生態袋非常適合應用(yong)在(zai)嚴峻鹽堿地(di)段、無土(tu)屋頂等無法種(zhong)(zhong)植(zhi)(zhi)(zhi)(zhi)和移(yi)植(zhi)(zhi)(zhi)(zhi)草坪的(de)(de)(de)地(di)段施(shi)工。今天講下生(sheng)態(tai)袋(dai)在(zai)施(shi)工中掌握的(de)(de)(de)幾個要點:利用(yong)邊(bian)坡巖(yan)面本(ben)身的(de)(de)(de)凹陷處,在(zai)凹陷處下部采用(yong)植(zhi)(zhi)(zhi)(zhi)生(sheng)袋(dai)圍(wei)堰,圍(wei)堰內填士,種(zhong)(zhong)植(zhi)(zhi)(zhi)(zhi)灌木為主,植(zhi)(zhi)(zhi)(zhi)生(sheng)袋(dai)內裝人按一(yi)定比(bi)例配制的(de)(de)(de)耕(geng)植(zhi)(zhi)(zhi)(zhi)土(tu)、有機基質、保(bao)水劑、肥料。或在(zai)坡面外(wai)側直接用(yong)生(sheng)態(tai)袋(dai)梯形疊砌,形成一(yi)層(ceng)植(zhi)(zhi)(zhi)(zhi)生(sheng)袋(dai)面層(ceng),通過該植(zhi)(zhi)(zhi)(zhi)生(sheng)袋(dai)內種(zhong)(zhong)子的(de)(de)(de)生(sheng)長來綠(lv)化邊(bian)坡。若角(jiao)度(du)較陡,后邊(bian)坡又較松軟不穩定,則建(jian)造(zao)高(gao)度(du)相(xiang)對低一(yi)些,在(zai)結合其他邊(bian)坡治理加固(gu)措施(shi)后也可以建(jian)造(zao)的(de)(de)(de)比(bi)較高(gao),例如土(tu)工格柵、框架梁等。
鋪設(she)前將功(gong)課面澆(jiao)足(zu)澆(jiao)透水(shui),每鋪設(she)一(yi)塊(kuai),固定后再澆(jiao)水(shui)保(bao)持(chi)袋(dai)中基(ji)質(zhi)潮濕(shi)。在(zai)(zai)施工(gong)(gong)完成(cheng)(cheng)后,隨即進行養護治理(li),并根據施工(gong)(gong)地區(qu)的(de)天(tian)氣(qi)特點制定了養護方案,在(zai)(zai)植(zhi)物(wu)(wu)種子處(chu)于(yu)萌發與植(zhi)物(wu)(wu)幼苗階段,特別注重保(bao)持(chi)濕(shi)度和平衡養分。在(zai)(zai)植(zhi)被成(cheng)(cheng)坪后加強對植(zhi)物(wu)(wu)抗逆性的(de)鍛(duan)煉,逐漸減少澆(jiao)水(shui)、施肥次(ci)數,促進深根性的(de)灌木生長。
土(tu)工(gong)(gong)格柵和(he)生(sheng)態袋之間用工(gong)(gong)程(cheng)扣連接。以生(sheng)態袋系統為(wei)擋土(tu)墻面(mian)板(ban)與(yu)土(tu)工(gong)(gong)格柵、回填壓實土(tu)共同構(gou)建加筋擋土(tu)墻,滿足工(gong)(gong)程(cheng)結(jie)構(gou)強度(du)的需(xu)要,提高了工(gong)(gong)程(cheng)的穩定性安(an)全性。
生(sheng)(sheng)(sheng)態(tai)袋(dai)為永(yong)久的(de)(de)植被綠化提供理想的(de)(de)播種模(mo)塊(kuai)。這些袋(dai)子(zi)具有透(tou)水(shui)不(bu)透(tou)土的(de)(de)過濾功能,而且對植物(wu)根系友好(hao)。每個袋(dai)子(zi)表面積(ji)會因袋(dai)子(zi)填(tian)充物(wu)的(de)(de)多(duo)少(shao)而變(bian)化。生(sheng)(sheng)(sheng)態(tai)袋(dai)選用(yong)高(gao)(gao)質(zhi)量的(de)(de)環保材(cai)料(liao)(liao),易于植物(wu)生(sheng)(sheng)(sheng)長,產品永(yong)不(bu)降解、抗老化、抗紫外線(xian)、無(wu)毒、百(bai)分之百(bai)可回收,使用(yong)壽命長達70年的(de)(de)高(gao)(gao)科技材(cai)料(liao)(liao)制成的(de)(de)護坡材(cai)料(liao)(liao)。主(zhu)要(yao)特點是:
