CN204199324U - Connecting reinforcement cage i iron in construction of diaphragm wall - Google Patents
Connecting reinforcement cage i iron in construction of diaphragm wall Download PDFInfo
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- CN204199324U CN204199324U CN201420536230.5U CN201420536230U CN204199324U CN 204199324 U CN204199324 U CN 204199324U CN 201420536230 U CN201420536230 U CN 201420536230U CN 204199324 U CN204199324 U CN 204199324U
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Abstract
The utility model relates to connecting reinforcement cage i iron in a kind of construction of diaphragm wall.Connecting reinforcement cage i iron in a kind of construction of diaphragm wall, it connects i iron primarily of one and forms; It is characterized in that: two angles of described connection i iron side are equipped with slip casting passage, each slip casting passage upper end is connected with Grouting Pipe, and lower end seals; Described slip casting passage is provided with multiple slurry discharging hole from top to bottom.By to slip casting in the slip casting passage of this i iron, after the second stage of groove section diaphragm wall is shaping, the soil streamed around concrete can be extruded, after condensation, form closed construction, stop the leaking of underground water, seep water, reach the object of joint sealing.
Description
Technical field
The utility model relates to connecting reinforcement cage i iron in a kind of construction of diaphragm wall.
Background technology
In reinforced concrete construction of diaphragm wall process, usually view picture diaphragm wall is divided into several one, the second stage of groove section (as shown in Figure 6), one, the second stage of groove section reinforcing cage (as shown in Figure 7, first phase groove reinforcing cage and the second stage of groove reinforcing cage) usually adopt I-shaped steel joint form to be connected, wherein I-shaped steel joint is generally the structure be made up of i iron and sheet iron, prevents concrete from streaming.
After the grooving of first phase groove section, under enter first phase groove reinforcing cage, in i iron groove, insert sand hill (being positioned at the second stage of groove side), unnecessary space tamped.But due to the space that sand parlor exists, first phase groove, when building, always has part concrete to stream (the second stage of groove side) in i iron groove, and is mingled with surrounding soil and is set in i iron groove inner surface; During second phase groove section construction, be difficult to thoroughly remove the concrete (namely streaming concrete) streaming after coagulation.The soil adhered to around this concrete is after diaphragm wall builds city wall, leak paths can be formed, when excavation of foundation pit, underground water under pressure, enter in foundation ditch from diaphragm wall outer leak paths, stream the accidents such as a formation is leaked, infiltration at concrete, deep pit monitor and surrounding buildings are threatened.
Summary of the invention
For above-mentioned technical problem, the purpose of this utility model is connecting reinforcement cage i iron in the construction of diaphragm wall providing a kind of structure simple, easy to use; By to slip casting in the slip casting passage of this i iron, after the second stage of groove section diaphragm wall is shaping, the soil streamed around concrete can be extruded, after condensation, form closed construction, stop the leaking of underground water, seep water, reach the object of joint sealing.
For achieving the above object, technical solution adopted in the utility model is:
Connecting reinforcement cage i iron in a kind of construction of diaphragm wall, it connects i iron primarily of one and forms; It is characterized in that: two angles of described connection i iron side are equipped with slip casting passage, each slip casting passage upper end is connected with Grouting Pipe, and lower end seals; Described slip casting passage is provided with multiple slurry discharging hole from top to bottom.
The angle of described connection i iron side is provided with bar steel plate, two sides of described bar steel plate are spent with the wing plate and web that are connected i iron respectively and are solderedly connect that jointly to form a cross section be leg-of-mutton slip casting passage, the lower end seal welding of its upper end and Grouting Pipe, its lower end is sealed by solder up plate; A slurry discharging hole is formed between every two adjacent flower weldering solder joints.
Described flower weldering solder joint is intensive from bottom to up.
The cross section of described slip casting passage is isosceles right triangle.
The beneficial effects of the utility model are: the utility model is welding one piece of bar steel plate inside connection i iron, form leg-of-mutton slip casting passage, bar steel plate spends soldered connecing with being connected to adopt between i iron, both ensured reliable fixing, the minimizing welding capacity of bar steel plate, the non-welding position self-assembling formation slurry discharging hole of flower weldering can have been utilized again.Build successfully at diaphragm wall, and after reaching some strength, slip casting is carried out by leg-of-mutton slip casting passage, slurries enter diaphragm wall one, the second stage of groove section seam areas, the soil streamed around concrete is extruded (or slurries are by soil splitting, mixing), form closed construction after condensation, stop the leaking of underground water, seep water, reach the object of joint sealing.And the utility model structure is simple, easy to use, with low cost, requirement on machining accuracy is not high, workable.Described flower weldering solder joint upper tightly lower sparse, can increase bottom grouting amount, the soil streamed around concrete can better be extruded, and the cross section of slip casting passage is designed to isosceles right triangle slip casting can be made more even.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present utility model.
