CN205224015U - Precast underground continuous wall of pre -buried I -steel - Google Patents
Precast underground continuous wall of pre -buried I -steel Download PDFInfo
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- CN205224015U CN205224015U CN201520959170.2U CN201520959170U CN205224015U CN 205224015 U CN205224015 U CN 205224015U CN 201520959170 U CN201520959170 U CN 201520959170U CN 205224015 U CN205224015 U CN 205224015U
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Abstract
The utility model relates to a precast underground continuous wall of pre -buried I -steel, the vertical concatenation of wall forms the basement outer wall or the foundation ditch is not gone along with sb. To guard him through linking with other ground, precast underground continuous wall of pre -buried I -steel's one end tip inboard set up the breach, make this end tip outside of this precast underground continuous wall form handle of a knife structure, breach department bury the I -steel in advance underground. The utility model discloses can effectively increase the bearing capacity and the intensity of splicing combination department, reduce to splice the infiltration of combination department, guarantee construction quality, the reduction of erection time.
Description
Technical field
The utility model relates to a kind of coercion underground continuous wall, specifically refers to a kind of coercion underground continuous wall of pre-buried i iron, is particularly useful for by being vertically spliced to form outer wall of basement or bracing of foundation pit with other ground-connecting-walls.
Background technology
In prior art, the construction method of diaphragm wall is based on cast in situs, and the utilization of coercion underground continuous wall is then considerably less.The cast in situs diaphragm wall that current routine adopts carries out in the method for constructing, and construction joint adopts locking notch pipe joint, very easily causes cell wall cave in during grooving, and during disturbing concrete also easily generation stream phenomenon.Therefore, need the result and construction method that propose a kind of novel diaphragm wall at present badly, to solve defect existing in prior art and restriction.
Utility model content
The purpose of this utility model is the coercion underground continuous wall proposing a kind of pre-buried i iron, effectively can increase supporting capacity and the intensity of splicing junction, reduce the infiltration of splicing junction, ensure construction quality, the reduction of erection time.
To achieve these goals, the utility model provides a kind of coercion underground continuous wall of pre-buried i iron, by being vertically spliced to form outer wall of basement or bracing of foundation pit with other ground-connecting-walls, one end tip inside of the coercion underground continuous wall of described pre-buried i iron offers breach, makes to form cutter handle structure outside this end end of this coercion underground continuous wall; At described indentation, there pre-plugged i iron.
One end of described i iron is embedded in coercion underground continuous wall, is positioned at wall thickness medium position, and the other end is stretched out by the indentation, there of coercion underground continuous wall.
The arranged outside of described coercion underground continuous wall has vertical reinforcement outside ground-connecting-wall, and its end, one end is bent by cutter handle structure stretches out; The inner side of this coercion underground continuous wall is provided with vertical reinforcement inside ground-connecting-wall, and its end, one end is vertically stretched out by inner side.
The breach interior surface of described coercion underground continuous wall carries out frosting treatment, forms frosted face.
When described coercion underground continuous wall and other ground-connecting-walls vertically splice, it is arranged on the top of other ground-connecting-walls, and cutter handle structure is by basement arranged outside, and breach is arranged by inside basement.
Described i iron stretches out the end of coercion underground continuous wall and other ground-connecting-walls by being welded to connect.
The coercion underground continuous wall of pre-buried i iron provided by the utility model, effectively can increase supporting capacity and the intensity of splicing junction, increase groundwater seepage path, reduce the infiltration of splicing junction, be conducive to coercion underground continuous wall not do all the other process and can directly use as outer wall of basement, effectively ensure construction quality, the reduction of erection time, there are good economic benefits, be beneficial to and promote and use.
Accompanying drawing explanation
Fig. 1 is the side schematic view of the splicing construction that the coercion underground continuous wall in the utility model vertically connects;
Fig. 2 is the front schematic view of the splicing construction that the coercion underground continuous wall in the utility model vertically connects;
Fig. 3 is the sectional schematic diagram of the coercion underground continuous wall in the utility model;
Fig. 4 is the sectional schematic diagram of the in-site installation coercion underground continuous wall in the utility model;
Fig. 5 is the schematic diagram after the coercion underground continuous wall in the utility model installs.
Detailed description of the invention
Below in conjunction with Fig. 1 ~ Fig. 5, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 3, be the coercion underground continuous wall 10 of pre-buried i iron provided by the utility model, its one end tip inside offers the first breach, makes to form the first cutter handle structure 11 outside this end end of this coercion underground continuous wall 10; At the first described indentation, there pre-plugged i iron 12.
One end of described i iron 12 is embedded in coercion underground continuous wall 10, be positioned at wall thickness medium position, and the depth of burying is more than or equal to 100mm; The other end is stretched out by the first indentation, there of coercion underground continuous wall 10, arranges shearing resistance and Compressive Bearing Capacity that i iron 12 can increase Nodes.
As shown in Figure 1, the arranged outside of described coercion underground continuous wall 10 has vertical reinforcement 17 outside the first ground-connecting-wall, and its end, one end is bent by the first cutter handle structure 11 stretches out; The inner side of this coercion underground continuous wall 10 is provided with vertical reinforcement 18 inside the first ground-connecting-wall, and its end, one end is vertically stretched out by the first inner side.
The interior surface of the first breach of described coercion underground continuous wall 10 carries out frosting treatment, forms the first frosted face 16.
In the present embodiment, provide other ground-connecting-walls 20 of a kind of pre-embedded steel slab, as shown in Figure 1, one end tip inside of these other ground-connecting-walls 20 offers the second breach, makes to form the second cutter handle structure 21 outside this end end of these other ground-connecting-walls 20; At the second described indentation, there pre-plugged steel plate 24.
Described steel plate 24 is horizontally embedded in other ground-connecting-walls 20, and the upper surface of this steel plate 24 is exposed by the second indentation, there of other ground-connecting-walls 20, and be connected with the welding edges of the i iron 12 stretched out by coercion underground continuous wall 10, ensure the jointly stressed of two pieces of diaphragm walls.
Go back pre-plugged in other described ground-connecting-walls 20 and have some bearing bars 23, be all vertically arranged on the below of described steel plate 24, and every one end of root bearing bar 23 and the soffit of steel plate 24 are welded to connect, the pulling force that may occur is born in its effect.
As shown in Figure 1, the arranged outside of other described ground-connecting-walls 20 has vertical reinforcement 27 outside the second ground-connecting-wall, and its end, one end is bent by the second cutter handle structure 21 stretches out; The inner side of these other ground-connecting-walls 20 is provided with vertical reinforcement 28 inside the second ground-connecting-wall, and its end, one end is vertically stretched out by the second inner side.
The interior surface of the second breach of other described ground-connecting-walls 20 carries out frosting treatment, forms the second frosted face 26.
As depicted in figs. 1 and 2, be the splicing construction that coercion underground continuous wall provided by the utility model vertically connects, for the splicing of diaphragm wall as bracing of foundation pit and outer wall of basement.When described coercion underground continuous wall 10 is vertically connected with other ground-connecting-walls 20, coercion underground continuous wall 10 is arranged on the top of other ground-connecting-walls 20, and the first cutter handle structure 11 is aimed at and contacted the second cutter handle structure 21, first notch alignment second breach.Further, as shown in Figure 4, the first cutter handle structure 11 and the second cutter handle structure 21 are all by 60 settings outside basement, and the first breach and the second breach are all by 50 settings inside basement.
As shown in Figure 1, vertical reinforcement 27 cross-lapping outside vertical reinforcement 17 and the second ground-connecting-wall outside first ground-connecting-wall, vertical reinforcement 18 and the parallel overlap joint of vertical reinforcement 28 inside the second ground-connecting-wall inside first ground-connecting-wall, because two pieces of diaphragm walls are in splicing junction physical presence moment of flexure, interior outside reinforcing bar is overlapped respectively the bending resistance and waterproof ability that can strengthen splicing junction.
As shown in Figure 5, after described coercion underground continuous wall 10 is vertically connected with other ground-connecting-walls 20, at the inner concreting 30 of the first breach and the second breach to tamp, and the strength grade of the concrete 30 of building is not less than the strength grade of coercion underground continuous wall 10 and other ground-connecting-walls 20.Because the first breach is inner and frosting treatment has all been carried out in the second breach inside, therefore, it is possible to guarantee coercion underground continuous wall 10, can effectively be combined between other ground-connecting-wall 20 and the concrete 30 of newly building.
In the utility model, the end of coercion underground continuous wall and other ground-connecting-walls is set to cutter handle structure, mainly because: vertical connect two pieces of diaphragm walls time, two cutter handle structures can be contacted using as fulcrum during lifting, thus be convenient to the assembled of two pieces of diaphragm walls.If do not have fulcrum, that block coercion underground continuous wall being positioned at top can rock when lifting, thus is difficult to realize the assembled combination between other ground-connecting-walls of below.
In the utility model, the coercion underground continuous wall being embedded with i iron is arranged on top, mainly because: when i iron and Plate Welding, workman can be facilitated to construct, and adopt the mode of downhand welding, welding quality is more easily guaranteed.
In the utility model, first breach and the second breach are arranged by inside basement, mainly because: inside 1, facilitating workman's basement on construction ground, the construction operations such as concreting are carried out in place because usually descend the comparatively narrow and small anxiety in place, outside, be not easy to construct; 2, owing to being in the field range of people inside basement, require higher to wall leveling degree, therefore any excess concrete remaining in surface of wall in the first breach and the second breach during concreting needs to cut, thus guarantee degree of plainness for wall surface, and breach is arranged by inside basement, namely be convenient to any excess concrete that workman cuts surface of wall, guarantee and realize the performance of good wall leveling degree; 3, inside basement, place may also need to arrange concrete floor, therefore can realize the concrete of diaphragm wall together with floorslab concrete monobloc cast.
