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Upper-stacking and lower-hanging combined load static load test pile apparatus

A technology of static load test pile and load box, which is applied in the test of basic structure, construction, and basic structure engineering, etc., can solve the problems of heavy stacking sand bags, low construction efficiency, slow speed, etc., to reduce the overall center of gravity, reduce The effect of counterweight and height reduction

Inactive Publication Date: 2009-04-22
李道华 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional static load test ballast platform reaction device is to use sand bags to counterweight the ballast platform; stacking sand bags is very heavy, unsafe, consumes a lot of sand bags, slow speed, and low construction efficiency

Method used

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  • Upper-stacking and lower-hanging combined load static load test pile apparatus
  • Upper-stacking and lower-hanging combined load static load test pile apparatus
  • Upper-stacking and lower-hanging combined load static load test pile apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1 is shown in Figures 1-4: a static load test pile device with combined loads on top and bottom hanging. On both sides of the foundation pile 12 along the same straight line, the steel structure of the main beam is placed on the ground 8 at an equal distance from the foundation pile 12. Support 10, the two ends of main beam 9 are placed on the main beam steel structure support 10, and jack 11 is placed between main beam 9 and foundation pile 12; The length direction of 4 is symmetrical to the foundation pile 12 and is placed on the main beam 9, and the auxiliary beam 4 and the main beam 9 form a ballast platform. On the auxiliary beam 4, the upper pile steel structure load reinforcement box 1 is placed, and on both sides of the auxiliary beam 4 in the width direction, it is symmetrical to the foundation pile 12, and the lower load box 6 and the lower load box are attached to the lower beam support through the connector 5 7. In the last steel structure load s...

Embodiment 2

[0019] Example 2 as Figure 2-3 Shown: a static load test pile device with combined load on the top pile and bottom hanging. In the load reinforcement box 1 of the steel structure on the top pile, a "well" shaped reinforcement baffle 14 symmetrical to the vertical central axis of the foundation pile is positioned and fixed, or a strip-shaped reinforcement baffle 14 , triangle, diamond and other reinforced baffles. The ground clearance of hanging load box 7 is 10 centimeters larger than paying beam support and hanging load box 6 below. All the other are identical with embodiment 1.

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Abstract

The invention relates to an upward-stacking and downward-hanging combined loading static load pile test device, wherein a steel structure bracket of a main beam is arranged on the ground at two sides of a foundation pile; two ends of the main beam are arranged on the steel structure bracket of the main beam; a jack is placed between the main beam and the foundation pile; a secondary beam is arranged on the main beam along a direction vertical to the main beam, and the secondary beam and the main beam form a ballast platform; an upward-stacking steel structure load reinforcing box is arranged on the secondary beam, and a secondary beam support saddle which also serves as a lower load box and another lower load box are hung downwards on two sides of the secondary beam along the width direction of the secondary beam through connecting pieces; a square reinforcing baffle or a reinforcing baffle with the shape like a Chinese character 'jing' is positioned and fixed in the upward-stacking steel structure load reinforcing box; and the side wall of the jack close to the lower load boxes is provided with a displacement sensor for measuring the settling amount of the foundation pile. The upward-stacking and downward-hanging combined loading static load pile test device adopts lifting equipment to add counterweight materials into the upward-stacking steel structure load reinforcing box, and the upward-stacking steel structure load reinforcing box is lifted off once when a static load pile test is finished. The upward-stacking and downward-hanging combined loading static load pile test device has the advantages of safe and fast construction, mechanical lifting, high efficiency, and labor and cost conservation.

Description

technical field [0001] The invention relates to a stacking device for testing the static load vertical bearing capacity of construction engineering foundations and pile foundations, in particular to a static load test pile device for combined loads of upper stacking and lower hanging. Background technique [0002] Construction projects, especially the construction of high-rise buildings and large structures, require the use of a large number of pile foundations. According to the requirements of the national code for quality acceptance of foundation and pile foundation projects, static load testing of the bearing capacity of test piles and engineering piles should be carried out to determine and test the bearing capacity of single piles, which is a mandatory clause for the quality acceptance requirements of foundation piles. The traditional static load test ballast platform reaction device is to use sand bags to counterweight the ballast platform; stacking sand bags is very h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D33/00
Inventor 李道华钱勇
Owner 李道华
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