CN204940246U - A kind of horizontal-top pushing compact form coercion underground continuous wall system - Google Patents
A kind of horizontal-top pushing compact form coercion underground continuous wall system Download PDFInfo
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- CN204940246U CN204940246U CN201520666196.8U CN201520666196U CN204940246U CN 204940246 U CN204940246 U CN 204940246U CN 201520666196 U CN201520666196 U CN 201520666196U CN 204940246 U CN204940246 U CN 204940246U
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Abstract
A kind of horizontal-top pushing compact form coercion underground continuous wall system, be placed in the groove section excavated, comprise one group by the diaphragm wall inserting wall width and be spliced about being inserted into wall width and ground-connecting-wall split unit, the front end of the two sides of plush copper is arranged with about at least two middle part expansion water-stop positive stop strips elongated, restriction plush copper inserts the degree of depth in groove, split sunny side and the split back, near the corresponding position of wall width external surface, are arranged with about at least two elongated edge expansion water-stop connection straps separately.The utility model arranges the measure of waterproof seal strip joint between the prefabricated diaphragm wall body of wall of adjacent two panels, improve existing prefabricated ground-connecting-wall in the concrete form of seam crossing after-pouring, save concrete curing time, can effectively improve construction of diaphragm wall efficiency, reduce the duration of a project.
Description
Technical field
The utility model belongs to building underground and goes along with sb. to guard him construction field, particularly relate to that a kind of underground can use in underground space space enclosing structure, can be used as the horizontal-top pushing compact form coercion underground continuous wall system of underground space retaining wall structure, waterproof construction and vertical bearing structure.
Background technology
Along with the develop rapidly of economy and improving constantly of the urbanization level, urban issues becomes increasingly conspicuous, and as densely populated, congested in traffic, resource exhaustion, area deficiency, land price can be utilized surging.Using underground space configuration urban infrastructure is the effective way fundamentally solving issues about the cities' development.At present, what underground space space enclosing structure was the most frequently used is diaphragm wall.
But, because Cast-in-situs type diaphragm wall pours under water, inevitably there is some defects and disadvantage.
One, wait for that concrete setting causes claim for eot
Cast-in-place diaphragm wall is as underground large-sized concrete supporting and protection structure, soil excavation needs wait for diaphragm wall concrete setting and can construct further after reaching some strength, and urban underground space construction requirements is tried one's best the reduction of erection time, cast-in-place ground-connecting-wall does not obviously meet the rapid construction requirement that urban underground space is built.
When two, building, quality not easily ensures
During the underwater casting of ground-connecting-wall, concrete easily presss from both sides mud, during descending reinforcing cage, reinforcing bar is stained with mud, and reduce concrete reinforcement bond stress, wall body difficult quality guarantee, and the random infiltration easily causing metope, this is a cast-in-place ground-connecting-wall insurmountable difficult problem always.
Three, in soft stratum, degree of plainness for wall surface is wayward
When soil layer weakness or layer of sand, if mud conditioning is improper, there is problem of caving in cell wall, commonly metope has evagination phenomenon, and degree of plainness for wall surface is difficult to the problems such as control.
Existing also exist the example that some adopt prefabricated ground-connecting-wall, some defects above can be avoided, but the use of current prefabricated ground-connecting-wall is extensive, the stagnant water effect of the seam between its chief reason or two panels body of wall is bad, and the connection effect of body of wall seam is difficult to be guaranteed.
Utility model content
The purpose of this utility model is to provide a kind of horizontal-top pushing compact form coercion underground continuous wall system, solve cast-in-place ground-connecting-wall and exist and wait for that concrete setting causes claim for eot, quality not easily ensures and the uppity technical problem of degree of plainness for wall surface in soft stratum when building.
