A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tailing pond overflow culvert anti-seepage method
The invention relates to an anti-leakage method for an overflow culvert of a tailing pond, which comprises the following steps of: drilling two rows of grouting holes near the front and back of a leakage or injection point of a concrete pouring joint of a culvert wall, and arranging each row of grouting holes in a plum blossom shape; a row of grouting holes located in front of a concrete pouring joint leakage or spraying point of the culvert wall are deep holes, and the depth of the deep holes ranges from 1 m to 2.5 m. A row of grouting holes located behind leakage or injection points of concrete pouring joints of the culvert wall are shallow holes, and the depth of the shallow holes is within the range of 0.5-1.5 m; an included angle of 65-75 degrees is formed between the axis of each grouting hole and the culvert wall, so that more permeable cracks in the tailing sand can be penetrated, and the effective diffusion radiuses of the grouting holes are intersected; cement and water glass double-liquid slurry is injected into each deep hole, and chemical slurry is injected into each shallow hole. According to the method, grouting is conducted behind the overflow culvert wall of the tailing pond, the culvert wall is effectively reinforced, silt is blocked behind the wall, culvert water seepage or silt spraying is well controlled, and normal use of the tailing pond is guaranteed.
本发明涉及一种尾矿库溢流涵洞防渗漏方法，尾矿库溢流涵洞防渗漏方法是在涵洞壁混凝土浇灌接缝渗漏或喷射点前后附近钻设两排注浆孔，每排注浆孔均呈“梅花”型布置，位于涵洞壁混凝土浇灌接缝渗漏或喷射点前面的一排注浆孔为深孔，深孔孔深在1~2.5m范围内；位于涵洞壁混凝土浇灌接缝渗漏或喷射点后面的一排注浆孔为浅孔，浅孔孔深在0.5~1.5m范围内；各个注浆孔的轴线与涵洞壁之间呈65°~75°夹角，以利多穿尾矿砂中透水裂隙，各个注浆孔的有效扩散半径相交；各深孔内均注入水泥水玻璃双液浆，各浅孔中均注入化学浆。本发明通过在尾矿库溢流涵洞壁的壁后注浆，有效加固了涵洞壁，将泥沙封堵于壁后，较好控制住了涵洞渗水或喷射泥沙，保证了尾矿库的正常使用。
Tailing pond overflow culvert anti-seepage method
The invention relates to an anti-leakage method for an overflow culvert of a tailing pond, which comprises the following steps of: drilling two rows of grouting holes near the front and back of a leakage or injection point of a concrete pouring joint of a culvert wall, and arranging each row of grouting holes in a plum blossom shape; a row of grouting holes located in front of a concrete pouring joint leakage or spraying point of the culvert wall are deep holes, and the depth of the deep holes ranges from 1 m to 2.5 m. A row of grouting holes located behind leakage or injection points of concrete pouring joints of the culvert wall are shallow holes, and the depth of the shallow holes is within the range of 0.5-1.5 m; an included angle of 65-75 degrees is formed between the axis of each grouting hole and the culvert wall, so that more permeable cracks in the tailing sand can be penetrated, and the effective diffusion radiuses of the grouting holes are intersected; cement and water glass double-liquid slurry is injected into each deep hole, and chemical slurry is injected into each shallow hole. According to the method, grouting is conducted behind the overflow culvert wall of the tailing pond, the culvert wall is effectively reinforced, silt is blocked behind the wall, culvert water seepage or silt spraying is well controlled, and normal use of the tailing pond is guaranteed.
本发明涉及一种尾矿库溢流涵洞防渗漏方法，尾矿库溢流涵洞防渗漏方法是在涵洞壁混凝土浇灌接缝渗漏或喷射点前后附近钻设两排注浆孔，每排注浆孔均呈“梅花”型布置，位于涵洞壁混凝土浇灌接缝渗漏或喷射点前面的一排注浆孔为深孔，深孔孔深在1~2.5m范围内；位于涵洞壁混凝土浇灌接缝渗漏或喷射点后面的一排注浆孔为浅孔，浅孔孔深在0.5~1.5m范围内；各个注浆孔的轴线与涵洞壁之间呈65°~75°夹角，以利多穿尾矿砂中透水裂隙，各个注浆孔的有效扩散半径相交；各深孔内均注入水泥水玻璃双液浆，各浅孔中均注入化学浆。本发明通过在尾矿库溢流涵洞壁的壁后注浆，有效加固了涵洞壁，将泥沙封堵于壁后，较好控制住了涵洞渗水或喷射泥沙，保证了尾矿库的正常使用。
Tailing pond overflow culvert anti-seepage method
一种尾矿库溢流涵洞防渗漏方法
XUE GUOPING (author) / MIAO HUA (author) / QIU HEXIANG (author) / HU BIN (author) / ZHAO WENBING (author) / FAN BAOWEI (author) / MIAO CHENDI (author) / GU ZHIWEI (author) / ZHAO WEI (author) / WEN QIFU (author)
2022-08-09
Patent
Electronic Resource
Chinese
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