形(xing)式和分(fen)類
1、土工格柵按制造方法不同,分為拉伸(shen)塑(su)料(liao)土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha)(單(dan)向拉伸(shen)塑(su)料(liao)土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha)和(he)雙向拉伸(shen)塑(su)料(liao)土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha))、復(fu)合反濾型土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha)、鋼塑(su)復(fu)合土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha)、高強PP土(tu)工(gong)(gong)(gong)帶經(jing)編(bian)粘焊格(ge)柵(zha)(zha)(zha)(zha)(zha)、玻璃纖維(wei)經(jing)編(bian)土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha)和(he)經(jing)編(bian)滌綸土(tu)工(gong)(gong)(gong)格(ge)柵(zha)(zha)(zha)(zha)(zha)等共(gong)五(wu)大(da)類。其中:
① :以高密(mi)度聚乙烯(HDPE)或聚丙烯(PP)為主要原料,經塑化擠出、沖孔、拉(la)伸而成(cheng)的(de)(de)平面網狀(zhuang)結構的(de)(de)塑料土工格柵。按拉(la)伸方向分為單向拉(la)伸塑料土工格柵和雙向拉(la)伸塑料土工格柵。執行標準GB/T 17689-2008。
② :將非織(zhi)造土工織(zhi)物與塑料拉伸土工格柵通過熱(re)熔復合技術形成復合型整體(ti)產品。
③ :以(yi)高強鋼絲(或其(qi)他纖維(wei))為加(jia)筋(jin)芯材(cai)料,通過聚乙烯(PE)融熔擠出包覆(fu)加(jia)筋(jin)芯材(cai)料形成(cheng)復合型加(jia)筋(jin)土工帶,且表面有粗糙壓紋,經(jing)縱、橫(heng)按一定間距經(jing)編排列,采用(yong)超聲波粘焊技術焊接其(qi)交接點而成(cheng)型。
④ 玻璃纖維(wei)土工格柵:以玻(bo)璃纖維為材(cai)質,采用(yong)編(bian)織工(gong)(gong)藝(yi)制成(cheng)的(de)網狀(zhuang)結構材(cai)料,再經過特(te)殊的(de)涂復處理工(gong)(gong)藝(yi)而(er)成(cheng)的(de)土工(gong)(gong)復合材(cai)料。執(zhi)行標準(zhun)GB/T 21825-2008。
⑤ 經編滌綸土工(gong)格柵(zha):采用(yong)高(gao)強(qiang)度聚酯滌綸纖維長(chang)絲為原料,經緯向定(ding)向編織成(cheng)網格(ge)坯布(bu),涂覆聚氯乙烯(xi)(PVC)膠或丁苯膠乳加工(gong)成的(de)平(ping)面網狀結(jie)構土工(gong)格柵。執行標準JT/T 480-2002。
⑥ 高強PP帶(dai)經編粘焊格(ge)柵:以聚丙(bing)烯樹脂為原(yuan)料,經塑化擠出,牽引、熱(re)風拉伸、壓花裝置、冷卻(que)定型制(zhi)成(cheng)高(gao)強PP土工帶,按一定的網格(ge)尺寸,經緯交織粘焊(han)成(cheng)整體(ti)方(fang)格(ge)網狀(zhuang)結構的產品。按縱、橫(heng)向加筋帶的(de)排列方式(shi)分為(wei)矩形高強PP帶經(jing)編粘(zhan)焊(han)土(tu)工格(ge)柵(zha)和異型高強PP帶經(jing)編粘(zhan)焊(han)土(tu)工格(ge)柵(zha)。執行標準JT/T 480-2002。