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112023-05
孔目湖闸左岸土工格栅抛投后迎水面最大沉降 根(gen)据(ju)对传(chuan)(chuan)统(tong)草土(tu)埽进(jin)占丁坝控(kong)导(dao)工(gong)程(cheng)长期运行过程(cheng)的监(jian)测(ce)发现(xian),坝顶存在不(bu)同程(cheng)度沉(chen)降,坝头(tou)沉(chen)降最大达(da)到1m,究其原因看出(chu),传(chuan)(chuan)统(tong)草土(tu)埽进(jin)占情况(kuang)下,埽体(ti)结构长期位(wei)于水(shui)下,受到河(he)水(shui)浸泡腐(fu)蚀的可(ke)能性非常大,进(jin)而引(yin)发坝体(ti)不(bu)均匀(yun)沉(chen)降,且临近...
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062023-05
土工格栅填充五步法,莫再失误! 考虑到单向(xiang)土(tu)(tu)(tu)(tu)工格栅进占(zhan)(zhan)和双(shuang)向(xiang)土(tu)(tu)(tu)(tu)工格栅进占(zhan)(zhan)均采用人(ren)工填装(zhuang)小(xiao)编织袋的(de)方法,人(ren)工成本高,装(zhuang)填及施工效(xiao)率(lv)低,进占(zhan)(zhan)施工进度(du)缓(huan)慢(man),故孔(kong)目湖左岸填土(tu)(tu)(tu)(tu)中土(tu)(tu)(tu)(tu)工格栅施工采用机械装(zhuang)土(tu)(tu)(tu)(tu)方式,提升进占(zhan)(zhan)施工工效(xiao)。 孔(kong)目湖闸...
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062023-05
细节决定成败!土工格栅为你的建筑工程保驾护航! 土工(gong)格(ge)栅(zha)是当(dang)前水利(li)、建筑工(gong)程(cheng)施工(gong)中应(ying)(ying)用日(ri)益广泛的新型(xing)材料(liao),常(chang)见的土工(gong)格(ge)栅(zha)属于二维(wei)网状或三(san)维(wei)立体(ti)(ti)塑(su)(su)料(liao)屏(ping)栅(zha),一般由聚(ju)氯乙烯或聚(ju)丙烯高分子(zi)聚(ju)合物模压或热塑(su)(su)而成,具备(bei)良好(hao)的应(ying)(ying)力分散及(ji)加筋补强作用。1 作用机理(li)具体(ti)(ti)而言,土工(gong)格(ge)栅(zha)抗...
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052023-05
轻松解读:土工膜在不同垫层下的结合度随压强的变化! 不同垫(dian)层材(cai)料下土工膜(mo)(mo)面(mian)积应变(bian)随(sui)压(ya)强(qiang)变(bian)化(hua)规律(lv),相(xiang)同垫(dian)层材(cai)料时,随(sui)着压(ya)强(qiang)的(de)增加(jia),土工膜(mo)(mo)的(de)面(mian)积应变(bian)呈先增大后(hou)逐(zhu)渐稳定(ding)的(de)变(bian)化(hua)特征,当采用碎石垫(dian)层时,压(ya)强(qiang)在0.7~1MPa逐(zhu)渐增大,压(ya)强(qiang)超(chao)过(guo)1MPa后(hou),面(mian)积应变(bian)不再随(sui)压(ya)强(qiang)变(bian)化(hua),保持...
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052023-05
别再为防渗问题烦恼了!用这种土工膜,管用!? 土工膜(mo)(mo):最常用的防(fang)渗土工膜(mo)(mo)包括HDPE和PVC,但HDPE土工膜(mo)(mo)柔软(ruan)性(xing)较差,弹性(xing)极限延伸率<15%,不(bu)适用于(yu)差异位(wei)(wei)移变(bian)形较大的位(wei)(wei)置;PVC弹性(xing)极限延伸率>20%,适应(ying)变(bian)形的能(neng)力强,柔软(ruan)性(xing)能(neng)好,易施工,抗损伤性(xing)...
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042023-05
土工膜防渗不是万能的,堆石坝的应用受限! 堆(dui)石(shi)坝充分利用(yong)(yong)了当(dang)地(di)材料,可(ke)适应不同的地(di)质条件,施(shi)工(gong)(gong)(gong)简便、抗震性能(neng)优(you)越,在水(shui)力水(shui)电工(gong)(gong)(gong)程中应用(yong)(yong)较为(wei)广泛(fan)。堆(dui)石(shi)坝中采用(yong)(yong)土工(gong)(gong)(gong)膜(mo)作(zuo)为(wei)防渗(shen)主体的面膜(mo)防渗(shen)结(jie)构(gou),具有施(shi)工(gong)(gong)(gong)简便、经济效(xiao)益好、适应变形(xing)能(neng)力强(qiang)等优(you)点。国内(nei)利用(yong)(yong)土工(gong)(gong)(gong)膜(mo)作(zuo)为(wei)堆(dui)石(shi)坝...



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