CN110939153B

CN110939153B - Method for plugging gap between wall plates of steel suspension box

Info

Publication number: CN110939153B
Application number: CN201911132070.1A
Authority: CN
Inventors: 任延龙; 白昌杰; 崔淑斌; 张亚锋; 梁奇; 王生强
Original assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd
Current assignee: China Railway Construction Bridge Engineering Bureau Group Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2022-02-22
Anticipated expiration: 2039-11-19
Also published as: CN110939153A

Abstract

The invention provides a method for plugging a gap between wall plates of a steel suspension box, which comprises the steps of firstly adopting a method of crawler hoisting and manual assistance to install the wall plates to a designed position; then the two wall plates are connected and locked by a lock catch; after filling, performing waterproof treatment on the outer side of the wallboard; and finally, carrying out the next procedure construction by using the steel hanging box below the whole body. Usually, the two wall plates are locked and fixed by using a pull rod, and the two sides of the pull rod are locked by adopting a mode of opposite-top nuts. The plugging method provided by the invention is simple and reasonable in operation, good in waterproof effect, capable of preventing the splicing part of the wall plates of the steel hanging box from leaking water well, effectively reducing the water pumping amount required after the steel hanging box is put down, and high in construction cost, efficiency and effect.

Description

Method for plugging gap between wall plates of steel suspension box

Technical Field

The invention belongs to the technical field of bridge engineering construction, and particularly relates to a method for plugging a gap between wall plates of a steel suspension box.

Background

In recent years, with the vigorous development of bridge engineering construction in China, super-huge bridges spanning big rivers, gulfs, straits and the like are continuously developed, and the construction of a large number of deep-water bridges inevitably puts higher requirements on the construction of bridge foundations, wherein the construction of the steel hanging boxes has the characteristics of short construction period, no need of sinking into riverbeds, small material consumption, recycling, economy, reasonableness and the like, the application is wide, the integral assembly of the steel hanging boxes directly influences the quality and safety of the construction of large-size bearing platforms, and particularly, the water leakage prevention measures among wall plates are particularly important. In the prior art, when the steel hanging box is put down into water, the loose connection between the wall plates is easy to occur, thereby causing the condition of water leakage of the hanging box to occur.

Disclosure of Invention

In view of the above, the present invention provides a method for plugging a gap between wall plates of a steel suspension box, which aims to overcome the defects in the prior art.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

a method for plugging a gap between wall plates of a steel suspension box comprises the following steps:

s1, assembling the wall plate, and arranging a lock catch at the edge of the wall plate;

s2, splicing the lock catches between the two wallboards through a connecting piece, and locking the lock catches by the pull rods in a counter-pulling manner;

s3, splicing all the wall plates according to the method;

s4, filling plugging mixtures into the gaps on the inner sides of the two wall plates;

s5, filling foaming agent into the gap between the outer sides of the two wall plates;

s6, performing waterproof treatment on the outer side of the wallboard;

and S7, carrying out the next process construction by using the steel hanging box below the whole body.

Furthermore, the wall plate is installed to a design position by adopting a method of crawler hoisting and manual assistance.

Further, the plugging mixture is a mixture of clay and cotton wool.

Further, in step S6, the waterproofing method includes adhering aluminum foil butyl rubber to the outer side of the joint of the two wall panels to the highest water level.

Further, the aluminum foil butyl rubber completely covers the foaming agent filled in the gap between the outer sides of the two wall plates.

Furthermore, two sides of the pull rod are locked in a mode of opposite-top nuts.

Further, the lock catch is a C-shaped lock catch.

Further, the connecting piece adopts I-shaped steel.

Compared with the prior art, the invention has the following advantages:

in the plugging method provided by the invention, wall plates are connected by using lock catches, and the lock catches are filled with a mixture of clay and cotton wool; meanwhile, the foaming agent is filled between the wall plates, and aluminum foil butyl rubber is pasted on the outer sides of the wall plates, so that the phenomenon of water leakage of the whole wall plate is avoided.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:

fig. 1 is a schematic view of a plugging structure according to an embodiment of the present invention.

