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包塑石籠網沉排操作與石籠網內部填料注意事項
1:石籠網沉(chen)排(pai)操作,首先(xian)是將用鐵絲(si)編織而成的石籠網沉(chen)排(pai)。也可(ke)以加上電鍍(du)和涂上PVC(聚(ju)氯乙烯),PVC石籠網沉(chen)排(pai)也可(ke)用作護岸和趾部防護。
2:石(shi)籠(long)(long)(long)網(wang)(wang)箱(xiang)(箱(xiang)形(xing)(xing)石(shi)籠(long)(long)(long))。石(shi)籠(long)(long)(long)網(wang)(wang)是(shi)(shi)使填石(shi)固(gu)定就位(wei)的(de)(de)鐵絲(si)或聚合物絲(si)的(de)(de)網(wang)(wang)格(ge)(ge)式制作物。鐵絲(si)籠(long)(long)(long)是(shi)(shi)由鐵絲(si)編(bian)織的(de)(de)網(wang)(wang)格(ge)(ge)或是(shi)(shi)焊(han)接而成(cheng)的(de)(de)結(jie)構物。這(zhe)兩種結(jie)構可(ke)以是(shi)(shi)電鍍(du)的(de)(de),編(bian)織的(de)(de)鐵絲(si)箱(xiang)可(ke)另外涂上PVC。編(bian)成(cheng)網(wang)(wang)格(ge)(ge)的(de)(de)石(shi)籠(long)(long)(long)比(bi)焊(han)接的(de)(de)石(shi)籠(long)(long)(long)柔(rou)性更大(da),因(yin)此適應(ying)沉陷和(he)荷載的(de)(de)性能是(shi)(shi)不同的(de)(de),盡(jin)管填裝(zhuang)石(shi)材料(liao)要仔細以保證將石(shi)塊填的(de)(de)很密實(shi),但有時認為剛性石(shi)箱(xiang)比(bi)較(jiao)容易填裝(zhuang)、對于非標準形(xing)(xing)狀、例如轉彎處(chu),或者可(ke)以產生大(da)的(de)(de)沉陷的(de)(de)地方,當編(bian)織鐵絲(si)或聚合物格(ge)(ge)形(xing)(xing)結(jie)構發(fa)生變形(xing)(xing),而不損(sun)失(shi)強度時,寧愿選用(yong)這(zhe)類(lei)結(jie)構。
3:將(jiang)石(shi)(shi)(shi)(shi)籠(long)(long)網(wang)(wang)(wang)內部(bu)填(tian)料(liao),用抗風化的(de)(de)(de)堅硬石(shi)(shi)(shi)(shi)塊作(zuo)填(tian)料(liao),它在石(shi)(shi)(shi)(shi)箱或石(shi)(shi)(shi)(shi)籠(long)(long)沉排中不(bu)會因(yin)磨(mo)蝕而很(hen)快破碎。裝有不(bu)同(tong)類(lei)型(xing)(xing)的(de)(de)(de)塊石(shi)(shi)(shi)(shi)的(de)(de)(de)石(shi)(shi)(shi)(shi)籠(long)(long)網(wang)(wang)(wang)有不(bu)同(tong)的(de)(de)(de)特性。多角的(de)(de)(de)塊石(shi)(shi)(shi)(shi)能相互很(hen)好地聯鎖在一(yi)起,用其填(tian)裝的(de)(de)(de)石(shi)(shi)(shi)(shi)籠(long)(long)不(bu)易變形(xing)。因(yin)此(ci),用在抗剪切的(de)(de)(de)大型(xing)(xing)擋(dang)土(tu)墻中,它比圓形(xing)石(shi)(shi)(shi)(shi)頭(tou)更有效,另一(yi)面,它有利(li)于(yu)(yu)石(shi)(shi)(shi)(shi)籠(long)(long)的(de)(de)(de)連(lian)接。填(tian)料(liao)的(de)(de)(de)一(yi)般尺(chi)寸(cun)(cun)(cun)為平均網(wang)(wang)(wang)格(ge)尺(chi)寸(cun)(cun)(cun)的(de)(de)(de)1.5倍(bei)。單個(ge)塊石(shi)(shi)(shi)(shi)不(bu)小于(yu)(yu)標準網(wang)(wang)(wang)格(ge)尺(chi)寸(cun)(cun)(cun)(通常所(suo)用的(de)(de)(de)編織石(shi)(shi)(shi)(shi)籠(long)(long)尺(chi)寸(cun)(cun)(cun)為(60mmX80mm~100mmX120mm),一(yi)般不(bu)大于(yu)(yu)200mm標準尺(chi)寸(cun)(cun)(cun)。對填(tian)置于(yu)(yu)遠離石(shi)(shi)(shi)(shi)籠(long)(long)外表而處于(yu)(yu)內部(bu)的(de)(de)(de)塊石(shi)(shi)(shi)(shi)來說,有時(shi)可放寬最(zui)小塊石(shi)(shi)(shi)(shi)尺(chi)寸(cun)(cun)(cun)的(de)(de)(de)要求(qiu)。
4:內部的(de)(de)填(tian)(tian)裝(zhuang)。機械填(tian)(tian)裝(zhuang)一(yi)般較快且(qie)便宜,但并不如手工填(tian)(tian)裝(zhuang)好(hao)控(kong)制。對于(yu)修飾(shi)的(de)(de)擋土墻來說(shuo),應(ying)產生(sheng)較好(hao)的(de)(de)外觀,并形(xing)成密實的(de)(de)結構。采(cai)用這兩種方法時(shi),填(tian)(tian)料必(bi)須完(wan)全填(tian)(tian)滿(man)石籠網。填(tian)(tian)料必(bi)須很(hen)好(hao)地(di)填(tian)(tian)裝(zhuang)以(yi)(yi)盡(jin)(jin)量減小空隙(xi),單(dan)塊(kuai)石塊(kuai)之間(jian)接(jie)觸(chu)良好(hao),盡(jin)(jin)可(ke)能地(di)填(tian)(tian)緊(jin),減少石籠里的(de)(de)石料移(yi)動的(de)(de)可(ke)能性。填(tian)(tian)料尺寸屬于(yu)正常范圍時(shi),多角的(de)(de)和圓形(xing)的(de)(de)石塊(kuai)都可(ke)以(yi)(yi)裝(zhuang)的(de)(de)緊(jin)密,另可(ke)加(jia)些土。