A kind of construction method of ground connection wall forming groove
A technology of trough construction and ground connection wall, which is applied in excavation, sheet pile wall, foundation structure engineering and other directions to achieve the effect of avoiding slow progress, controllable safety and quality, and simple process
Active Publication Date: 2020-12-18
CHINA RAILWAY 12TH BUREAU GRP +1
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Problems solved by technology
[0004] In order to overcome the deficiencies in the prior art, the present invention provides a construction method of "three grasps and nine holes and two grasps and five holes" to form a groove for the wall, which solves the problems of the progress and quality of the groove for the wall in the prior art
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[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0046] like Figure 1~Figure 9 The construction method of "three grasping nine holes and two grasping five holes" ground connection wall construction method is applicable to the construction of all ground connection wall structures with soft top and hard bottom, which not only meets the requirements of the construction period, but also meets the quality requirements of the ground connection wall. Described construction method comprises the following steps:
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The invention relates to the field of diaphragm wall construction, in particular to a grooving construction method for diaphragm walls based on 'three grabs and nine holes or two grabs and five holes'. A grooving machine is used for formation of first grooves, and each first groove is formed by a 'three-grab method'; two punching machines are used for simultaneous punching, and each first groove is punched by a 'nine-hole method'; a grooving machine is used for formation of closed grooves, and each closed groove is formed by a 'two-grab method'; two punching machines are used for simultaneouspunching, and each closed groove is punched by a 'five-hole method'; after forming and punching of the first grooves and the closed grooves, round hammers and square hammers are sequentially used forrepairing the grooves. The method has the advantages that the high-efficiency characteristics of the grooving machines in soft-soil stratums are developed, the advantages of the diaphragm walls are well developed, the punching machines can develop their advantages in high-strength rock layers, and the risks of slow construction progress and difficult quality control of the diaphragm walls in special stratums with soft upper portions and hard lower portions are avoided effectively.
Description
technical field [0001] The invention relates to the technical field of ground connection wall construction, and more specifically, relates to a construction method for forming grooves in a ground connection wall with "three grasps and nine holes and two grasps and five holes". Background technique [0002] In recent years, the construction of ground connection walls in China has developed rapidly, and various slotting machines have emerged, making ground connection walls more and more widely used in underground engineering. Ground connection walls are used as earth dams, tailings dams, sluices, foundation pit enclosure walls, etc. The retaining and anti-seepage structure of the structure is very safe and economical. The construction of ground connection wall has the characteristics of high work efficiency, short construction period, reliable safety and quality, and high economic benefit. It is very suitable for construction in cities. Due to the continuous improvement of con...
Claims
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IPC IPC(8): E02D17/06E02F5/02E02D5/18
CPCE02D5/18E02D17/06E02F5/02E02F5/025
Inventor 李世太吴世红黄世华王新龙赵宇康
Owner CHINA RAILWAY 12TH BUREAU GRP