For achieving the above object, the utility model adopts following technical scheme:
A kind of horizontal-top pushing compact form coercion underground continuous wall system, be placed in the groove section excavated, comprise one group by the diaphragm wall inserting wall width and be spliced about being inserted into wall width and ground-connecting-wall split unit, the middle part of its right end face of every sheet wall width is provided with the split sunny side of groove elongated up and down and both sides, the left end face of every sheet wall width be provided with plush copper that is elongated, that match with groove and split sunny side and the split back up and down; The front end of the two sides of described plush copper is arranged with about at least two middle part expansion water-stop positive stop strips elongated, restriction plush copper inserts the degree of depth in groove, described split sunny side and the split back, near the corresponding position of wall width external surface, are arranged with about at least two elongated edge expansion water-stop connection straps separately;
Described ground-connecting-wall split unit is ground-connecting-wall thrustor, be located at the groove side near being inserted into wall width, by the counter-force that the groove section soil body at device back provides, ground-connecting-wall thrustor makes to be inserted into wall width and extrudes closely with the middle part expansion water-stop positive stop strip of the stitching portion of inserting wall width, is inserted into the end face of the plush copper of wall width, the groove inserting wall width and middle part expansion water-stop positive stop strip simultaneously and forms closed middle part slip casting cavity;
By the counter-force that the groove section soil body at device back provides, ground-connecting-wall thrustor makes split sunny side be connected with the edge expansion water-stop connection strap contact on the split back, and while has inserted the split sunny side of wall width, the split back being inserted into wall width and edge expansion water-stop connection strap and forms two closed edge slip casting cavitys respectively.
Described ground-connecting-wall thrustor comprise with wall width with on the left of high horizontal pushing tow reaction frame and the support body being connected to this horizontal pushing tow reaction frame, vertical with wall width and along one group of the setting in column of support body short transverse jack under water, described horizontal pushing tow reaction frame and the distance be inserted between wall width are no more than the pushing tow stroke of jack under water.
The pushing tow position of described jack is under water the bottom surface of the groove being inserted into wall width.
Grouting pipe at the bottom of the wall that at least twice are vertically elongated is embedded with in described wall width.
Compared with prior art the utility model has following characteristics and beneficial effect:
One, the utility model is by arranging ground-connecting-wall thrustor in the groove side being inserted into wall width, rely on the jacking force of jack under water to make two panels wall width compress close by middle part expansion water-stop positive stop strip and edge expansion water-stop connection strap top, when effectively avoiding insertion second wall width, two walls are difficult to compact siro spinning technology thus the ground water seepage problem that may cause.
Two, the utility model arranges the measure of waterproof seal strip joint between the prefabricated diaphragm wall body of wall of adjacent two panels, improve existing prefabricated ground-connecting-wall in the concrete form of seam crossing after-pouring, save concrete curing time, can effectively improve construction of diaphragm wall efficiency, reduce the duration of a project.
Three, the water expandable waterstop adaptivity water joint measure in the utility model, by water swelling, reaches stagnant water effect, ensures the reliability of joint waterproofing, reduces gushing water in Excavation Process and to dash forward mud accident occurrence probability, improve the quality of construction.
Four, the utility model also forms middle part slip casting cavity and edge slip casting cavity in joint, and in cavity, slip casting is to connect two panels wall width, the performance of further reinforced joint waterproof.
Five, various ground-connecting-wall flat shape can be realized by the working special-shaped ground-connecting-wall that is prefabricated in the factory, and do not need the measure of other design specialized groove end joint, the scope of application is extremely wide.
Six, the utility model is the prefabricated diaphragm wall of flush type, can strengthen body of wall vertical bearing capacity by bottom slip casting measure, can use, reach the application target of Two walls unite as one as underground space enclosed structure and basement interior wall.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the perspective view of the utility model structure.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is the partial enlarged drawing of connector in Fig. 2.
Fig. 4 is the perspective view in Fig. 1 after jack boosting under water.
Fig. 5 is the partial enlarged drawing of connector in Fig. 4.
Fig. 6 is the structural representation that the utility model structure is in groove section.
Reference numeral: 1-has inserted wall width, 2-is inserted into wall width, 3-plush copper, 4-groove, 5-ground-connecting-wall thrustor, the horizontal pushing tow reaction frame of 5.1-, 5.2-in the middle part of expansion water-stop positive stop strip, 7-, at the bottom of slip casting cavity, 8-wall, grouting pipe, 9-split sunny side, the 10-split back, 11-edge expansion water-stop connection strap, 12-edge slip casting cavity, 13-have excavated in the middle part of jack, 6-under water groove section, the 14-groove section soil body.
Detailed description of the invention
Embodiment is see shown in Fig. 1-6, a kind of horizontal-top pushing compact form coercion underground continuous wall system, be placed in the groove section 13 excavated, comprise one group by inserting wall 1 and being inserted into wall about 2 diaphragm walls be spliced and ground-connecting-wall split unit, the middle part of its right end face of every sheet wall width is provided with groove 4 elongated up and down and the split sunny side 9 of both sides, the left end face of every sheet wall width be provided with plush copper 3 that is elongated, that match with groove 4 and split sunny side 9 and the split back 10 up and down; The front end of the two sides of described plush copper 3 is arranged with about at least two middle part expansion water-stop positive stop strips 6 elongated, restriction plush copper 3 inserts the degree of depth in groove 4, described split sunny side 9 and the split back 10, near the corresponding position of wall width external surface, are arranged with about at least two elongated edge expansion water-stop connection straps 11 separately;
Described ground-connecting-wall split unit is ground-connecting-wall thrustor 5, be located at groove 4 side near being inserted into wall 2, by the counter-force that the groove section soil body at device back provides, ground-connecting-wall thrustor 5 makes to be inserted into wall 2 and extrudes closely with the middle part expansion water-stop positive stop strip 6 of the stitching portion of having inserted wall 1, is inserted into the end face of the plush copper 3 of wall 2, the groove 4 inserting wall 1 and middle part expansion water-stop positive stop strip 6 simultaneously and forms closed middle part slip casting cavity 7;
By the counter-force that the groove section soil body at device back provides, ground-connecting-wall thrustor 5 makes split sunny side 9 be connected with edge expansion water-stop connection strap 11 contact on the split back 10, and while has inserted the split sunny side 9 of wall 1, the split back 10 being inserted into wall 2 and edge expansion water-stop connection strap 11 and forms two closed edge slip casting cavitys 12 respectively.
Described ground-connecting-wall thrustor 5 comprise with wall width with on the left of high horizontal pushing tow reaction frame 5.1 and the support body being connected to this horizontal pushing tow reaction frame 5.1, vertical with wall width and along one group of the setting in column of support body short transverse jack 5.2 under water, described horizontal pushing tow reaction frame 5.1 and the distance be inserted between wall 2 are no more than the pushing tow stroke of jack under water.
The pushing tow position of described jack under water 5.2 is the bottom surface of the groove 4 being inserted into wall width.
Grouting pipe 8 at the bottom of the wall that at least twice are vertically elongated is embedded with in described wall width.
In the present embodiment, the thickness of water-stop glue bar can be 2cm, and width can be 3cm.
The construction method of this horizontal-top pushing compact form coercion underground continuous wall system, construction sequence is as follows:
Step one, uses the wall width of template prefabricated reinforced concrete in factory, the strict dimensional tolerance controlling wall body built-in fitting and wallboard, and externally bleed-out component does antirust treatment; In wall width and wall width, built-in fitting ensures certain machining accuracy, makes plush copper 3 easier can embed groove 4 position of adjacent wall board; Grouting pipe 8 at the bottom of wall is imbedded in wall width inside, and antirust treatment is done to grouting pipe at the bottom of wall 8, prefabricated wall width is transported to construction plant, described wall width can be pre-buried in body of wall bolt sleeve, the hoisting transportation that sleeve connection suspension ring can facilitate wall width vertical and horizontal, water-swellable watertight seal notes waterproof and touching in processing or transportation, lengthening flat car is used by wall width to be transported to construction plant, ensure in transportation that dry wall is injury-free, bracket and steel-wire fastener can be used if desired to fix.
Step 2, uses grab bucket or other groovers to soil excavation grooving, and the length of fluting and width are slightly larger than the length of monolithic wall width and width, and it is levelling to spread one deck rubble at bottom land.
Step 3, crane is used to be sling a slice wall width the groove section 13 transferred to having excavated by hoisting ring, need in decentralization process to ensure certain mud level, ensure the position stability of mud liquid level, ensure the soil stabilization of mud off gutter section, avoid caving in of sidewall occurs, prevent soil body collapse hole in groove, measured by level gauge in decentralization process and adjust prefabricated ground-connecting-wall verticality; First wall width becomes and inserts wall 1.
Step 4, grab bucket or groove 4 side that other groovers are inserting wall 1 is used to continue fluting, the width of slotting is slightly larger than the width of monolithic wall width, the length of fluting is greater than the length of monolithic wall width and the length sum of horizontal pushing tow reaction frame, and ensure that the pushing tow length of jack is under water within its stroke, spread one deck rubble at bottom land levelling simultaneously.
Step 5, crane is used namely to be inserted into wall 2 by ground-connecting-wall hoisting ring another sheet wall width of slinging, transfer in the groove section that to continue to slot to step 4, by the plush copper being inserted into wall 2 from top to bottom or be on close level and insert the groove 4 of wall 1, the front end of plush copper 3 is inserted within groove 4, the middle part expansion water-stop positive stop strip 6 now having inserted wall 1 just contacts with the inwall of the groove 4 being inserted into wall 2, sealing adhesive tape contacts but does not apply horizontal-top thrust, measured by level gauge in decentralization process and adjust prefabricated ground-connecting-wall verticality, insert from groove in decentralization process and ensure certain mud level.
Step 6, makes ground-connecting-wall thrustor.
Step 7, ground-connecting-wall thrustor 5 is transferred in lifting, makes the back of horizontal pushing tow reaction frame 5.1 withstand cell wall, and to rely on cell wall soil pressure to provide counter-force, jack 5.2 pushing tow that boosts is inserted into wall 2 and slowly moves to inserting wall 1 under water.
Step 8, after pushing tow distance reaches slip casting cavity 7 in the middle part of the middle part expansion water-stop positive stop strip 6 jam-packed formation making two panels wall width seam crossing, edge expansion water-stop positive stop strip 11 contact formation edge slip casting cavity 12, jack 5.2 pressure release under water, hangs away ground-connecting-wall thrustor 5; Middle part expansion water-stop positive stop strip crimp forms extruding force.
Step 9, by carrying out slip casting bottom the 8 pairs of wall width of grouting pipe at the bottom of wall, makes the bottom of wall width be fixedly connected with the bottom land soil body.
Step 10, after two panels wall web stabilization, to inserting wall 1 and being inserted into injected clear water displacement mud wherein in the middle part slip casting cavity 7 between wall 2.
Step 11, by inserting Grouting Pipe in middle part slip casting cavity 7, carries out slip casting to middle part slip casting cavity 7.
Step 12, repeats above 5th step to the 11 step and completes follow-up 3rd construction to N sheet wall width piecewise, uses perpendicular type abnormal shape can assemble flush type diaphragm wall realize the construction of prefabricated ground-connecting-wall at right angle corner place.
Step 13, injected clear water displacement mud wherein in the edge slip casting cavity 12 inserting wall 1 and be inserted into wall 2, avoids forming mud skin at water-swellable adhesive tape surface, affects soaking effect.
Step 14, by inserting Grouting Pipe in edge slip casting cavity 12, carries out slip casting to edge slip casting cavity 12 and the space between body of wall periphery and cell wall, and adjacent two panels wall width is fixedly connected with.
Step 15, repeating the 12 step to the is 14 steps until complete the construction of ground-connecting-wall.
