CN103452131B - Grille type underground continuous wall construction outer mold and inner mold - Google Patents
Grille type underground continuous wall construction outer mold and inner mold Download PDFInfo
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- CN103452131B CN103452131B CN201310370353.6A CN201310370353A CN103452131B CN 103452131 B CN103452131 B CN 103452131B CN 201310370353 A CN201310370353 A CN 201310370353A CN 103452131 B CN103452131 B CN 103452131B
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Abstract
The invention discloses a grille type underground continuous wall construction outer mold and an inner mold, which comprise a plurality of mouth-shaped molds, a group of connecting plate assemblies are respectively arranged in positions next to the upper edge and the lower edge of the outer side surfaces of two opposite mold walls of the mouth-shaped molds, each group of connecting plate assemblies comprises two connecting plates which are arranged in a eudipleural mode, the connecting plates of the upper and lower mouth-shaped molds are correspondingly spliced to form three transverse clamping grooves, two clamping pieces are arranged in a bifarious mode between the two connecting plates of each group of connecting plate assemblies, and three plugs of the clamping pieces are respectively inserted into the three transverse clamping grooves. The outer mold and the inner mold are used for vertical connection between standard sections of underground continuous wall construction molds, the quantity of the construction molds is increased or reduced, so that the lengths of the molds satisfy support engineering of deep foundation pits with different depths, the normalized production of the construction molds and the flexibility of an engineering application are realized, and the vertical reliable connection of the grille type underground continuous wall construction molds is guaranteed, so that the molds are tightly combined in the processes of pressing into soil and pulling out.
Description
Technical field
The invention belongs to Deep Foundation Pit Supporting Project field, relate to a kind of construction of diaphragm wall external mold and internal mold.
Background technology
Along with the development of urban construction and the exploitation of the underground space; the feature that foundation pit supporting project progressively presents " large, dark, tight, near "; Chinese large-sized base pit engineering mainly concentrates on the well-developed regions such as coastal, riverine; it builds place based on weak soil; underground water rich content; Around is generally all distributed with the environmental protection objects such as building, underground utilities, town road, has strict requirement to the safety of pattern foundation pit supporting structure and Deformation control.According to the supporting degree of depth and soil condition, bracing of foundation pit pattern conventional at present has soil nail wall, cement-soil gravity type retaining wall, diaphragm wall, castinplace pile campshed enclosure wall, shaped steel Soil-cement Wall (SMW), steel sheet pile enclosure wall, reinforced concrete sheet pile enclosure wall etc., and these methods have different applicabilities and pluses and minuses.
Base pit engineering energy consumption is high, pollution is comparatively large, and consume a large amount of constructional materialss, the spoir that construction works produces abandons slurry needs place to stack, contaminated environment.Therefore, under the prerequisite ensureing pattern foundation pit supporting structure safety, the space enclosing structure of research and development economical and energy saving environmental protection meets the requirement of pattern foundation pit supporting structure sustainable development.According to the loading characteristic of envelope structure in foundation pit supporting project, patented technology " a kind of construction method of combined underground continuous wallboard of cast-in-place hollow square pile " proposes a kind of novel space enclosing structure (also known as " grid type diaphragm wall ") of economical and energy saving environmental protection, namely in " returning " shaped steel mould, insert reinforcing cage and in-site pouring concrete, form the continuous body of wall of grid type.Inside and outside two-layer punching block is adopted in work progress, punching block top is connected with vibrating hammer, bottom contacts with the inside and outside bearing surface in shoe, vibration-sunk, also synchronously while one-tenth side's cylindrical automatically the soil body is discharged from inner core core, after mould is pressed into place, in hole, place reinforcing cage, poured in place concrete to form the grid-like continuous print body of wall of continuous print.This body of wall can play sealing effect while bearing lateral earth pressure, as the lining cutting of outer wall of basement, can also gather multiple function.
In Practical Project, the total length of supporting and protection structure body constantly changes because of the excavation of foundation pit degree of depth and soil layer situation, the construction mould adopted in grid type diaphragm wall support form should meet different pattern foundation pit supporting structure depth requirements, could promote applying of this support technology.Therefore, need to carry out normalized production to construction mould, by making the supporting degree of depth meet the needs of the different pattern foundation pit supporting structure degree of depth in the quantity of vertical increase and decrease mould.Construction mould due to grid type diaphragm wall is double-deck (three-back-shaped), relates to pile vibrosinking and the lifting of mould in construction simultaneously, its joint relative complex and higher to requirement for bearing capacity.