Fig. 2 is the sectional perspective schematic diagram at the utility model slip casting passage place.
Fig. 3 is the close-up schematic view at slip casting passage place in Fig. 1.
Fig. 4 be in Fig. 3 A-A to schematic diagram.
Fig. 5 is using state schematic diagram of the present utility model.
Fig. 6 is first phase groove Construction State schematic diagram in prior art.
Fig. 7 is the second stage of groove Construction State schematic diagram in prior art.
In figure: 1-connects i iron; 2-bar steel plate; 3-Grouting Pipe; 4-hush panel; 5-flower weldering solder joint; 6-slip casting passage; 8-grouting pump; 9-streams concrete.
Detailed description of the invention
In order to better understand the technical solution of the utility model, below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
As Figure 1-5, connecting reinforcement cage i iron in construction of diaphragm wall, it connects i iron 1 primarily of one and forms; Described connection i iron 1(is positioned at the second stage of groove) two angles of side are equipped with slip casting passage 6, each slip casting passage 6 upper end is connected with Grouting Pipe 3(slip casting passage 6 and is connected with Grouting Pipe 3 junction is hermetically sealed), lower end seals; Described slip casting passage 6 is provided with multiple slurry discharging hole from top to bottom.
The angle of described connection i iron 1 side is provided with bar steel plate 2, two sides of described bar steel plate 2 are spent with the wing plate and web that are connected i iron 1 respectively and are solderedly connect that jointly to form a cross section be leg-of-mutton slip casting passage 6, the lower end seal welding of its upper end and Grouting Pipe 3, its lower end is sealed by solder up plate 4; A slurry discharging hole (namely referring to that flower welds the gap of non-welding position self-assembling formation) is formed between every two adjacent flower weldering solder joints 5.
Described flower weldering solder joint 5 is intensive (namely refer to that the spacing between adjacent flower weldering solder joint 5 is more and more less from bottom to up, namely the size of slurry discharging hole is more and more less from bottom to up) from bottom to up.
The cross section of described slip casting passage 6 is isosceles right triangle.
Using method of the present utility model:
1, connecting reinforcement cage i iron process in construction of diaphragm wall: connecting welding one piece of bar steel plate 2 inside i iron 1, form leg-of-mutton slip casting passage 6, bar steel plate 2 spends soldered connecing with being connected to adopt between i iron 1, utilizes the non-welding position self-assembling formation slurry discharging hole of flower weldering.Slip casting passage 6 upper weld Grouting Pipe 3, top Grouting Pipe 3 and slip casting passage 6 joint area answer full weld, mortar leakage prevention; Slip casting passage 6 bottom welding hush panel 4, carries out shutoff to bottom slip casting passage 6;
2, after the grooving of first phase groove section, transfer first phase groove reinforcing cage, take safeguard measure in first phase groove reinforcing cage decentralization process to Grouting Pipe 3, when preventing lower cage, top Grouting Pipe 3 produces distortion or fractures.Then usual technique is pressed at groove end emptying aperture position throwing sand bag, concreting.Slip casting passage 6 is entered for preventing the cement paste in concrete, solidify rear blocking slip casting passage 6, clean water with pressure or tap water can be passed in top Grouting Pipe 3 in concreting process, make to keep certain hydraulic pressure in slip casting passage 6, prevent slurries from entering condensation blocking slip casting passage 6;
3, after the grooving of the second stage of groove section, transfer the second stage of groove reinforcing cage, concreting, top Grouting Pipe 3 is access band setting-out equally, prevents slip casting passage 6 from blocking.Band pressure pipe should be removed after concreting completes;
4, the second stage of groove is built successfully, when concrete strength reaches about 75%, can access grouting pump 8 in top Grouting Pipe 3, check grouting pump 8 pressure meter, keep pressure meter working properly, accuracy of reading, and ensure that the proportioning, gelling time, denseness etc. of injecting paste material meet the requirements;
5, qualified joint judges: use grouting pump 8 to be pressed into cement paste or cement-sodium silicate slurry, if joint quality is good, the non-welding position of slip casting passage 6 all will be wrapped up by concrete, and solidify the slurry discharging hole of rear blocking slip casting passage 6, slurries cannot extrude.Now can judge by observing grouting pump gage pressure, as pressure gauge reading rises very fast, can slip casting be stopped after exceeding about 3Mpa, in order to avoid damage equipment.Observe about 5 minutes, slip casting again, as pressure still rapidly increases to 3Mpa, can judge that this joint quality is qualified;
