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HL type high-strain pile-trialing method hammering system

A pile test method and high-strain technology, which is applied in the testing of foundation structures, construction, infrastructure engineering, etc., can solve the problems of unreasonable guiding devices without guide devices, unreasonable decoupling devices, etc., and achieves good consistency and thickness. Adjustable and easy-to-operate effects

Inactive Publication Date: 2015-05-06
天津原位物探科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] ① unreasonable uncoupling device
[0005] ② No guiding device or unreasonable guiding device
Problems to be solved: develop hammer pads and connect them with heavy hammers

Method used

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  • HL type high-strain pile-trialing method hammering system
  • HL type high-strain pile-trialing method hammering system
  • HL type high-strain pile-trialing method hammering system

Examples

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Embodiment Construction

[0050] see Figure 1 to Figure 7 , the embodiment of the invention is described in detail as follows:

[0051] A HL-type high-strain test pile method hammering system is characterized in that it includes from top to bottom:

[0052]Lock disc type uncoupling device, weight and retractable guide frame, wherein the outside of the locking disc type decoupling device is a box body 7, and a lock disc 8 is arranged inside the box body 7, and the lock disc 8 is a flat square shell. The surface is provided with a hollow positioning hole lock catch 6, and the outer sides of the lock catch 6 are respectively provided with a parallel lock arm 4. Two telescopic rods 3 are respectively installed on the two long sides of the lock plate 8, and the lower part of one of the short sides of the two short sides A spring 10 is installed, and the spring 10 is connected to the telescopic rod control rope 1 and the telescopic rod lock 2, and the four corners on the upper surface of the lock plate 8 a...

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Abstract

The invention relates to an HL type high-strain pile-trialing method hammering system, comprising from up to down: a lock disk type detacher, a hammer and a retractable guide frame, wherein a box is arranged outside the lock disk type detacher; a lock disk is arranged in the box; the lock disk is a flat square shell; a lock catch is arranged on an upper surface of the shell; two side outside the lock catch are respectively provided with parallel lock arms; two long side faces of the lock disk are respectively equipped with two extension rods; a spring is mounted on a lower portion of one of two short side faces; the spring is connected with an extension rod control rope and an extension rod lock; four corners of the upper surface of the lock disk are respectively provided with hoisting holes along a diagonal direction; the hammer is a hammer body; a vertical lock head is arranged on the top of the hammer body; a hoisting nose is arranged on the lower portion of the lock head near to the hammer body; the retractable guide frame is a vertical frame and is composed of a basic joint and an adjustment joint; a longitudinal section of the basic joint is trapezoid; the basic joint is provided with a top face and a bottom face; bevel edges on two sides are composed of a lower segment, a middle segment and an upper segment from down to up; the longitudinal section of the adjustment joint are two rectangles, so that a new high-strain pile-trialing method hammering system is formed.

Description

technical field [0001] The invention relates to the field of construction engineering, in particular to an HL type high strain test pile method hammering system. Background technique [0002] The bearing capacity measurement of pile foundation is a crucial link in construction engineering, and the inaccurate bearing capacity test directly affects the safety of the superstructure. The high strain test pile method is an advanced dynamic test technology. Compared with the traditional static test, it has the outstanding advantages of fast test speed, simple equipment, flexible sampling, low engineering cost and rich measurement parameters. In the high-strain test pile method, two strain sensors and two acceleration sensors are symmetrically installed near the top of the pile, and the top of the pile is impacted instantaneously by a heavy hammer to pick up the time-history curves of force and motion velocity on the sensor installation section; then, different piles are used The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D33/00
Inventor 韩亮王向平
Owner 天津原位物探科技有限公司
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