Description of reference numerals:

1-C type lock catch; 2-I-steel; 3-a pull rod; 4-plugging the mixture; 5-a foaming agent; 6-aluminum foil butyl rubber; 7-locking pull rod support; 8-nut.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.

A method for plugging a gap between wall plates of a steel suspension box is shown in figure 1 and comprises the following steps:

assembling the wall plate, and adopting a C-shaped lock catch 1 at the edge of the wall plate; generally, the wall plate is installed to a design position by adopting a crawler hoisting and manual assistance method;

then C-shaped lock catches between the two wallboards are spliced through the I-shaped steel 2 and are locked by the pull rod 3 in a pulling way; splicing all the wall plates according to the method;

then filling the gap between the inner sides of the two wall plates with plugging mixture 4; generally, the plugging mixture is a mixture of clay and cotton wool, so that the compactness can be effectively ensured, and the plugging mixture is fixedly matched with the locking of the pull rod, so that the reliable connection and fixation of the wall plate are realized;

then filling foaming agent 5 into the gap between the outer sides of the two wall plates, and sealing the edges by using the foaming agent;

then, performing waterproof treatment on the outer side of the wallboard;

and finally, carrying out the next procedure construction by using the steel hanging box below the whole body.

In the plugging method provided by the invention, wall plates are connected by using lock catches, and the lock catches are filled with a mixture of clay and cotton wool; meanwhile, the foaming agent is filled between the wall plates, and aluminum foil butyl rubber (cloth) is pasted on the outer sides of the wall plates, so that the phenomenon of water leakage of the whole wall plate is avoided.

In an alternative embodiment, the waterproofing method includes: and sticking aluminum foil butyl rubber 6 to the highest water level outside the splicing position of the two wall plates. The aluminum foil butyl rubber completely covers the foaming agent filled in the gap between the outer sides of the two wall plates, so that the problem of water seepage in the gap between the wall plates is effectively prevented;

in an alternative embodiment, the structure for locking the two wall plates by using the pull rod can be as follows: the outer sides of the wall plates are provided with lock catch pull rod supports 7, the pull rods respectively penetrate through the lock catch pull rod supports, and the outer sides of the two lock catch pull rod supports are respectively locked in a mode of opposite-pushing nuts 8.

The plugging method provided by the invention is simple and reasonable in operation and good in waterproof effect, can well prevent water leakage at the splicing position of the wall plates of the steel hanging box, and effectively reduces the water pumping amount required after the steel hanging box is put down. The plugging material is a common material available in the market, the construction is convenient and rapid, the cost is less, the application effect is good, the cost is saved on the basis of ensuring the waterproof effect, and the plugging material has great popularization and application values and good social benefits.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.

Claims

1. A method for blocking a gap between wall plates of a steel suspension box is characterized by comprising the following steps:

s3, splicing all the wall plates according to the method;

s6, performing waterproof treatment on the outer sides of the wall plates, and completely covering the foaming agent filled in the gap between the outer sides of the two wall plates by using aluminum foil butyl rubber;

2. The method for blocking the gap between the wall plates of the steel suspension box as claimed in claim 1, wherein: the wall plate is installed to a design position by adopting a method of crawler hoisting and manual assistance.

3. The method for blocking the gap between the wall plates of the steel suspension box as claimed in claim 1, wherein: the plugging mixture is a mixture of clay and cotton wool.

4. The method for blocking the gap between the wall plates of the steel suspension box as claimed in claim 1, wherein: in step S6, the waterproof method includes adhering aluminum foil butyl rubber to the outer side of the joint of the two wall panels to the highest water level.

5. The method for blocking the gap between the wall plates of the steel suspension box as claimed in claim 1, wherein: two sides of the pull rod are locked in a mode of opposite-top nuts.

6. The method for blocking the gap between the wall plates of the steel suspension box as claimed in claim 1, wherein: the lock catch adopts a C-shaped lock catch.

7. The method for blocking the gap between the wall plates of the steel suspension box as claimed in claim 1, wherein: the connecting piece adopts I-shaped steel.