CN211472608U

CN211472608U - Underwater steel pipe pile bearing capacity detection tool

Info

Publication number: CN211472608U
Application number: CN201921960309.XU
Authority: CN
Inventors: 赵云强; 杨康; 羊勇; 裘高松; 马腾飞; 余文昊
Original assignee: Zhejiang Communications Construction Group Co Ltd
Current assignee: Zhejiang Communications Construction Group Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-09-11
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a bearing capacity detects instrument, especially an aquatic steel pipe pile bearing capacity detects instrument. At present, steel pipe piles are arranged in a river channel, and the bearing capacity of the steel pipe piles cannot be determined due to the complex river bottom condition. For solving the problem, the utility model provides an aquatic steel pipe pile bearing capacity detects instrument, including setting up the reaction frame anchor steel-pipe pile in the four circumference of steel-pipe pile that awaits measuring, wherein two reaction frame anchor steel-pipe piles of off-diagonal position are connected with girder steel A, two reaction frame anchor steel-pipe piles are connected with girder steel B for the rest, girder steel C that this parallel structure of a perpendicular to was established to lower part liner in the middle of girder steel A and the girder steel B forms counter-force structure, the steel-pipe pile that awaits measuring is striden on the girder steel C, it highly is higher than the steel-pipe pile head height that awaits measuring to stride department's girder steel C position, steel-pipe pile and girder steel C vertical position department that awaits measuring set. By the technical scheme, the bearing capacity of the steel pipe pile in the river channel is quantitatively measured, and controllability of the steel pipe pile is improved.

Description

Underwater steel pipe pile bearing capacity detection tool

Technical Field

The utility model relates to a bearing capacity detects instrument, especially an aquatic steel pipe pile bearing capacity detects instrument.

Background

At present, steel pipe piles are arranged in a river channel, a temporary steel trestle is erected, and due to the complex river bottom condition, an exploration tool is difficult to erect and is often carried out under the condition that the exploration of the stratum of the river channel is not detailed. Generally, whether the bearing capacity of the steel pipe pile meets the requirement is roughly judged through the power of a vibration hammer and the penetration degree of the steel pipe pile, but the bearing capacity cannot be determined. How to detect the bearing capacity of the steel pipe pile is a great technical problem at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem and the demand that mention above, provide an aquatic steel pipe pile bearing capacity detection instrument, make the quantization measurement aquatic steel pipe pile intensity possible. The present invention is able to overcome the technical problems mentioned in the background art by adopting the features as described hereinafter, and has other advantages as will be described hereinafter.

The utility model discloses a following technical scheme solves above-mentioned problem:

the utility model provides an aquatic steel pipe pile bearing capacity detects instrument, including setting up four reaction frame anchor steel-pipe pile (2) of the same type in the four circumference of steel-pipe pile (1) that awaits measuring, wherein two reaction frame anchor steel-pipe pile (2) of off-diagonal position are connected with girder steel A (3a), two remaining reaction frame anchor steel-pipe pile (2) are connected with girder steel B (3B), girder steel A (3a) and girder steel B (3B) form parallel structure, girder steel C (4) of establishing a perpendicular to this parallel structure is lined up to girder steel A (3a) and girder steel B (3B) middle lower part, girder steel C (4) are striden on girder steel C (4) await measuring steel-pipe pile (1), it highly is higher than steel-pipe pile (1) pile head height that awaits measuring to stride a position girder steel C (4), set up pressure measurement device (6) at steel-pipe pile (1) and girder steel C (4) vertical position department that awaits measuring.

Preferably, the pressure detection device (6) is a hydraulic jack with an oil meter.

Preferably, the distance between the four reaction frame anchoring steel pipe piles (2) arranged in the four circumferential directions of the steel pipe pile (1) to be tested and the steel pipe pile (1) to be tested is 6 meters.

Preferably, the depth of the four reaction frame anchoring steel pipe piles (2) arranged in the four circumferential directions of the steel pipe pile (1) to be tested is consistent with that of the pile to be tested.

Preferably, the pile tops of the four reaction frame anchoring steel pipe piles (2) arranged in the four circumferential directions of the steel pipe pile (1) to be tested are provided with preset mounting holes, the preset mounting holes are connected with the steel beam A (3a) and the steel beam B (3B) in a welding mode, and the steel beam A (3a) and the steel beam B (3B) are ensured to be horizontal.

Preferably, the steel beam C (4) is connected with the steel beam A (3a) and the steel beam B (3B) in a welding mode and is kept horizontal.

Preferably, the steel beam A, the steel beam B and the steel beam C are 56a I-steel.

Preferably, a thick steel plate (5) is arranged between the pressure detection device (6) and the steel beam C (4).

This scheme adopts and to wait to examine steel-pipe pile and to beat all around and establish 4 steel-pipe piles of the same type, reuses the girder steel, and 4 steel-pipe piles are connected to preferred 56a I-steel, constitute "worker" style of calligraphy counter-force frame system. And then a hydraulic jack is arranged between the counterforce frame and the steel pipe pile to be tested, and counterforce is provided through pile foundation friction of 4 steel pipe piles. When the jack reaches the maximum pressure, the reading of the oil meter is the maximum bearing capacity of the steel pipe pile to be detected. The method effectively solves the problem that the bearing capacity of the steel pipe pile in the river cannot be detected, and has the advantages of simple material taking, easy operation and wider use value.

And 4 steel pipe piles of the same type are arranged around the steel pipe pile to be detected, the pile spacing is preferably 6m, and the depth is consistent with that of the pile to be detected. Mounting holes are provided in the pile top for mounting connecting steel beams, preferably 56a i-beams. The steel-pipe pile is connected with each other two by adopting the steel beam, then the steel beam is transversely connected at the middle position of the width of the steel beam body, the steel beam is used for striding over the steel-pipe pile to be detected, the middle position of the pile to be detected is kept, the steel beam is connected with the steel-pipe pile and the steel beam in a welding mode, and the steel beam is required to be kept horizontal.

A pressure detection device is arranged between the pile to be detected and the steel beam on the pile to be detected, a hydraulic jack is preferably selected (the jacking force range of the jack meets the requirement of designed bearing capacity), and the jack is required to be provided with a matched calibrated oil meter.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the present embodiment will be briefly described below. The drawings are intended to depict only some embodiments of the invention, and not all embodiments of the invention are limited thereto.

FIG. 1 is a cross-sectional view of a steel pipe pile bearing capacity detection tool.

FIG. 2 is a top view of the steel pipe pile bearing capacity detection tool.

FIG. 3 is a schematic view of a reaction frame anchor pile steel beam mounting hole.

The reference numerals are explained below: 1, a steel pipe pile to be tested; 2, anchoring piles of a reaction frame; 3(3a/b) reaction frame anchor pile connecting steel beam A, B; 4 counter-force transverse steel beams C; 5 thick steel plates; 6 pressure detection device.

Detailed Description

In order to make the technical solution of the present invention's purpose, technical solution and advantages clearer, the following description will be combined with the drawings of the specific embodiments of the present invention, to carry out clear and complete description on the technical solution of the embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before or after the word covers the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. As used herein, "the", "said", and the like do not limit the number of elements. In addition, the word "having a component" or similar language means "having one or more of the component" unless the context clearly dictates otherwise.

Example 1

The utility model provides an aquatic steel pipe pile bearing capacity detects instrument, including setting up four counter-force frame anchor steel-pipe piles of the same type in the four circumference of steel-pipe pile that await measuring, wherein two counter-force frame anchor steel-pipe piles of off-diagonal position are connected with girder steel A, two remaining counter-force frame anchor steel-pipe piles are connected girder steel A and girder steel B and are formed a parallel structure with girder steel B, girder steel C that a perpendicular to this parallel structure was established to the lower part lining in the middle of girder steel A and girder steel B forms counter-force structure, the steel-pipe pile that awaits measuring is striden on the girder steel C, set up the hydraulic jack of taking the oil meter in steel-pipe pile that awaits measuring and girder steel C vertical position department, jack both ends and girder steel C. The distance between the anchoring steel pipe pile of the reaction frame and the steel pipe pile to be detected is 6 meters, and the depth of the anchoring steel pipe pile of the reaction frame is consistent with that of the steel pipe pile to be detected. Four reaction frames anchor the pile top of the steel pipe pile to preset mounting holes, are connected with the steel beam A and the steel beam B in a welding mode, and ensure that the steel beam A and the steel beam B are horizontal. And the steel beam C is connected with the steel beam A and the steel beam B in a welding mode and is kept horizontal. The steel beam A, the steel beam B and the steel beam C are 56a I-shaped steels, a thick steel plate is arranged between the hydraulic jack and the steel beam C, and the thickness of the steel plate is 3 cm.

Example 2

The utility model provides an aquatic steel pipe pile bearing capacity detects instrument, including setting up four reaction frame anchor steel-pipe piles of the same type in the four circumference of steel-pipe pile that await measuring, wherein two reaction frame anchor steel-pipe piles of off-diagonal position are connected with girder steel A, two remaining reaction frame anchor steel-pipe piles are connected with girder steel B, girder steel A and girder steel B form a parallel structure, girder steel C that a perpendicular to this parallel structure was established to the lower part lining in the middle of girder steel A and girder steel B forms counter-force structure, the steel-pipe pile that awaits measuring is striden on the girder steel C, steel-pipe pile and girder steel C vertical position department that await measuring set up the readable formula pressure gauge of digit, pressure gauge both ends and girder steel C, the closely knit atre. The distance between the reaction frame anchoring steel pipe pile and the pile to be tested is 7 meters, and the depth of the reaction frame anchoring steel pipe pile is consistent with that of the steel pipe pile to be tested. Four reaction frames anchor the pile top of the steel pipe pile to preset mounting holes, are connected with the steel beam A and the steel beam B in a welding mode, and ensure that the steel beam A and the steel beam B are horizontal. And the steel beam C is connected with the steel beam A and the steel beam B in a welding mode and is kept horizontal. The steel beam A, the steel beam B and the steel beam C are 56a I-shaped steels, a thick steel plate is arranged between the hydraulic jack and the steel beam C, and the thickness of the steel plate is 3 cm.

Claims

1. A tool for detecting the bearing capacity of an underwater steel pipe pile is characterized by comprising four same-type reaction frame anchoring steel pipe piles (2) arranged on the four circumferential directions of a steel pipe pile (1) to be detected, wherein two reaction frame anchoring steel pipe piles (2) at the non-diagonal positions are connected by a steel beam A (3a), the rest two reaction frame anchoring steel pipe piles (2) are connected by a steel beam B (3B), the steel beam A (3a) and the steel beam B (3B) form a parallel structure, a steel beam C (4) vertical to the parallel structure is arranged at the lower part of the middle of the steel beam A (3a) and the steel beam B (3B) in a lining manner to form a reaction structure, the steel beam C (4) strides over the steel pipe pile (1) to be tested, the steel beam C (4) at the backspan position is higher than the pile head height of the steel pipe pile (1) to be tested, and a pressure detection device (6) is arranged at the vertical position of the steel pipe pile (1) to be detected and the steel beam C (4).

2. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in claim 1, wherein the pressure detection device (6) is a hydraulic jack with an oil meter.

3. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in claim 1, wherein the distance between the four reaction frame anchoring steel pipe piles (2) arranged in the four circumferential directions of the steel pipe pile (1) to be detected and the steel pipe pile (1) to be detected is 4-8 m.

4. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in claim 1, wherein the depth of the four reaction frame anchoring steel pipe piles (2) arranged in the four circumferential directions of the steel pipe pile (1) to be detected is consistent with that of the pile to be detected.

5. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in claim 1, wherein the preset mounting holes of the pile tops of the four reaction frame anchoring steel pipe piles (2) arranged on the four circumferential directions of the steel pipe pile (1) to be detected are welded with the steel beam A (3a) and the steel beam B (3B) and ensure that the steel beam A (3a) and the steel beam B (3B) are horizontal.

6. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in claim 1, wherein the steel beam C (4) and the steel beams A (3a) and B (3B) are welded and connected and kept horizontal.

7. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in claim 1, wherein the steel beam A (3a), the steel beam B (3B) and the steel beam C (4) are I-shaped steel.

8. The tool for detecting the bearing capacity of the underwater steel pipe pile as claimed in any one of claims 1 to 6, wherein a thick steel plate (5) is arranged between the pressure detection device (6) and the steel beam C (4).