CN112523495B - Support capable of supporting wall formwork on single side - Google Patents
Support capable of supporting wall formwork on single side Download PDFInfo
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- CN112523495B CN112523495B CN202011398609.0A CN202011398609A CN112523495B CN 112523495 B CN112523495 B CN 112523495B CN 202011398609 A CN202011398609 A CN 202011398609A CN 112523495 B CN112523495 B CN 112523495B
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- vertical main
- main back
- wall body
- formwork
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/14—Bracing or strutting arrangements for formwalls; Devices for aligning forms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention discloses a support capable of supporting a wall formwork on one side, which comprises a vertical main back ridge, a ground beam, an inclined strut and foundation bolts, wherein the vertical main back ridge is provided with a plurality of vertical main back ridges; the vertical main back ridge, the ground beam and the inclined strut are sequentially connected to form a right-angled triangular bracket; the ground beam is used as a right-angle side and is used for contacting the ground; the vertical main back edge is used as another right-angle edge and is used for contacting with the wall body shaping template; the foundation bolts penetrate through the ground beam at the right angle of the triangular support and are used for being embedded in the ground below the wall body shaping template; the bracing adopts flexible subassembly, and flexible subassembly's stiff end is connected with the ground beam is articulated, and flexible end and the stupefied articulated connection of vertical main back of the body of flexible subassembly. Under the condition that the operation space is limited, when the wall body is supported by the unilateral bracket, the wall body template can be supported without independently arranging the counter-pulling screw rod and the embedded cone. After the concrete pouring of the wall body is finished, the plugging of the cone holes is not needed, and the appearance quality of the concrete wall body is greatly improved.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a support capable of supporting a wall formwork at one side, and is particularly used for supporting construction of the wall formwork of a nuclear power station.
Background
In the construction process of buildings such as factory buildings, the factory buildings are all of cast-in-place reinforced concrete structures, and due to the fact that the field engineering quantity is large, the construction period is short, the plane arrangement of the buildings is compact, and cross construction between adjacent walls of the factory buildings is frequent. The construction site limits the construction site, and the split bolts cannot be placed to control the lateral pressure of the concrete during the construction of part of the wall, so that great inconvenience is brought to the construction of the template. Under the condition that the operation space is limited, the single-side formwork of the wall is always difficult to be standardized and standardized. If the problems exist in the construction process of each plant of a nuclear island in a Hualongyi-Zhangzhou nuclear power project, the common method of other nuclear power projects is to directly and temporarily reinforce by using steel pipes, a unified method is not formed, and great potential safety and quality hazards exist.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the construction process of some walls, part of the walls are limited by a construction site, when the formwork is erected, a split bolt cannot be placed to control the lateral pressure of concrete, the formwork cannot be erected in a conventional mode, and potential safety and quality hazards exist.
The invention is realized by the following technical scheme:
the invention provides a support capable of supporting a wall template on one side, which comprises a vertical main back ridge, a ground beam, an inclined strut and foundation bolts, wherein the vertical main back ridge is provided with a plurality of vertical main back ridges; the vertical main back ridge, the ground beam and the inclined strut are sequentially connected to form a right-angled triangular bracket; the ground beam is used as a right-angle side and is used for contacting the ground; the vertical main back edge is used as another right-angle edge and is used for contacting with the wall body shaping template; the foundation bolts penetrate through the ground beam at the right angle of the triangular support and are used for being embedded in the ground below the wall body shaping template; the inclined strut adopts a telescopic assembly, and two ends of the telescopic assembly are respectively hinged with the ground beam and the vertical main back ridge.
In the construction process of some walls, part of the walls are limited by a construction site, when the templates are erected, the counter bolts cannot be placed to control the lateral pressure of the concrete, the templates cannot be erected in a conventional mode, and potential safety and quality hazards exist; based on the background technology, the invention provides the support capable of supporting the wall formwork on one side, and under the condition that the operation space is limited, when the wall is supported by the support on one side, the wall formwork can be supported without independently arranging the counter-pulling screw rod and the embedded cone. After the concrete pouring of the wall body is finished, the plugging of the cone holes is not needed, and the appearance quality of the concrete wall body is greatly improved. The single-side support is convenient to install and detach on site, can be recycled for multiple times, ensures the safety of site construction, can improve the quality of site construction, and obtains good economic benefit.
When concrete contacts the wall body shaping formwork panel, the lateral pressure starts to act on the wall body shaping formwork, the vertical main back ridge of the right-angled triangle support supports the wall body shaping formwork, and the support cannot move backwards due to the fact that the right-angled position of the lower end of the support is fixed by the embedded foundation bolts. As the pouring height of the concrete is increased, the wall body shaping template is stressed to move upwards, and because the wall body shaping template is fixed and can not move backwards, backward lateral pressure is generated and transmitted to a supporting system of the right-angled triangular bracket, the stress is finally transmitted to the ground, and the lateral pressure of the concrete is offset by the embedded anchor bolts.
Particularly, in the supporting process, the poured concrete transmits the lateral pressure to the vertical main back ridge through the wall body shaping template, the vertical main back ridge is pressed to deform and inclines towards the direction of the ground beam, the vertical shaping and supporting functions of the wall body shaping template are weakened, and even the deformation supporting strength of the right-angled triangular support is reduced; the invention adopts the telescopic assembly as the diagonal brace of the right triangle in the optimized design, can adjust the extension length of the diagonal brace in time, ensure the verticality of the vertical main back ridge and enhance the limiting and supporting functions on the wall shaping template.
