現在在河道治理方面下,石籠網的作用越來越大,但是我們在施工初期,一些步驟一定要做好,下面一起來了解下石籠網安裝的正確步驟吧!石籠網在安裝時(shi)應將(jiang)(jiang)石籠(long)網(wang)錯縫擺(bai)設(she)就位,避免出現縱向貫通縫;即將(jiang)(jiang)石籠(long)網(wang)四(si)邊立(li)起,用(yong)綁線將(jiang)(jiang)相(xiang)鄰邊沿鎖緊。

綁緊(jin)時(shi)將(jiang)綁線(xian)圍繞(rao)兩條(tiao)重合(he)的(de)框(kuang)(kuang)線(xian)(縫合(he)邊棱時(shi))或框(kuang)(kuang)線(xian)與網籠(long)(long)的(de)雙扭結(jie)邊,要避免鍍鋅(xin)損傷,螺距(ju)不大于500mm.當在已完成的(de)底層網上上面安裝(zhuang)石(shi)(shi)籠(long)(long)網時(shi),應用綁線(xian)沿新裝(zhuang)鍍鋅(xin)石(shi)(shi)籠(long)(long)網下部(bu)邊框(kuang)(kuang)將(jiang)其固(gu)定(ding)在底層的(de)石(shi)(shi)籠(long)(long)網上,同一(yi)層相鄰(lin)的(de)石(shi)(shi)籠(long)(long)網也應用綁線(xian)相互系牢,使(shi)鍍鋅(xin)石(shi)(shi)籠(long)(long)網連為一(yi)體。
在某(mou)單元工(gong)程的同一水平層施工(gong)時(shi),應(ying)將石(shi)(shi)籠(long)網(wang)箱全部就位(wei)后才開(kai)始(shi)填(tian)充卵石(shi)(shi),為防止石(shi)(shi)籠(long)網(wang)箱變形,相鄰兩個石(shi)(shi)籠(long)網(wang)的填(tian)石(shi)(shi)高度(du)差(cha)不應(ying)大于35厘米;石(shi)(shi)籠(long)網(wang)安裝(zhuang)前(qian)的準備工(gong)作,在安裝(zhuang)前(qian)應(ying)適當修整岸(an)坡(po)與地面,并盡可能保持岸(an)坡(po)原有形狀,但不應(ying)有明顯(xian)的隆(long)起和(he)凹陷。
石籠網箱內填(tian)(tian)充的石頭可在(zai)河灘(tan)上(shang)選取,其(qi)抗(kang)壓強(qiang)度(du)應滿(man)足設(she)計(ji)要求,卵(luan)石粒徑應在(zai)8-20厘米之間(jian),并要求大(da)小搭配(pei)合理已達到(dao)設(she)計(ji)要求的空隙度(du)和(he)保(bao)證石籠網(wang)箱的直線(xian)外形;內部填(tian)(tian)滿(man)石料后即將(jiang)頂蓋蓋下(xia),然后用綁線(xian)將(jiang)重(zhong)合的框線(xian)螺(luo)旋狀扭緊;螺(luo)距不應大(da)于50mm;在(zai)砌筑(zhu)好的石籠網(wang)擋土(tu)(tu)墻(qiang)上(shang)部填(tian)(tian)充10到(dao)15cm的腐殖土(tu)(tu),以(yi)便植被生長。