Summary of the invention
technical problem:the invention provides a kind of simple and reliable, easy to connect, realize the normalized production of construction mould, improve grid type construction of diaphragm wall external mold and the internal mold of engineer applied flexibility.
technical scheme:grid type construction of diaphragm wall external mold of the present invention, comprise multiple degree of lip-rounding external molds setting up and down, next-door neighbour's upper edge on the lateral surface of two relative die walls of degree of lip-rounding external mold and next-door neighbour's lower edge, be respectively arranged with one group of junction plate assembly, often organize junction plate assembly and comprise two junction plates be symmetrical set, junction plate comprises outside plate and is arranged on the inner panel on outside plate, inner panel is fixedly connected with degree of lip-rounding external mold, the longitudinal size of outside plate is greater than inner panel, the junction plate correspondence splicing of upper and lower two degree of lip-rounding external molds, thus between junction plate and degree of lip-rounding external mold outer wall, form the draw-in groove of three transverse directions, the fastener of two opposing settings is had between two junction plates of junction plate assembly, fastener is provided with three latches, three latches of fastener insert in the draw-in groove of three transverse directions respectively, also fixation steel plate is provided with between two junction plates, fixation steel plate is connected with the outer wall of nut with degree of lip-rounding external mold by screw rod, two fasteners are fixed spacing.
In construction of diaphragm wall external mold of the present invention, inside junction plate assembly, the edge of outside plate exceeds the edge of inner panel.
Grid type construction of diaphragm wall internal mold of the present invention, comprise multiple degree of lip-rounding internal molds setting up and down, next-door neighbour's upper edge on the lateral surface of two relative die walls of degree of lip-rounding internal mold and next-door neighbour's lower edge, be respectively arranged with one group of junction plate assembly, often organize junction plate assembly and comprise two junction plates be symmetrical set, junction plate comprises outside plate and is arranged on the inner panel on outside plate, inner panel is fixedly connected with degree of lip-rounding internal mold, the longitudinal size of outside plate is greater than inner panel, the junction plate correspondence splicing of upper and lower two degree of lip-rounding internal molds, thus between junction plate and degree of lip-rounding internal mold outer wall, form the draw-in groove of three transverse directions, the fastener of two opposing settings is had between two junction plates of junction plate assembly, fastener is provided with three latches, three latches of fastener insert in the draw-in groove of three transverse directions respectively, also fixation steel plate is provided with between two junction plates, fixation steel plate is connected with the outer wall of nut with degree of lip-rounding internal mold by screw rod, two fasteners are fixed spacing.
In grid type construction of diaphragm wall internal mold of the present invention, the outside lower edges place in four faces of degree of lip-rounding internal mold is provided with junction plate assembly.
In grid type construction of diaphragm wall internal mold of the present invention, inside junction plate assembly, the edge of outside plate exceeds the edge of inner panel.
beneficial effect:the present invention compared with prior art, has the following advantages:
Grid type construction of diaphragm wall external mold of the present invention and internal mold, for the vertical connection between construction of diaphragm wall mould standard section, the deep foundation pit support of different depth is met by the quantity increasing and decreasing construction mould, realize the normalized production of construction mould and the flexibility of engineer applied, ensure that grid type construction of diaphragm wall mould is in vertical reliable connection, makes mould combine closely at the press-in soil body and withdrawal process.
Grid type construction of diaphragm wall external mold of the present invention and internal mold achieve the changeability of grid type construction of diaphragm wall die length, enable construction mould lengthen easily and shorten.
1) construction of diaphragm wall mould can repeatedly reuse, and need not make corresponding construction mould, saved construction cost to every foundation pit supporting project;
2) connected by steel component, damage can not be brought to construction mould;
3) greatly, piecing devices intensity is high, durable in use for steel pin contact pressurized and shear resistent area;
4) installation and convenient disassembly, ensure that the continuity of construction mould in press-in and withdrawal process.
Accompanying drawing explanation
Fig. 1 is the mould junction schematic three dimensional views after adopting the present invention;
Fig. 2 is the schematic three dimensional views of grid type construction of diaphragm wall mould standard section;
Fig. 3 is the top view of grid type construction of diaphragm wall mould standard section;
Fig. 4 is the front view of the mould junction after adopting the present invention;
Fig. 5 is the schematic three dimensional views of junction plate;
Fig. 6 is the schematic three dimensional views of fastener;
Fig. 7 fixation steel plate schematic three dimensional views;
Have in figure: junction plate 1; Junction plate outside plate 11; Junction plate inner panel 12; Fastener 2; Latch 21; Fixation steel plate 3; The preformed hole 31 of fixation steel plate; Screw rod 4; Nut 5; The connecting sewing 6 of upper and lower mould.
Detailed description of the invention
Below in conjunction with accompanying drawing (all not drawing guided way in all graphics) and embodiment, the present invention will be described further.
Grid type construction of diaphragm wall external mold of the present invention and internal mold are primarily of junction plate assembly, fastener and fixation steel plate (comprising nut) and screw rod three part composition.
Grid type construction of diaphragm wall external mold of the present invention, comprise multiple degree of lip-rounding external molds setting up and down, next-door neighbour's upper edge on the lateral surface of two relative die walls of degree of lip-rounding external mold and next-door neighbour's lower edge, be respectively arranged with one group of junction plate assembly, often organize junction plate assembly and comprise two junction plates be symmetrical set 1, the inner panel 12 that junction plate 1 comprises outside plate 11 and is arranged on outside plate 11, inner panel 12 is fixedly connected with degree of lip-rounding external mold, the longitudinal size of outside plate 11 is greater than inner panel 12, the junction plate 1 correspondence splicing of upper and lower two degree of lip-rounding external molds, thus between junction plate 1 and degree of lip-rounding external mold outer wall, form the draw-in groove of three transverse directions, the fastener 2 of two opposing settings is had between two junction plates 1 of junction plate assembly, fastener 2 is provided with three latches 21, three latches 21 of fastener 2 insert in the draw-in groove of three transverse directions respectively, distance between junction plate assembly at least meets the installation requirement of a fastener 2, first a left side (right side) side fastener 2 is first inserted draw-in groove, outside plate 11 covers fastener 2 completely, and then the right side (left side) side fastener 2 is inserted draw-in groove, fixation steel plate 3 is also provided with between two junction plates 1, fixation steel plate 3 is connected with the outer wall of nut 5 with degree of lip-rounding external mold by screw rod 4, the fastener 2 of two opposing settings is fixed spacing.Thus realize being fixedly connected with of upper and lower two degree of lip-rounding adventitias.
In construction of diaphragm wall external mold of the present invention, inside junction plate assembly, the edge of outside plate 11 exceeds the edge of inner panel 12, and fastener 2 can be embedded in outside plate 11 completely, makes the fastener 2 of two opposing settings between two of junction plate assembly junction plates 1 successfully to insert and to extract draw-in groove.
Grid type construction of diaphragm wall internal mold of the present invention, comprise multiple degree of lip-rounding internal molds setting up and down, next-door neighbour's upper edge on the lateral surface of two relative die walls of degree of lip-rounding internal mold and next-door neighbour's lower edge, be respectively arranged with one group of junction plate assembly, often organize junction plate assembly and comprise two junction plates be symmetrical set 1, the inner panel 12 that junction plate 1 comprises outside plate 11 and is arranged on outside plate 11, inner panel 12 is fixedly connected with degree of lip-rounding internal mold, the longitudinal size of outside plate 11 is greater than inner panel 12, the junction plate 1 correspondence splicing of upper and lower two degree of lip-rounding internal molds, thus between junction plate 1 and degree of lip-rounding internal mold outer wall, form the draw-in groove of three transverse directions, the fastener 2 of two opposing settings is had between two junction plates 1 of junction plate assembly, fastener 2 is provided with three latches 21, three latches 21 of fastener 2 insert in the draw-in groove of three transverse directions respectively, distance between junction plate assembly at least meets the installation requirement of a fastener 2, first a left side (right side) side fastener 2 is first inserted draw-in groove, outside plate 11 covers fastener 2 completely, and then the right side (left side) side fastener 2 is inserted draw-in groove, fixation steel plate 3 is also provided with between two junction plates 1, fixation steel plate 3 is connected with the outer wall of nut 5 with degree of lip-rounding internal mold by screw rod 4, the fastener 2 of two opposing settings is fixed spacing.
In grid type construction of diaphragm wall internal mold of the present invention, the outside lower edges place in four faces of degree of lip-rounding internal mold is provided with junction plate assembly.
In grid type construction of diaphragm wall internal mold of the present invention, inside junction plate assembly, the edge of outside plate 11 exceeds the edge of inner panel 12, fastener 2 can be embedded in outside plate 11 completely, makes the fastener 2 of two opposing settings between two of junction plate assembly junction plates 1 successfully to insert and to extract draw-in groove.
Claims (5)
1. a grid type construction of diaphragm wall external mold, it is characterized in that, this construction external mold comprises the multiple degree of lip-rounding external molds superposing setting up and down, next-door neighbour's upper edge on the lateral surface of the relative die wall of described degree of lip-rounding external mold two and next-door neighbour's lower edge, be respectively arranged with one group of junction plate assembly, often organize described junction plate assembly and comprise two junction plates be symmetrical set (1), described junction plate (1) comprises outside plate (11) and is arranged on the inner panel (12) on described outside plate (11), described inner panel (12) is fixedly connected with degree of lip-rounding external mold, the longitudinal size of outside plate (11) is greater than inner panel (12), junction plate (1) the correspondence splicing of upper and lower two degree of lip-rounding external molds, thus between junction plate (1) and degree of lip-rounding external mold outer wall, form the draw-in groove of three transverse directions, the fastener (2) of two opposing settings is had between two junction plates (1) of junction plate assembly, described fastener (2) is provided with three latches (21), three latches (21) of fastener (2) are inserted in the draw-in groove of three transverse directions respectively, fixation steel plate (3) is also provided with between two junction plates (1), described fixation steel plate (3) is connected with the outer wall of degree of lip-rounding external mold with nut (5) by screw rod (4), by fixing for two fasteners (2) spacing.
2. grid type construction of diaphragm wall external mold according to claim 1, is characterized in that, inside described junction plate assembly, the edge of outside plate (11) exceeds the edge of inner panel (12).
3. a grid type construction of diaphragm wall internal mold, it is characterized in that, this construction internal mold comprises multiple degree of lip-rounding internal molds setting up and down, next-door neighbour's upper edge on the lateral surface of two relative die walls of described degree of lip-rounding internal mold and next-door neighbour's lower edge, be respectively arranged with one group of junction plate assembly, often organize described junction plate assembly and comprise two junction plates be symmetrical set (1), described junction plate (1) comprises outside plate (11) and is arranged on the inner panel (12) on described outside plate (11), described inner panel (12) is fixedly connected with degree of lip-rounding internal mold, the longitudinal size of outside plate (11) is greater than inner panel (12), junction plate (1) the correspondence splicing of upper and lower two degree of lip-rounding internal molds, thus between junction plate (1) and degree of lip-rounding internal mold outer wall, form the draw-in groove of three transverse directions, the fastener (2) of two opposing settings is had between two junction plates (1) of junction plate assembly, described fastener (2) is provided with three latches (21), three latches (21) of fastener (2) are inserted in the draw-in groove of three transverse directions respectively, fixation steel plate (3) is also provided with between two junction plates (1), described fixation steel plate (3) is connected with the outer wall of degree of lip-rounding internal mold with nut (5) by screw rod (4), by fixing for two fasteners (2) spacing.
4. grid type construction of diaphragm wall internal mold according to claim 3, is characterized in that, the outside lower edges place in four faces of described degree of lip-rounding internal mold is provided with junction plate assembly.
5. the grid type construction of diaphragm wall internal mold according to claim 3 or 4, is characterized in that, inside described junction plate assembly, the edge of outside plate (11) exceeds the edge of inner panel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370353.6A CN103452131B (en) | 2013-08-23 | 2013-08-23 | Grille type underground continuous wall construction outer mold and inner mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370353.6A CN103452131B (en) | 2013-08-23 | 2013-08-23 | Grille type underground continuous wall construction outer mold and inner mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103452131A CN103452131A (en) | 2013-12-18 |
| CN103452131B true CN103452131B (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310370353.6A Expired - Fee Related CN103452131B (en) | 2013-08-23 | 2013-08-23 | Grille type underground continuous wall construction outer mold and inner mold |
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| CN (1) | CN103452131B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10968593B2 (en) * | 2017-03-01 | 2021-04-06 | Phiproei THOOPPHONTHAP | Precast reinforced concrete heavy duty retaining wall |
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Owner name: HUAIAN CIVIL DEFENCE BUREAU Effective date: 20131126 |
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Effective date of registration: 20131126 Address after: 211103, No. 5, RT Mart Road, Jiangning District, Jiangsu, Nanjing Applicant after: Southeast University Applicant after: HUAIAN CIVIL DEFENCE BUREAU Address before: 211103, No. 5, RT Mart Road, Jiangning District, Jiangsu, Nanjing Applicant before: Southeast University |
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Granted publication date: 20150304 Termination date: 20160823 |