The coercion underground continuous wall 10 of pre-buried i iron provided by the utility model, carries out vertical method of splicing with other ground-connecting-walls 20, specifically comprises following steps:
S1, as shown in Figure 3, make coercion underground continuous wall 10, its one end tip inside offers the first breach, makes to form the first cutter handle structure 11 outside this end end of this coercion underground continuous wall 10, at the first described indentation, there pre-plugged i iron 12;
S2, as shown in Figure 1, make other ground-connecting-walls 20, its one end tip inside offers the second breach, makes to form the second cutter handle structure 21 outside this end end of these other ground-connecting-walls 20, at the second described indentation, there pre-plugged steel plate 24;
S3, dig diaphragm wall first groove section at the top at basement construction scene; Diaphragm wall second groove section is dug in the bottom at basement construction scene;
S4, as shown in Figure 4, coercion underground continuous wall 10 is lifted in diaphragm wall first groove section, other ground-connecting-walls 20 is placed in diaphragm wall second groove section, using as bracing of foundation pit wall; And the first cutter handle structure 11 is aimed at and is contacted the second cutter handle structure 21, first notch alignment second breach;
S5, as shown in Figure 5, is welded to connect i iron 12 and steel plate 24, and in the first breach and the second breach concreting 30 to tamp.
In described S4, during hoisting prefabricated diaphragm wall 10, by the first cutter handle structure 11 by 60 settings outside basement, the first breach is by 50 settings inside basement; When placing other ground-connecting-walls 20, by the second cutter handle structure 21 by 60 settings outside basement, the second breach is by 50 settings inside basement; By vertical reinforcement 27 cross-lapping outside vertical reinforcement outside the first ground-connecting-wall 17 and the second ground-connecting-wall, vertical reinforcement 18 and the parallel overlap joint of vertical reinforcement 28 inside the second ground-connecting-wall inside the first ground-connecting-wall.
The coercion underground continuous wall of pre-buried i iron provided by the utility model, effectively can increase supporting capacity and the intensity of splicing junction, because increasing groundwater seepage path, the infiltration of splicing junction can be reduced, be conducive to coercion underground continuous wall not do all the other process and can directly use as outer wall of basement, effectively ensure construction quality, the reduction of erection time, there are good economic benefits, be beneficial to and promote and use.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model, protection domain of the present utility model should be limited to the appended claims.
Claims (6)
1. a coercion underground continuous wall for pre-buried i iron, by being vertically spliced to form outer wall of basement or bracing of foundation pit with ground-connecting-wall, is characterized in that:
One end tip inside of the coercion underground continuous wall (10) of described pre-buried i iron offers breach, makes to form cutter handle structure (11) outside this end end of this coercion underground continuous wall (10);
At described indentation, there pre-plugged i iron (12).
2. the coercion underground continuous wall of pre-buried i iron as claimed in claim 1, it is characterized in that, one end of described i iron (12) is embedded in coercion underground continuous wall (10), and be positioned at wall thickness medium position, the other end is stretched out by the indentation, there of coercion underground continuous wall (10).
3. the coercion underground continuous wall of pre-buried i iron as claimed in claim 1, is characterized in that, the arranged outside of described coercion underground continuous wall (10) has vertical reinforcement outside ground-connecting-wall (17), and its end, one end is bent by cutter handle structure (11) stretches out;
The inner side of described coercion underground continuous wall (10) is provided with vertical reinforcement inside ground-connecting-wall (18), and its end, one end is vertically stretched out by inner side.
4. the coercion underground continuous wall of pre-buried i iron as claimed in claim 1, is characterized in that, the breach interior surface of described coercion underground continuous wall (10) carries out frosting treatment, forms frosted face (16).
5. the coercion underground continuous wall of pre-buried i iron as claimed in claim 1, it is characterized in that, when described coercion underground continuous wall (10) and ground-connecting-wall (20) vertically splice, it is arranged on the top of ground-connecting-wall (20), and cutter handle structure (11) is arranged by (60) outside basement, breach is arranged by (50) inside basement.
6. the coercion underground continuous wall of pre-buried i iron as claimed in claim 1, is characterized in that, described i iron (12) stretches out the end of coercion underground continuous wall (10) and ground-connecting-wall (20) by being welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959170.2U CN205224015U (en) | 2015-11-27 | 2015-11-27 | Precast underground continuous wall of pre -buried I -steel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520959170.2U CN205224015U (en) | 2015-11-27 | 2015-11-27 | Precast underground continuous wall of pre -buried I -steel |
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| CN205224015U true CN205224015U (en) | 2016-05-11 |
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| CN201520959170.2U Active CN205224015U (en) | 2015-11-27 | 2015-11-27 | Precast underground continuous wall of pre -buried I -steel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939138A (en) * | 2019-12-11 | 2020-03-31 | 中铁第四勘察设计院集团有限公司 | Underground diaphragm wall subassembly |
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2015
- 2015-11-27 CN CN201520959170.2U patent/CN205224015U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939138A (en) * | 2019-12-11 | 2020-03-31 | 中铁第四勘察设计院集团有限公司 | Underground diaphragm wall subassembly |
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