Content described in this manual embodiment is only enumerating the way of realization that utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (4)
1. a horizontal-top pushing compact form coercion underground continuous wall system, be placed in the groove section (13) excavated, comprise one group by inserting wall width (1) and being inserted into wall width (2) diaphragm wall that is spliced of left and right and ground-connecting-wall split unit, the middle part of its right end face of every sheet wall width is provided with groove (4) elongated up and down and the split sunny side (9) of both sides, the left end face of every sheet wall width be provided with plush copper (3) that is elongated, that match with groove (4) and split sunny side (9) and the split back (10) up and down; It is characterized in that: the front end of the two sides of described plush copper (3) is arranged with about at least two middle parts expansion water-stop positive stop strip (6) elongated, groove (4) the interior degree of depth is inserted in restriction plush copper (3), described split sunny side (9) and the split back (10), near the corresponding position of wall width external surface, are arranged with about at least two elongated edge expansion water-stop connection straps (11) separately;
Described ground-connecting-wall split unit is ground-connecting-wall thrustor (5), be located at groove (4) side near being inserted into wall width (2), by the counter-force that the groove section soil body at device back provides, ground-connecting-wall thrustor (5) makes to be inserted into wall width (2) and extrudes closely with middle part expansion water-stop positive stop strip (6) of the stitching portion of inserting wall width (1), and the end face being simultaneously inserted into the plush copper (3) of wall width (2), the groove (4) inserting wall width (1) and middle part expansion water-stop positive stop strip (6) form the middle part slip casting cavity (7) closed;
By the counter-force that the groove section soil body at device back provides, ground-connecting-wall thrustor (5) makes split sunny side (9) be connected with edge expansion water-stop connection strap (11) contact on the split back (10), and while has inserted the split sunny side (9) of wall width (1), the split back (10) being inserted into wall width (2) and edge expansion water-stop connection strap (11) and forms two closed edge slip casting cavitys (12) respectively.
2. a kind of horizontal-top pushing compact form coercion underground continuous wall system according to claim 1, it is characterized in that: described ground-connecting-wall thrustor (5) comprise with wall width with on the left of high horizontal pushing tow reaction frame (5.1) and the support body being connected to this horizontal pushing tow reaction frame (5.1), vertical with wall width and along one group of the setting in column of support body short transverse jack (5.2) under water, described horizontal pushing tow reaction frame (5.1) and the distance be inserted between wall width (2) are no more than the pushing tow stroke of jack under water.
3. a kind of horizontal-top pushing compact form coercion underground continuous wall system according to claim 2, is characterized in that: the pushing tow position of described jack under water (5.2) is the bottom surface of the groove (4) being inserted into wall width.
4. a kind of horizontal-top pushing compact form coercion underground continuous wall system according to claim 1, is characterized in that: be embedded with grouting pipe (8) at the bottom of the wall that at least twice are vertically elongated in described wall width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666196.8U CN204940246U (en) | 2015-08-31 | 2015-08-31 | A kind of horizontal-top pushing compact form coercion underground continuous wall system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520666196.8U CN204940246U (en) | 2015-08-31 | 2015-08-31 | A kind of horizontal-top pushing compact form coercion underground continuous wall system |
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| CN204940246U true CN204940246U (en) | 2016-01-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089044A (en) * | 2015-08-31 | 2015-11-25 | 中国建筑股份有限公司 | Horizontal push compaction type prefabricated underground continuous wall system and construction method thereof |
| CN106223352A (en) * | 2016-09-05 | 2016-12-14 | 中国电建集团成都勘测设计研究院有限公司 | Deep covering layer foundation anti-seepage wall construction |
| CN106351208A (en) * | 2016-10-11 | 2017-01-25 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated underground diaphragm wall vertical-splicing structure |
-
2015
- 2015-08-31 CN CN201520666196.8U patent/CN204940246U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089044A (en) * | 2015-08-31 | 2015-11-25 | 中国建筑股份有限公司 | Horizontal push compaction type prefabricated underground continuous wall system and construction method thereof |
| CN106223352A (en) * | 2016-09-05 | 2016-12-14 | 中国电建集团成都勘测设计研究院有限公司 | Deep covering layer foundation anti-seepage wall construction |
| CN106223352B (en) * | 2016-09-05 | 2018-06-15 | 中国电建集团成都勘测设计研究院有限公司 | Deep covering layer foundation anti-seepage wall construction |
| CN106351208A (en) * | 2016-10-11 | 2017-01-25 | 上海市政工程设计研究总院（集团）有限公司 | Prefabricated underground diaphragm wall vertical-splicing structure |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20180831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |