CN203373964U - Formwork structure of settlement joint of cast-in-place concrete wall - Google Patents
Formwork structure of settlement joint of cast-in-place concrete wall Download PDFInfo
- Publication number
- CN203373964U CN203373964U CN201320376990.XU CN201320376990U CN203373964U CN 203373964 U CN203373964 U CN 203373964U CN 201320376990 U CN201320376990 U CN 201320376990U CN 203373964 U CN203373964 U CN 203373964U
- Authority
- CN
- China
- Prior art keywords
- settlement joint
- polystyrene foam
- foam plate
- wall
- formwork structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model discloses a formwork structure of a settlement joint of a cast-in-place concrete wall. The formwork structure of the settlement joint of the cast-in-place concrete wall comprises concrete prefabricated permanent formworks and a polystyrene foam plate. The polystyrene foam plate is arranged between the concrete prefabricated permanent formworks on the two sides of the polystyrene foam plate, and after being arranged in parallel, the polystyrene foam plate and the concrete prefabricated permanent formworks are reserved at the position of the settlement joint. The thickness of the polystyrene foam plate is the same as the reserved width of the settlement joint, and the height of the polystyrene foam plate and the height of the concrete prefabricated permanent formworks are the same as the height of the wall. The concrete prefabricated permanent formworks are connected through an upper rabbet and a lower rabbet in a lap joint mode and are fixed through bolts in the height direction. According to the formwork structure of the settlement joint of the cast-in-place concrete wall, the concrete prefabricated permanent formworks are used for clamping the polystyrene foam plate, after paralleling and reserving are achieved, the settlement joint is formed, the width of the settlement joint is guaranteed, the function of the settlement joint is achieved, and the trouble for removing a timber formwork after concrete forming is also avoided.
Description
Technical field
The utility model relates to a kind of in-situ concrete wall settlement joint formwork structure.
Background technology
In the construction of the in-situ concrete walls such as super-long structural concrete wall, bridges and culverts and water conservancy project structure, for preventing the mass defects such as wall crazing that cause because of differential settlement, designing requirement operated by rotary motion settlement joint, therefore, the construction of settlement joint is a routine and very important operation.
Traditional settlement joint stays equipment, method to mainly contain following two kinds:
1, the settlement joint both sides adopt wooden form to install, and remove the seam inner formword after concrete formation.Because distance between settlement joint is less, add lateral pressure effect in concreting process, the moulding rear pattern plate is removed very difficult.And, when body of wall is thicker, the seam inner formword often can't be removed.Cause can't guaranteeing in the body of wall use procedure functional requirement of settlement joint.
2,, when walls concrete is constructed, directly clog the materials such as cystosepiment in the settlement joint width range.Because such strength of materials is lower, in the concrete vibrating process, easily destroy or distortion, can not guarantee effective width and the upper and lower smoothness of settlement joint, be difficult to meet the functional requirement of settlement joint.
From the above mentioned, if stay by conventional method, to establish the body of wall settlement joint not only time-consuming, and difficult quality guarantee.Particularly, when body of wall is thicker or section configuration is the opposite sex while waiting compound section, conventional method stays the difficulty of construction of establishing settlement joint large, consumes manually manyly, to rapid construction, has brought certain difficulty.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of in-situ concrete wall settlement joint formwork structure.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: in-situ concrete wall settlement joint formwork structure comprises concrete prefabricated permanent template and polystyrene foam plate; Concrete prefabricated permanent template is clamped polystyrene foam plate and is retained in the settlement joint position after side by side in both sides.
As preferably, the thickness of polystyrene foam plate is consistent with the indwelling width of settlement joint.
As preferably, the height of polystyrene foam plate is identical with the body of wall height.
As preferably, the height of concrete prefabricated permanent template is identical with the body of wall height.
As preferably, the short transverse of concrete prefabricated permanent template connects and adopts upper and lower tongue and groove overlap joint also to fix with bolt.
The beneficial effects of the utility model are:
Adopt concrete prefabricated permanent template clamping polystyrene foam plate to keep somewhere side by side the formation settlement joint, both guaranteed the width of settlement joint, met the functional requirement of settlement joint, avoided again the trouble of using wooden form to remove after concrete formation.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model in-situ concrete wall settlement joint formwork structure embodiment.
Fig. 2 is the A-A sectional drawing of Fig. 1.
In figure, 1-concrete wall, 2-template, 3-split bolt, 4-polystyrene foam plate, 5-permanent template, 6-adhesive waterproof tape, 7-bolt.
The specific embodiment
Fig. 1 is a kind of in-situ concrete wall settlement joint formwork structure, at the inside and outside both sides of concrete wall 1 installation form 2, and fix two side templates 2 with split bolt 3, clamp the position that polystyrene foam plate 4 is retained in settlement joint after side by side in both sides with concrete prefabricated permanent template 5.Wherein the thickness of polystyrene foam plate 4 is consistent with the indwelling width of settlement joint, and the height of polystyrene foam plate and concrete prefabricated permanent template identical with the body of wall height (Fig. 2).
The present embodiment adopts the concrete prefabricated permanent template 5 of both sides to protect the polystyrene foam plate 4 be clipped in the middle, and can be not easy damaged and guarantee that the indwelling of settlement joint is successful in concreting process.
Permanent template, according to the body of wall height, can be made some, and upper and lower connection adopts the tongue and groove overlap joint to fix with bolt.Specific practice is that tongue and groove is processed into in the joint of the prefabricated permanent template 5 of upper and lower two block concrete, and stay at a certain distance and establish bolt hole on tongue and groove, template connects when high, the tongue and groove of upper and lower two permanent templates is coincide, and, after bolt hole is matched, bolt 7 fastening nuts that penetrate M12 can be fixed.For preventing that the cement paste in concreting process from flowing into settlement joint, pastes adhesive waterproof tape 6 twice in the seam both sides.
For ease of the carrying of prefabricated permanent template and easy for installation, minute tile height of prefabricated permanent template is depending on its wall thickness, and the height general control is advisable at 1.8 meters, when as too large as piecemeal, to cause weight and the area of the prefabricated permanent template of every block concrete excessive, and be not easy to install.
The present embodiment is after concrete wall 1 has been built, and the concrete prefabricated permanent template 5 and the polystyrene foam plate 4 that are retained in body of wall all do not need to take out.
The Specific construction way:
1) making of permanent template: according to section configuration and the size of wall body, be prefabricated into the above pea gravel concreten of C25 the permanent template that 25mm is thick, the length of prefabricated permanent template is determined according to wall body thickness and height, consider the carrying of template and easy for installation, general every segment length is that 1200～1800mm is advisable, and width reduces 15mm than wall body thickness; Join φ 4 two-way concrete slabs in prefabricated permanent template, reserve the long installation overlap joint tongue and groove of 100mm during making in end, establish bolt hole on tongue and groove.
2) the in-situ concrete wall inner and outer template is installed: the mounting method of the inside and outside template of body of wall is conventional template Method for Installation.
3) settlement joint situation template both sides snap the line: by the settlement joint position of designing requirement, eject the tram of settlement joint with the line of ink marker on the inside and outside template of mounted wall body, respectively stay again two lines of ink marker of the wide ejection of 25mm in the settlement joint both sides, reserve prefabricated permanent template and polystyrene foam plate position.
4) auger shell keyhole on settlement joint two side templates: after ejecting the line of ink marker, electricity consumption is drilled in the both sides line of ink marker and vertically gets out outward for the split bolt hole, and pitch-row is depending on the thickness of body of wall, generally between 400～600mm.
5) settlement joint one side permanent template is fixing: first settlement joint both sides split bolt is installed successively, then, first in settlement joint one side, be close to split bolt and install permanent prefab form, the method that the vertical joint of permanent prefab form adopts tongue and groove to add bolt is carried out Piecemeal erection, and pastes the mackintosh twice at seam crossing.Permanent prefab form installs that top mark is high should be not less than concreting face absolute altitude.
6) filled polystyrene cystosepiment in settlement joint: by the settlement joint width of designing requirement, select the suitable polystyrene foam plate of thickness to be close to permanent prefab form and install.
7) installation of settlement joint opposite side permanent template: after polystyrene foam plate installs, the prefabricated permanent template of opposite side can be installed, in the permanent template installation process, should vertically slowly insert, prevent damaging or destroying of polystyrene foam plate.Install and rear it is conscientiously checked, after meeting the requirements, can carry out next procedure.
8) settlement joint both sides concreting: for guaranteeing staying of settlement joint, establish quality, during settlement joint both sides concreting, principle by " thin layer circulation, symmetry are built " is carried out, when both concreting is to the settlement joint both sides, the height of prefabricated permanent template both sides newly placed concrete should be tried one's best unanimously, utilize the interaction of prefabricated permanent template both sides concrete lateral pressure, can guarantee that the settlement joint template is not crooked, do not tilt, correct position, the line mouth is smooth and easy attractive in appearance.
The present embodiment utilizes the prefabricated permanent template of split bolt fixing concrete of two row's vertical directions, and press from both sides polystyrene foam plate between two prefabricated permanent templates, the vertical connection of prefabricated permanent template adopts tongue and groove to add method that bolt combines and installs and fix, for preventing that cement paste from infiltrating, seam crossing pastes mackintosh and gets final product.The method not only technique is simple, reliable in quality, and greatly accelerated construction speed.