①、它允(yun)許水從袋體滲出(chu),從而減小袋體的(de)靜水壓(ya)力。
②、它(ta)不(bu)允許袋(dai)中土壤(rang)瀉出袋(dai)外,達(da)到了水土保持的目的,成為(wei)植被賴以生(sheng)存的介(jie)質。
③、袋體柔軟(ruan),整體性好
生(sheng)(sheng)(sheng)(sheng)(sheng)態(tai)袋護(hu)坡(po)系統(tong)(tong)通過將裝滿植物(wu)生(sheng)(sheng)(sheng)(sheng)(sheng)長(chang)基質的(de)(de)生(sheng)(sheng)(sheng)(sheng)(sheng)態(tai)袋沿邊(bian)(bian)(bian)坡(po)表(biao)面(mian)層(ceng)層(ceng)堆疊(die)(die)的(de)(de)方式在邊(bian)(bian)(bian)坡(po)表(biao)面(mian)形成一(yi)層(ceng)適宜植物(wu)生(sheng)(sheng)(sheng)(sheng)(sheng)長(chang)的(de)(de)環境(jing),同(tong)時通過專利(li)的(de)(de)連接配件將袋與(yu)袋之(zhi)(zhi)(zhi)間,層(ceng)與(yu)層(ceng)之(zhi)(zhi)(zhi)間,生(sheng)(sheng)(sheng)(sheng)(sheng)態(tai)袋與(yu)邊(bian)(bian)(bian)坡(po)表(biao)面(mian)之(zhi)(zhi)(zhi)間完全緊密的(de)(de)結合起來,達(da)(da)到(dao)牢(lao)固的(de)(de)護(hu)坡(po)作用(yong),同(tong)時隨之(zhi)(zhi)(zhi)植物(wu)在其上的(de)(de)生(sheng)(sheng)(sheng)(sheng)(sheng)長(chang),進(jin)一(yi)步的(de)(de)將邊(bian)(bian)(bian)坡(po)固定然后在堆疊(die)(die)好的(de)(de)袋面(mian)采(cai)用(yong)綠化手段(duan)播種(zhong)或栽(zai)植植物(wu),達(da)(da)到(dao)恢(hui)復植被(bei)(bei)的(de)(de)目的(de)(de)。由于采(cai)用(yong)生(sheng)(sheng)(sheng)(sheng)(sheng)態(tai)袋護(hu)坡(po)系統(tong)(tong)所創造的(de)(de)邊(bian)(bian)(bian)坡(po)表(biao)面(mian)生(sheng)(sheng)(sheng)(sheng)(sheng)長(chang)環境(jing)較(jiao)好(可達(da)(da)到(dao)30-40cm厚(hou)的(de)(de)土層(ceng)),草本植物(wu)、小型(xing)灌木,甚(shen)至(zhi)一(yi)些小喬木都(dou)可以(yi)非常(chang)良(liang)好的(de)(de)生(sheng)(sheng)(sheng)(sheng)(sheng)長(chang),能(neng)夠形成茂盛的(de)(de)植被(bei)(bei)效果。近年被(bei)(bei)廣泛應用(yong)于各種(zhong)惡劣情況下(xia)的(de)(de)邊(bian)(bian)(bian)坡(po)防護(hu)施工以(yi)及其他一(yi)些防護(hu)和生(sheng)(sheng)(sheng)(sheng)(sheng)態(tai)修復領(ling)域