6, to leak the process of joint: as in mud jacking process, pressure gauge reading remains on lower pressure always, can judge that this joint has and stream phenomenon, should pay close attention to grouting amount and grouting pressure, continues to inject slurries.If inject slurries time longer pressure gauge reading significantly to rise not yet, water glass content in slurries should be strengthened, to accelerate the grout cures time.If pressure is without rising appreciably, stopping slip casting about 1 hour, after slurries condensation to be implanted, again starting grouting pump 8 and injecting slurries.As pressure rises not yet, can extend the stand-by period, the soil of joint leakage point place (namely streaming concrete 9 place) several times, can be discharged or be mixed with slurries by soil, form effective water-stopping structure by repeatedly slip-casting or stopping;
7, for reducing mud jacking engineering quantity, also can after excavation of foundation pit, only to the joint slip casting finding to leak, seep water.After the joint leakage point found, first use backfilling of earthwork, mud jacking is targetedly carried out to this joint, also can reach satisfied stagnant water effect.
Claims (4)
1. a connecting reinforcement cage i iron in construction of diaphragm wall, it connects i iron (1) primarily of one and forms; It is characterized in that: two angles of described connection i iron (1) side are equipped with slip casting passage (6), each slip casting passage (6) upper end is connected with Grouting Pipe (3), and lower end seals; Described slip casting passage (6) is provided with multiple slurry discharging hole from top to bottom.
2. connecting reinforcement cage i iron in construction of diaphragm wall according to claim 1, it is characterized in that: the angle of described connection i iron (1) side is provided with bar steel plate (2), two sides of described bar steel plate (2) are spent with the wing plate and web that are connected i iron (1) respectively and are solderedly connect that jointly to form a cross section be leg-of-mutton slip casting passage (6), the lower end seal welding of its upper end and Grouting Pipe (3), its lower end is by solder up plate (4) sealing; A slurry discharging hole is formed between every two adjacent flowers weldering solder joint (5).
3. connecting reinforcement cage i iron in construction of diaphragm wall according to claim 2, is characterized in that: described flower weldering solder joint (5) is intensive from bottom to up.
4. connecting reinforcement cage i iron in construction of diaphragm wall according to claim 2, is characterized in that: the cross section of described slip casting passage (6) is isosceles right triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536230.5U CN204199324U (en) | 2014-09-17 | 2014-09-17 | Connecting reinforcement cage i iron in construction of diaphragm wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420536230.5U CN204199324U (en) | 2014-09-17 | 2014-09-17 | Connecting reinforcement cage i iron in construction of diaphragm wall |
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| CN204199324U true CN204199324U (en) | 2015-03-11 |
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| CN201420536230.5U Active CN204199324U (en) | 2014-09-17 | 2014-09-17 | Connecting reinforcement cage i iron in construction of diaphragm wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220683A (en) * | 2015-10-27 | 2016-01-06 | 中国一冶集团有限公司 | A kind of I-shaped steel joint formula diaphragm wall streams treating apparatus and method |
| CN108487233A (en) * | 2018-03-26 | 2018-09-04 | 江苏华东建设基础工程有限公司 | Construction method of underground continuous wall with I-shaped steel joint |
-
2014
- 2014-09-17 CN CN201420536230.5U patent/CN204199324U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105220683A (en) * | 2015-10-27 | 2016-01-06 | 中国一冶集团有限公司 | A kind of I-shaped steel joint formula diaphragm wall streams treating apparatus and method |
| CN105220683B (en) * | 2015-10-27 | 2018-06-19 | 中国一冶集团有限公司 | A kind of I-shaped steel joint formula diaphram wall is around current processing device and method |
| CN108487233A (en) * | 2018-03-26 | 2018-09-04 | 江苏华东建设基础工程有限公司 | Construction method of underground continuous wall with I-shaped steel joint |
| CN108487233B (en) * | 2018-03-26 | 2020-09-25 | 江苏华东建设基础工程有限公司 | Construction method of underground continuous wall with I-shaped steel joint |
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