Above-described the utility model embodiment, do not form the restriction to the utility model protection domain.Any modification of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (5)
1. in-situ concrete wall settlement joint formwork structure, is characterized in that: comprise concrete prefabricated permanent template and polystyrene foam plate; Described concrete prefabricated permanent template is clamped polystyrene foam plate and is retained in the settlement joint position after side by side in both sides.
2. in-situ concrete wall settlement joint formwork structure according to claim 1, it is characterized in that: the thickness of described polystyrene foam plate is consistent with the indwelling width of settlement joint.
3. in-situ concrete wall settlement joint formwork structure according to claim 1, it is characterized in that: the height of described polystyrene foam plate is identical with the body of wall height.
4. in-situ concrete wall settlement joint formwork structure according to claim 1, it is characterized in that: the height of described concrete prefabricated permanent template is identical with the body of wall height.
5. in-situ concrete wall settlement joint formwork structure according to claim 4 is characterized in that: the short transverse of described concrete prefabricated permanent template connects and adopts upper and lower tongue and groove overlap joint also to fix with bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376990.XU CN203373964U (en) | 2013-06-28 | 2013-06-28 | Formwork structure of settlement joint of cast-in-place concrete wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376990.XU CN203373964U (en) | 2013-06-28 | 2013-06-28 | Formwork structure of settlement joint of cast-in-place concrete wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203373964U true CN203373964U (en) | 2014-01-01 |
Family
ID=49836507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320376990.XU Expired - Fee Related CN203373964U (en) | 2013-06-28 | 2013-06-28 | Formwork structure of settlement joint of cast-in-place concrete wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203373964U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457958A (en) * | 2018-12-24 | 2019-03-12 | 上海建工七建集团有限公司 | Twin columns subsiding crack template and its installation method |
| CN113174786A (en) * | 2021-03-24 | 2021-07-27 | 江苏誉朔新材料科技有限公司 | Piece together formula railway roadbed abatvoix and inhale sound subassembly |
-
2013
- 2013-06-28 CN CN201320376990.XU patent/CN203373964U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457958A (en) * | 2018-12-24 | 2019-03-12 | 上海建工七建集团有限公司 | Twin columns subsiding crack template and its installation method |
| CN113174786A (en) * | 2021-03-24 | 2021-07-27 | 江苏誉朔新材料科技有限公司 | Piece together formula railway roadbed abatvoix and inhale sound subassembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101818541B (en) | Precast composite wallboard with door/window holes and manufacturing method thereof | |
| CN101831985B (en) | Precast concrete wallboard and preparation method thereof | |
| CN201687125U (en) | Precast concrete wallboard | |
| CN206070562U (en) | Subassembly formula underground structure | |
| CN101831986B (en) | Precast composite outer insulated wall plate and manufacturing method thereof | |
| CN109162296A (en) | Single side formwork system and the construction method poured using system progress exterior wall | |
| CN201738494U (en) | Prefabricated composite wall slab with door/window opening | |
| CN106522407A (en) | Fabricated cast-in-place concrete sandwich insulation wall steel frame formwork system and connecting parts | |
| CN201687127U (en) | Prefabricated composite outer heat preservation wallboard | |
| CN204040078U (en) | A kind of alter-pouring strips mould plate installs structure | |
| CN105350581A (en) | Advanced sealing structure for basement top slab settlement post-cast strips | |
| CN203373964U (en) | Formwork structure of settlement joint of cast-in-place concrete wall | |
| CN203270627U (en) | Construction joint structure of shear wall | |
| CN202925561U (en) | Bearing platform template structure | |
| CN105019593B (en) | Building heat preservation prefabricated section and modular arrangement of reinforcement cast-in-place method construction method thereof | |
| CN109113068A (en) | A kind of inverse construction joint structure for building construction of deep basal pit | |
| CN106284303B (en) | A kind of prefabricated ground-connecting-wall and its construction method with the limit of angle steel connector | |
| CN207813019U (en) | A kind of UHPC non-dismantling formworks of casting concrete column | |
| CN203247838U (en) | Fully-buried basement side wall post-pouring belt advance water stop formwork | |
| CN202990112U (en) | Plate and beam reserved joint bar structure of hydropower house | |
| CN102995613B (en) | Connection method and structure for casting wall body and plate girder of powerhouse of hydropower station by stages | |
| CN105019656B (en) | Construction method for floor system concrete post-cast strip suspended formwork | |
| CN210887323U (en) | Connect and build engineering underground structure construction joint watertight fittings | |
| CN108049524B (en) | Wall reinforcement structure | |
| CN209243781U (en) | It is a kind of for underground engineering main body construction seam and post-cast strip waterproof construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |