Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for anti-floating anchor rod in Xigeda group silty-fine sand
The invention relates to a construction method for an anti-floating anchor rod in Xigeda group silty-fine sand, which comprises the following steps that S1, holes are formed, a drilling tool is used as a sleeve and used for central positioning, and the spacing distance of the formed holes is three times of the horizontal distance between hole sites of the anti-floating anchor rod under the action of hydraulic vibration; s2, an anchor rod is placed, and after the hole is formed to the designed depth, the machined anchor rod is hoisted into a drilling tool; s3, grouting and pipe drawing are conducted, specifically, cement slurry is injected into a drilling tool from bottom to top through a grouting pipe in the anchor rod, when the cement slurry level is flush with the ground, the drilling tool starts to be pulled out upwards at a constant speed, after the drilling tool is completely pulled out, hole bottom grouting continues, meanwhile, fine-grained pebbles are added, surface water overflows from a hole, and continuous grouting is stopped after the water overflows completely; and S4, testing: after the slurry strength of the anti-floating anchor rod reaches the design strength, carrying out an acceptance test. The problems of hole forming and grouting in Xigeda-like group silty-fine sand are solved, energy conservation and environmental protection can be achieved, the hole forming quality and the grouting quality can be guaranteed, and finally the construction quality and the engineering quality of the anti-floating anchor rod are guaranteed.
本发明及一种用于昔格达组粉细砂中抗浮锚杆的施工方法，包括以下步骤：S1、成孔，兼做套管和居中定位的钻具，在液压振动作用下，成孔间隔距离为三倍抗浮锚杆孔位之间的水平距离；S2、放置锚杆，成孔到设计深度后，将加工好的锚杆吊入钻具中；S3、注浆和拔管，在钻具内从下往上通过锚杆中的注浆管注水泥浆，待水泥浆液面与地面持平时，开始匀速向上拔出钻具，待钻具全部拔出后继续孔底注浆，同时加入细粒卵石，使表层水从孔内溢出，待水完全溢出后停止持续注浆；S4、试验，待抗浮锚杆浆体强度达到设计强度后，进行验收试验。解决类昔格达组粉细砂中成孔和灌浆的问题，既能节能环保，又能保证成孔质量及灌浆质量，最终保证抗浮锚杆施工质量和工程质量。
Construction method for anti-floating anchor rod in Xigeda group silty-fine sand
The invention relates to a construction method for an anti-floating anchor rod in Xigeda group silty-fine sand, which comprises the following steps that S1, holes are formed, a drilling tool is used as a sleeve and used for central positioning, and the spacing distance of the formed holes is three times of the horizontal distance between hole sites of the anti-floating anchor rod under the action of hydraulic vibration; s2, an anchor rod is placed, and after the hole is formed to the designed depth, the machined anchor rod is hoisted into a drilling tool; s3, grouting and pipe drawing are conducted, specifically, cement slurry is injected into a drilling tool from bottom to top through a grouting pipe in the anchor rod, when the cement slurry level is flush with the ground, the drilling tool starts to be pulled out upwards at a constant speed, after the drilling tool is completely pulled out, hole bottom grouting continues, meanwhile, fine-grained pebbles are added, surface water overflows from a hole, and continuous grouting is stopped after the water overflows completely; and S4, testing: after the slurry strength of the anti-floating anchor rod reaches the design strength, carrying out an acceptance test. The problems of hole forming and grouting in Xigeda-like group silty-fine sand are solved, energy conservation and environmental protection can be achieved, the hole forming quality and the grouting quality can be guaranteed, and finally the construction quality and the engineering quality of the anti-floating anchor rod are guaranteed.
本发明及一种用于昔格达组粉细砂中抗浮锚杆的施工方法，包括以下步骤：S1、成孔，兼做套管和居中定位的钻具，在液压振动作用下，成孔间隔距离为三倍抗浮锚杆孔位之间的水平距离；S2、放置锚杆，成孔到设计深度后，将加工好的锚杆吊入钻具中；S3、注浆和拔管，在钻具内从下往上通过锚杆中的注浆管注水泥浆，待水泥浆液面与地面持平时，开始匀速向上拔出钻具，待钻具全部拔出后继续孔底注浆，同时加入细粒卵石，使表层水从孔内溢出，待水完全溢出后停止持续注浆；S4、试验，待抗浮锚杆浆体强度达到设计强度后，进行验收试验。解决类昔格达组粉细砂中成孔和灌浆的问题，既能节能环保，又能保证成孔质量及灌浆质量，最终保证抗浮锚杆施工质量和工程质量。
Construction method for anti-floating anchor rod in Xigeda group silty-fine sand
一种用于昔格达组粉细砂中抗浮锚杆的施工方法
ZHANG LIANGQUAN (Autor:in) / XIA YU (Autor:in) / YUAN XING (Autor:in) / CHEN CHAOZHENG (Autor:in) / FU YUANKUI (Autor:in) / WU WENPENG (Autor:in) / WEI YANWU (Autor:in) / YUAN SHOUWEN (Autor:in) / LI PAN (Autor:in) / ZENG YONGSHENG (Autor:in)
07.06.2024
Patent
Elektronische Ressource
Chinesisch
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