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Grouting repair method for settlement of power tower foundation
A grouting repair method for settlement of a power tower foundation comprises the following steps that S1, calculated explosive with the safe dosage is packaged into an explosive package in advance for standby application; S2, a drilling device is used for drilling holes downwards in an inclined mode from multiple different directions of the ground position of the power tower foundation, the bottom ends of the holes are made to be located under the power tower foundation, and the drilling device is taken out; S3, blasting charges are placed in different positions in the drill hole for blasting, the blasting source expands and explodes to generate continuous blasting shock waves, and the soil is properly loosened and fractured in a large range; and S4, a grouting pipe is inserted into the exploded fluffy soil, grouting is conducted, after grout is hardened, a soil layer of the power tower foundation is reinforced and repaired, and the foundation is prevented from continuing to settle. The micro-explosion method is adopted for blasting the soil, the soil is fully loosened and broken, the grouting range of each time is widened, the number of grouting times is small, convenience and rapidness are achieved, and the time cost is saved.
一种电力塔基础沉降注浆修复方法，包括以下步骤：s1、将经过计算的安全用量的炸药预先封装成炸药包，以备使用；s2、用钻孔装置从电力塔基础的地面位置的多个不同方向倾斜向下钻孔，使孔的底端位于电力塔基础的正下方，取出钻孔装置；s3、将炸药包放入钻孔内不同位置，进行爆破，爆炸源膨胀爆炸产生连续爆炸冲击波，使土壤在大范围内产生适当的松动和破裂；s4、将注浆管插入爆破后蓬松的土壤中，进行注浆，浆液硬化后对电力塔基础的土层进行加固和修复，防止基础继续沉降。本发明采用微爆炸法对土壤进行爆破，是土壤进行充分的松动和破裂，提升每次的注浆范围，较少注浆次数，方便快捷，节约时间成本。
Grouting repair method for settlement of power tower foundation
A grouting repair method for settlement of a power tower foundation comprises the following steps that S1, calculated explosive with the safe dosage is packaged into an explosive package in advance for standby application; S2, a drilling device is used for drilling holes downwards in an inclined mode from multiple different directions of the ground position of the power tower foundation, the bottom ends of the holes are made to be located under the power tower foundation, and the drilling device is taken out; S3, blasting charges are placed in different positions in the drill hole for blasting, the blasting source expands and explodes to generate continuous blasting shock waves, and the soil is properly loosened and fractured in a large range; and S4, a grouting pipe is inserted into the exploded fluffy soil, grouting is conducted, after grout is hardened, a soil layer of the power tower foundation is reinforced and repaired, and the foundation is prevented from continuing to settle. The micro-explosion method is adopted for blasting the soil, the soil is fully loosened and broken, the grouting range of each time is widened, the number of grouting times is small, convenience and rapidness are achieved, and the time cost is saved.
一种电力塔基础沉降注浆修复方法，包括以下步骤：s1、将经过计算的安全用量的炸药预先封装成炸药包，以备使用；s2、用钻孔装置从电力塔基础的地面位置的多个不同方向倾斜向下钻孔，使孔的底端位于电力塔基础的正下方，取出钻孔装置；s3、将炸药包放入钻孔内不同位置，进行爆破，爆炸源膨胀爆炸产生连续爆炸冲击波，使土壤在大范围内产生适当的松动和破裂；s4、将注浆管插入爆破后蓬松的土壤中，进行注浆，浆液硬化后对电力塔基础的土层进行加固和修复，防止基础继续沉降。本发明采用微爆炸法对土壤进行爆破，是土壤进行充分的松动和破裂，提升每次的注浆范围，较少注浆次数，方便快捷，节约时间成本。
Grouting repair method for settlement of power tower foundation
电力塔基础沉降注浆修复方法
LIU HUIXIA (author) / WANG JIANFENG (author) / LIANG FENGKAI (author) / CHEN ERTAO (author) / LONG TENGYUN (author) / ZHANG XIAOHUI (author)
2022-02-18
Patent
Electronic Resource
Chinese
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