準JT/T 480-2002。