Movable water interception method for spraying water of well cylinders and well walls and movable water interception trough

Abstract

The invention discloses a movable water interception method for spraying water of well cylinders and well walls and a movable water interception trough. The method comprises the following steps: adopting an annular main body matched with the inner sides of a well cylinder and a well wall as a supporting body; installing an annularly distributed inflation air bag between the outer edge of the annular main body and the inner side of the well wall; fixing the annular main body on the inner side of the well wall when the inflation air bag is inflated; installing an annularly distributed water stopplate on the upper part of the annular main body; forming a water containing trough together by the water stop plate, the inner side of the well wall, the inflation air bag and the annular main bodywhen the inflation air bag is inflated and expanded; using the water containing trough for receiving the spraying water of the well wall; and draining the spraying water by a draining outlet arrangedon the water containing trough. The well wall is provided with an annular water body containing device, thereby effectively carrying and guiding the spraying water of the well wall. The method has theadvantages of convenient installation and use, repeated use and good water interception effect, saves installation time and does not damage the constructed well wall.

Description

technical field [0001] The invention belongs to the bearing and diversion technology of water spraying on the wellbore wall during shaft construction, and in particular relates to a movement of water spraying on the wellbore wall for preventing water from entering the formwork and affecting the quality of the shaft wall during the shaft construction process. Water interception method and movable water interception tank. Background technique [0002] The intercepting trough has been widely used in the process of excavating the shaft to intercept the spraying water on the well wall, so as to ensure the forming quality of the well wall, improve the quality of the well wall and reduce the loss of cement slurry. In the well sinking construction, for the well wall with large water spraying, the intercepting groove with water interception function plays a key role in ensuring the quality of the well wall. The comprehensive benefits of sinking construction are very important. [0...

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Problems solved by technology

[0003] At present, most of the water intercepting grooves widely used are well wall plug-in type, that is, the steel plate is directly inserted into the concrete well wall after construction. The plug-in water intercepting groove is difficult to install, and it is not easy to enter the concrete well wall. During the excavation process, the upper cut-off groove needs to be dismantled, which not only affects the construction period, but also the well wall is damaged and needs to be repaired after the wellbore construction is completed.

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