CN209891187U - I-shaped steel joint sand bag device for adjacent groove sections of cast-in-place diaphragm wall - Google Patents
I-shaped steel joint sand bag device for adjacent groove sections of cast-in-place diaphragm wall Download PDFInfo
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- CN209891187U CN209891187U CN201920351536.6U CN201920351536U CN209891187U CN 209891187 U CN209891187 U CN 209891187U CN 201920351536 U CN201920351536 U CN 201920351536U CN 209891187 U CN209891187 U CN 209891187U
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Abstract
The utility model relates to a cast-in-place underground continuous wall construction equipment provides a cast-in-place ground is adjacent groove section I-steel joint sand bag device even wall, and it connects, steel reinforcement cage and long sand bag including the I-steel, and a side channel and the steel reinforcement cage end welded connection that the I-steel connects, opposite side cell wall board end interval welding have the couple to connect long sand bag in II phase groove section sides that the I-steel connects through iron wire or tie up the rope. During construction, a steel reinforcement cage with an I-shaped steel joint and a long sand bag are hung in a first-stage wall section groove by a crane, fine sand is filled into the long sand bag from a sand bag opening by a conveying machine, and the long sand bag filled with the fine sand is opened to fill a second-stage wall section on the side of the I-shaped steel joint; constructing a first-stage continuous wall section, filling the poured concrete into the outer side of the I-shaped steel joint and preventing the poured concrete from flowing into the second-stage wall section side of the I-shaped steel joint due to the blockage of a sand bag; the utility model discloses a progress: 1) the defects that the prior art for manually throwing and filling the sand bags into the ground connecting wall joint holes has long operation time, high cost and large influence by the sand bag inventory are overcome; 2) the filled sand bag has good anti-streaming effect, and can greatly improve the construction efficiency of the second-stage wall section.
Description
Technical Field
The utility model relates to a cast-in-place underground continuous wall construction equipment prevents the concrete from flowing to second phase wall section side from the joint end space when especially pouring first phase wall section concrete to the normal grooving equipment of second phase wall section is hindered.
Background
Underground continuous walls are foundation works. During construction, a long and narrow deep groove is excavated on the ground along the peripheral axis (guide wall) of the deep excavation project under the condition of slurry wall protection. After the groove is cleaned, a reinforcement cage is hoisted in the groove, and then concrete is poured by a guide pipe method to form a unit groove section. The construction is carried out at intervals (1-3-5 and 2-4-6) section by section, and a continuous reinforced concrete wall is built underground to be used as a structure for intercepting water, preventing seepage, bearing and retaining water.
Because the underground continuous wall is arranged below the ground and the depth of the underground continuous wall reaches dozens of meters, even exceeds 100 meters, the deeper the underground continuous wall is, the more affected by the leakage of underground water. Because the underground continuous wall is constructed section by section, a joint is easily formed at the joint of two adjacent sections of concrete, and water leakage is caused. One way to solve the problem of water leakage is to use a joint with a special structure, for example, a plurality of I-steel joints are used at present.
The underground continuous wall usually adopts a staged construction method, firstly, wall sections in the first stage (1-3-5) are constructed at intervals, firstly, a groove section in the first stage is excavated and a reinforcement cage and poured concrete are placed, the reinforcement cage constructed in the wall sections in the first stage is provided with an I-shaped steel joint, after the concrete of the wall sections in the first stage is hardened, a groove section in the second stage (2-4-6) is excavated and the reinforcement cage and the poured concrete are placed, and the reinforcement cage constructed in the wall sections in the second stage is not provided with the I-shaped steel joint.
When the first-stage wall section is constructed, a certain gap is reserved between the connector and the wall of the groove for conveniently placing the connector, and when concrete is poured after the steel reinforcement cage is placed, the fluid concrete can bypass the connector and flow to the other side (the second-stage groove section) of the I-shaped steel connector. The concrete which flows around the other side of the joint and is hardened directly influences the construction of the second-stage wall section and can not be firmly combined with the concrete of the second-stage wall section. Therefore, it is necessary to solve the problem that concrete flows around the i-steel joint during the first-stage wall segment construction.
Common solutions are mainly foam filled i-beams, sand bag filled i-beams, etc.
According to the traditional sand bag filling method, sand needs to be filled into a bag in advance, the sand is stacked in order, the sand bag begins to be filled after the underground diaphragm wall reinforcing mesh is placed into the groove, the sand bag stacked in order needs to be manually loaded by using a loading vehicle in the sand filling process, the sand bag is transferred to the groove edge where the reinforcing mesh is placed, and then the sand bag is thrown and filled by users.
The traditional sand bag has large filling void ratio and poor compactness, easily causes the underwater concrete to seep and wind into the gap for consolidation, has great influence on the construction of a second-stage groove section, and needs to spend a large amount of time to wash the position of a punch hole.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cast-in-place even adjacent groove section I-steel of wall connects sand bag device, it can overcome current even wall joint hole manual work and throw and fill sand bag technical operation time long, with high costs, receive the big shortcoming of sand bag stock influence. And the method also has a good anti-streaming effect, and can greatly improve the construction efficiency of the second-stage wall section.
The purpose of the utility model can be realized by the following technical proposal.
The I-steel joint sand bag device for adjacent groove sections of the cast-in-place underground diaphragm wall comprises an I-steel joint, a reinforcement cage and a long sand bag, wherein the reinforcement cage is formed by cross connection of a plurality of longitudinal reinforcements and transverse reinforcements, one side groove of the I-steel joint is welded with the reinforcement cage end, the other side groove wall plate end is welded with a hook at intervals, and the long sand bag is connected to the side of the groove section in the second period of the I-steel joint through the hook and an iron wire or a binding rope.
The long sand bag is arranged along the length direction of the I-shaped steel joint, the length of the long sand bag is equal to that of the I-shaped steel joint, and the opening sectional area of the long sand bag is 1.5-2 times of that of the cross section of the side groove of the I-shaped steel joint.
During construction, a steel reinforcement cage with an I-shaped steel joint and a long sand bag are hung in a first-stage wall section groove by a crane, fine sand is filled into the long sand bag from a sand bag opening by a conveying machine, and the long sand bag filled with the fine sand is opened to fill a second-stage wall section on the side of the I-shaped steel joint; constructing a first-stage continuous wall section, filling the poured concrete into the outer side of the I-shaped steel joint and preventing the poured concrete from flowing into the second-stage wall section side of the I-shaped steel joint due to the blockage of a sand bag;
compared with the prior art, the utility model has the following characteristics.
1) The utility model discloses can overcome current even wall joint hole manual work and throw and fill sand bag technical operation time long, with high costs, receive the big shortcoming of sand bag stock influence, have the fast characteristics of construction speed.
2) The utility model discloses the sand bag of filling has fine anti-streaming effect, can improve the efficiency of construction of second phase wall section greatly.
Drawings
Fig. 1 is a perspective view of the i-steel joint of the present invention.
Fig. 2 is the utility model discloses a first phase wall section construction sketch map.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Referring to fig. 1 and 2, a method for manufacturing and using an I-steel joint sand bag device for adjacent groove sections of a cast-in-place diaphragm wall comprises the following steps.
Step 1, manufacturing an I-shaped steel joint 1 and a reinforcement cage according to the prior art, wherein the reinforcement cage is formed by cross-connecting a plurality of longitudinal reinforcements 2 and transverse reinforcements 3, one side groove of the I-shaped steel joint 1 is welded with the reinforcement cage end, and a hook 11 is welded at the other side groove wall plate end at intervals of 100cm (as shown in figure 1).
And 2, manufacturing a long sand bag 4, wherein the length of the long sand bag 4 is equivalent to that of the I-steel joint 1, and the opening sectional area of the long sand bag 4 is 1.5 times of that of the side groove of the I-steel joint 1.
And 3, connecting the long sand bag 4 to the second-stage wall section side of the I-shaped steel joint 1 through a hook 11 by using an iron wire, and arranging the long sand bag 4 along the length direction of the I-shaped steel joint 1.
And 4, preparing fine sand, and transporting the fine sand to a construction site for stacking.
And 5, excavating a first-stage wall section groove which is slightly longer than the reinforcement cage connected with the I-shaped steel joint 1.
Step 6, hoisting the reinforcement cage with the I-shaped steel joint 1 and the long sand bag 4 into a first-stage wall section groove by using a crane (as shown in figure 2); and the opening of the long sand bag 4 is opened.
And 7, filling the fine sand 5 into the long sand bag 4 from the sand bag opening by using a conveying machine, and opening the long sand bag 4 filled with the fine sand 5 to fill the second-stage wall section on the side of the I-shaped steel joint 1 (as shown in figure 2).
And 8, constructing a first-stage continuous wall section according to the prior art, filling the poured concrete into the outer side of the I-shaped steel joint 1, and stopping the poured concrete from flowing into the second-stage wall section side of the I-shaped steel joint 1 by the long sand bag 4.
And 9, after the first-stage continuous wall section is hardened, excavating a second-stage wall section groove, and simultaneously removing the long sand bag 4 connected to the I-shaped steel joint 1 and the fine sand 5 filled in the step 7.
And 10, constructing a second-stage continuous wall section according to the prior art.
Practice has proved, the utility model discloses a mechanical conveyer belt fills sand bag speed ratio manual filling speed and improves 300%, and the expense is thrown the fill than the manual work and is practiced thrift 50%, still has fine anti-streaming effect, improves the efficiency of construction of second phase wall section greatly.
Claims (2)
1. Adjacent groove section I-steel of cast-in-place ground wall connects sand bag device, its characterized in that: including I-steel joint (1), steel reinforcement cage and long sand bag (4), the steel reinforcement cage comprises many vertical reinforcing bar (2) and horizontal reinforcing bar (3) cross connection, and one side groove and steel reinforcement cage end welded connection, opposite side cell wallboard end interval welding of I-steel joint (1) have couple (11), and long sand bag (4) are connected in II phase groove section sides of I-steel joint (1) through couple (11) and iron wire or tie up the rope.
2. The i-steel joint sand bag device according to claim 1, wherein: the long sand bag (4) is arranged along the length direction of the I-shaped steel joint (1), the length of the long sand bag is equal to that of the I-shaped steel joint (1), and the opening sectional area of the long sand bag is 1.5-2 times of that of the side groove of the I-shaped steel joint (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351536.6U CN209891187U (en) | 2019-03-20 | 2019-03-20 | I-shaped steel joint sand bag device for adjacent groove sections of cast-in-place diaphragm wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920351536.6U CN209891187U (en) | 2019-03-20 | 2019-03-20 | I-shaped steel joint sand bag device for adjacent groove sections of cast-in-place diaphragm wall |
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| Publication Number | Publication Date |
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| CN209891187U true CN209891187U (en) | 2020-01-03 |
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| CN201920351536.6U Active CN209891187U (en) | 2019-03-20 | 2019-03-20 | I-shaped steel joint sand bag device for adjacent groove sections of cast-in-place diaphragm wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778837A (en) * | 2019-03-20 | 2019-05-21 | 广东省源天工程有限公司 | Cast-in-place ground-connecting-wall adjacent slot section I-shaped steel joint sand pocket device and its application method |
| CN112392029A (en) * | 2020-11-20 | 2021-02-23 | 武汉盛士瑞建设工程有限公司 | Underground continuous wall and green construction process thereof |
-
2019
- 2019-03-20 CN CN201920351536.6U patent/CN209891187U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778837A (en) * | 2019-03-20 | 2019-05-21 | 广东省源天工程有限公司 | Cast-in-place ground-connecting-wall adjacent slot section I-shaped steel joint sand pocket device and its application method |
| CN112392029A (en) * | 2020-11-20 | 2021-02-23 | 武汉盛士瑞建设工程有限公司 | Underground continuous wall and green construction process thereof |
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