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隧道钢花管的打孔技术要求

发布时间:2020-12-25 03:24:44         已有 人浏览

隧道钢花管,又称钢锚管,管棚管,锁脚锚管,注浆小导管,超前支护管。通过注浆技术将水泥浆液渗透渗出进钢花管周边的土体中,有效改善土体的物理力学性质,广泛应用于基坑临时边坡支护。常见的钢花管包括管体,管体上分布有若干个注浆孔,另外管体的一端直径逐渐减小使其呈锥形结构,同样在锥形结构的表面上也设置有注浆孔。

JUYAOQIUSUOSHUDEGANGHUAGUAN,QITEZHENGZAIYU:RUOGANGESUOSHUZHUJIANGKONGBICIJIAOCUOJULIPAILIEFENBUZAISUOSHUGUANTISHANG,NEIMEGANGHUAGUANDEDAKONGJISHURUHE?

1.ANZHUANGJIANDAN,CHENGTAOTIGONG;

2.可以在施工现场,根据接缝的实际需求长度截取注浆管(推荐最长的注浆出口长度不要超过6米);

3.BUXUYAOTESHUDEANZHUANGSHEBEI;

4.ZHUJIANGSHIJIANKEYIRENYIXUANZE;

5.DANGZAISHIDANGDEYALIZUOYONGXIAWANGNEIZHUJIANGSHI,QIJIANGZHUJIANGGUANYEKEYIBAOCHIJUNYUNDICHONGMANZHENGGEDEGUANZI;

6.XITONGRONGXUZAIXIANGDUIJIAODIYALIXIAZHUJIANG;ZHUJIANGYALIWEI0.2-0.4Mpa。

7.ANZHUANGBINGBUHUIYINGXIANGJIANZHUZHUJIANGGUANWUZISHENTEXING;

8.ANZHUANGHUOZHUJIANGGUOCHENGBINGBUHUIWEIHAIHUNNINGTU;

9.ZHUJIANGHOUKEYIQUEBAOYONGJIUMIFENG;

10.RUGUOBUSHENLOU,KEYIBUYAOZHUJIANG。

SUIDAOGANGHUAGUANDEDAKONGJISHUBAOKUOGUANTI,GUANTISHANGFENBUYOURUOGANGEZHUJIANGKONG,WEIYUGUANTIDEYIDUANWAISHEZHIYOUYUGUANTIJULISHEZHIQIEYUGUANTITONGZHOUDEXIANWEIHUANTI,XIANWEIHUANTIDEWAIJINGXIAOYUGUANTIDEWAIJING,XIANWEIHUANTITONGGUOLIANJIEJIANYUGUANTIGUDINGLIANJIEZAIYIQI,LIANJIEJIANYANGUANTIZHOUXIANFANGXIANGSHANGDETOUYINGWEIYUGUANTIYANQIZHOUXIANFANGXIANGSHANGDETOUYINGDEWAILUNKUOFANWEINEI。BENSHIYONGXINXINGJIEGOUJIANPO,ZAIZHUJIANGGUOCHENGZHONGBUYICONGTUTINEITUOLUO,JINERBUZAIDUIGUANTIJINXINGZHICHENGGUDING,JIANQINGLESHIGONGGONGRENDEGONGZUOLIANG。

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