Novel surrounding structure system and construction method for reducing vibration

An enclosure structure and a new type of technology, applied in foundation structure engineering, sheet pile walls, excavation, etc., can solve problems affecting the effective working life of hydraulic vibration pile hammer structural components, integrity of prefabricated components, noise pollution, unsatisfactory, etc., to achieve High construction efficiency, low project cost, and reduced impact

Inactive Publication Date: 2015-06-03
SHANGHAI CHENGDI CONSTR +1
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  • Abstract
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  • Claims
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Problems solved by technology

However, it has been found in practice that there are currently two major defects in the hydraulic vibrating pile hammer of the current structure that need to be improved; one is that the resonant frequency will be generated due to the resonant region when starting and stopping, which will cause noise pollution. , it will also make the equipment and concrete prefabricated components bear additional loads, which will affect the effective working life of the structural components of the hydraulic vibrating pile hammer and the integrity of the prefabricated components; Optimum amplitude for optimal construction efficiency requirements

Method used

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  • Novel surrounding structure system and construction method for reducing vibration
  • Novel surrounding structure system and construction method for reducing vibration
  • Novel surrounding structure system and construction method for reducing vibration

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Embodiment Construction

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the invention clearer and clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] Such as figure 1 As shown, the vibration hammer with adjustable eccentric moment in the present invention. It can be used for sinking construction of concrete prefabricated components.

[0029] Such as figure 2 As shown, according to the site conditions, the prefabricated concrete components can be sunk into the soil or the cement-soil mixed soil as the stress-bearing components of the foundation pit enclosure.

[0030] combine image 3 , when the present invention is applied in the soil or when the concrete member is implanted in the mixing pile, i...

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Abstract

The invention relates to a novel surrounding structure system and a construction method for reducing vibration. The construction method mainly comprises the following steps: inserting a five-axis cement mud stirring pile into a prefabricated component, and inserting the prefabricated component by adopting an eccentric torque variable-frequency motor electric-drive vibrating hammer. The novel construction method disclosed by the invention has the characteristics of being high in construction speed, small in interferences on a surrounding environment, small in interferences on integral performances of the prefabricated component, energy-saving, environment-friendly, and the like.

Description

technical field [0001] The invention relates to a novel enclosure structure system and a construction method for reducing vibration. The construction method can be widely used in foundation pit engineering in soft soil areas. Background technique [0002] The current enclosure structure system can be divided into the following categories according to the depth: grading, gravity dam, anchor or internal support combined with bored piles, SMW construction method, and underground diaphragm wall. From the perspective of construction, the above types of enclosure systems are all on-site manufacturing techniques, and it is extremely rare to use prefabricated components. The component prefabrication of the above-ground structure has entered the promotion stage, and the use of prefabricated components for the underground enclosure structure will be the next development trend. [0003] However, if the prefabricated components are directly inserted into the soil as a soil retaining st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/04E02D5/46
CPCE02D5/46E02D17/04
Inventor 谢晓东谢益飞周玉石赵伟明黄立伟鲍国强汤武张群
Owner SHANGHAI CHENGDI CONSTR
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