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路基增強雙向土工格柵與單向格柵區別雙向土工(gong)格柵:寬幅1米--6米,抗拉力15×15KN,20×20KN,25×25KN,30×30KN,40×40KN 單向塑(su)料(liao)格柵(zha): 其適用(yong)范圍(wei)如下所示: 1. 提(ti)高(gao)路(lu)基(ji)(ji),能夠有效地(di)分派蔓(man)延荷載(zai),提(ti)升路(lu)基(ji)(ji)的(de)(de)(de)穩定和(he)承載(zai)能力,增加(jia)使用(yong)期(qi)限(xian); 2. 能夠承受更多的(de)(de)(de)交(jiao)變(bian)載(zai)荷; 3. 避(bi)免路(lu)基(ji)(ji)原(yuan)材(cai)料(liao)外(wai)流所造成的(de)(de)(de)路(lu)基(ji)(ji)形(xing)變(bian)、裂開(kai); 4. 使擋墻后填土(tu)自承水(shui)平提(ti)高(gao),降低擋墻的(de)(de)(de)主(zhu)(zhu)動(dong)土(tu)壓(ya)力,節(jie)省(sheng)費用(yong),增加(jia)使用(yong)期(qi)限(xian),并(bing)減少維修費; 5. 融合(he)噴錨(mao)混(hun)泥土(tu)施(shi)(shi)工方(fang)式(shi)進行護(hu)坡維護(hu)保(bao)養(yang),不(bu)(bu)能節(jie)約30%—50%的(de)(de)(de)投(tou)入,而(er)且還(huan)能減少施(shi)(shi)工期(qi)一倍(bei)之上; 6. 在道路(lu)的(de)(de)(de)路(lu)基(ji)(ji)和(he)整體(ti)面層里加(jia)入鋼塑(su)格柵(zha),能夠降低彎沉值,降低瀝(li)青路(lu)面,延遲(chi)縫隙發生時(shi)(shi)長3—9倍(bei),可以減少固層薄厚達36%; 7. 主(zhu)(zhu)要(yao)適用(yong)于(yu)土(tu)壤(rang)層,不(bu)(bu)用(yong)外(wai)地(di)取樣,省(sheng)時(shi)(shi)省(sheng)時(shi)(shi)省(sheng)力; 8. 施(shi)(shi)工簡(jian)易便(bian)捷,可大幅(fu)度降低施(shi)(shi)工成本費。 單邊鋼(gang)(gang)塑(su)格(ge)(ge)(ge)柵的(de)(de)施(shi)工方式 一、當用以路基、地(di)面(mian)(mian)時(shi),基坑開挖基床,設定(ding)(ding)砂墊(dian)層(ceng)(落差(cha)不得(de)超過10cm),輾(zhan)壓成(cheng)服務平臺,鋪設格(ge)(ge)(ge)珊(shan),縱坐標向是(shi)與關鍵承受力方向一致(zhi),豎向鋼(gang)(gang)筋(jin)(jin)搭(da)接(jie)15-20cm,橫(heng)著10cm,鋼(gang)(gang)筋(jin)(jin)搭(da)接(jie)處(chu)要塑(su)料帶捆扎,并且在鋪設的(de)(de)格(ge)(ge)(ge)柵板上,每過1.5-2m用U型釘固定(ding)(ding)在路面(mian)(mian),鋪設的(de)(de)鋼(gang)(gang)塑(su)格(ge)(ge)(ge)柵需(xu)及時(shi)回填土料,鋪設的(de)(de)鋼(gang)(gang)塑(su)格(ge)(ge)(ge)柵疊加(jia)層(ceng)數(shu)視技術標準。 二、當用(yong)(yong)以加筋(jin)土(tu)擋墻(qiang)(qiang)(qiang)(qiang)時,施(shi)工(gong)派發如(ru)下(xia)(xia)所示: 1、設(she)定(ding)基本,按(an)定(ding)制的墻(qiang)(qiang)(qiang)(qiang)面(mian)(mian)系統實(shi)現施(shi)工(gong),入(ru)選(xuan)用(yong)(yong)裝配(pei)式混凝土(tu)結構控制面(mian)(mian)板(ban)時,一(yi)(yi)般厚(hou)12-15cm支(zhi)撐點在(zai)混凝土(tu)預制前提下(xia)(xia)。其間距不超過30cm,壁(bi)厚(hou)不低(di)于(yu)20cm,埋深(shen)不低(di)于(yu)60cm避免路基膨(peng)脹土(tu)危害(hai); 2、整(zheng)平墻(qiang)(qiang)(qiang)(qiang)基,按(an)設(she)計(ji)要(yao)(yao)點基坑(keng)開挖(wa)、整(zheng)平。軟(ruan)基處(chu)理(li)需夯實(shi)或回填,夯實(shi)到規定(ding)相對密度,應略超過墻(qiang)(qiang)(qiang)(qiang)面(mian)(mian)范疇; 3、筋(jin)材鋪設(she),筋(jin)材主抗壓強度方位應垂直在(zai)墻(qiang)(qiang)(qiang)(qiang)面(mian)(mian),以銷子固定(ding)不動; 4、墻(qiang)(qiang)(qiang)(qiang)面(mian)(mian)填土(tu),選(xuan)用(yong)(yong)機械設(she)備填土(tu),車轱轆與筋(jin)材之間的距離最少要(yao)(yao)保持15cm,夯實(shi)后一(yi)(yi)層土(tu)厚(hou)約15-20cm; 5、墻(qiang)(qiang)(qiang)(qiang)面(mian)(mian)施(shi)工(gong)時,墻(qiang)(qiang)(qiang)(qiang)面(mian)(mian)處(chu)應包土(tu)工(gong)布(bu),避免填土(tu)漏泄。 |