Further preferably, the telescopic assembly adopts a hydraulic cylinder, an air cylinder or an electric push rod assembly.
Preferably, the telescopic assembly comprises an adjusting cylinder, an adjusting screw I and an adjusting screw II; an internal thread is arranged in the adjusting cylinder; one end of the adjusting screw I is hinged with the ground beam, and the other end of the adjusting screw I extends into the adjusting cylinder from one end of the adjusting cylinder through threaded connection; one end of the adjusting screw rod II is hinged with the vertical main back ridge, and the other end of the adjusting screw rod II is connected with the other end of the adjusting cylinder in a threaded manner and extends into the adjusting cylinder; the thread directions of the adjusting screw I and the adjusting screw II are opposite.
The axes of the adjusting cylinder, the adjusting screw I and the adjusting screw II are superposed, the adjusting screw I is superposed with the thread rotation axis of the adjusting cylinder and the axis of the adjusting screw I, and the adjusting screw II is superposed with the thread rotation axis of the adjusting cylinder and the axis of the adjusting screw II; the hinge rotation axis of the adjusting screw I and the ground beam is vertical to the axis of the adjusting screw I, and the hinge rotation axis of the adjusting screw II and the vertical main back ridge is vertical to the axis of the adjusting screw II. When the whole extension length of bracing needs to be adjusted, only need rotate the adjusting cylinder for adjusting screw I and adjusting screw II send rotary motion relatively adjusting the sleeve simultaneously, and adjusting screw I and adjusting screw II are along adjusting the sleeve and do opposite direction or motion dorsad, make the whole length of bracing shorten or prolong.
Further preferably, the fixed end of the telescopic assembly is hinged to the ground beam through a pin shaft, and the telescopic end of the telescopic assembly is hinged to the vertical main back ridge through a pin shaft.
Further preferably, the wall body shaping formwork further comprises a formwork adjuster, and the formwork adjuster is used for adjusting the levelness of the wall body shaping formwork.
Further preferably, the template adjuster comprises a fixed block, a screw and an adjusting block; the fixing block is mounted on the vertical main back ridge, a threaded hole is formed in the fixing block, one end of the screw penetrates through the threaded hole in a threaded connection mode and then is connected with the adjusting block, and two axial ends of the adjusting block are in sliding contact with the wall body shaping template and the vertical main back ridge respectively; the screws are rotated forwards or reversely to drive the adjusting block to vertically move up and down along a gap between the wall body shaping template and the vertical main back ridge.
The invention optimally designs the template regulator to ensure the verticality of the wall shaping template.
Further preferably, the wall body shaping formwork comprises a plurality of right-angled triangle supports which are sequentially arranged along the width extending direction of the wall body shaping formwork.
Preferably, the adjacent right-angled triangles are connected through steel pipes, and the two axial ends of each steel pipe are fixedly connected with the vertical main back ridges on the corresponding side respectively.
Preferably, the device also comprises a pressing beam, wherein the pressing beam extends along the arrangement direction of all the right-angle triangular supports, a plurality of through holes are formed in the pressing beam, and all the through holes are sequentially distributed along the axial extension direction of the pressing beam; the outer connecting rod penetrates through the through hole and then is connected with the foundation bolt, and the outer connecting rod is tightly pressed and fixed through the locking nut.
Further preferably, the vertical main back ridge is also provided with a lifting ring.
The invention has the following advantages and beneficial effects:
1. under the condition that the operation space is limited, when the wall body is supported by the unilateral bracket, the wall body template can be supported without independently arranging the counter-pulling screw rod and the pre-embedded cone. After the concrete pouring of the wall body is finished, the plugging of the cone holes is not needed, and the appearance quality of the concrete wall body is greatly improved.
2. According to the invention, through researching the single-side support, a set of efficient and standard wall single-side formwork supporting method is formed, and the field formwork supporting construction period can be shortened by more than 30%.
3. The single-side support frame is convenient to install and disassemble on site, can be recycled for multiple times, ensures the safety of site construction, can improve the quality of site construction, and obtains good economic benefit.
4. When the wall body adopts the single-side support to support the template, the purchase and processing cost of materials such as the split screw, the cone and the like can be saved.
5. By designing the telescopic inclined strut structure and the template regulator, the invention is beneficial to ensuring that the wall body shaping template is always in a state of being vertical to the ground, and avoiding the quality problems of concrete wall body deformation and the like caused by the inclination of the wall body shaping template.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of a support structure capable of supporting a wall form at one side according to the present invention.
FIG. 2 is a schematic view of the stencil regulator of the present invention;
fig. 3 is a schematic view of the bracing structure of the present invention.
Reference numbers and corresponding part names in the drawings: 1-vertical main back ridge, 2-ground beam, 3-diagonal brace, 4-foundation bolt, 5-wall shaping template, 6-template regulator, 61-fixed block, 62-screw, 63-regulating block, 7-pressing beam, 8-external connecting rod and 9-connecting nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The embodiment provides a support capable of supporting a wall formwork on one side, which comprises a vertical main back ridge 1, a ground beam 2, an inclined strut 3 and foundation bolts 4; the vertical main back ridge 1, the ground beam 2 and the inclined strut 3 are sequentially connected to form a right-angled triangular support, one end of the ground beam 2 is connected with one end of the vertical main back ridge 1, and the axes of the two are vertical; one end of the inclined strut 3 is connected with the other end of the ground beam 2, and the other end of the inclined strut 3 is connected with the vertical rod section of the vertical main back ridge 1. The ground beam 2 is used as a right-angle side and is used for contacting the ground; the vertical main back edge 1 is used as another right-angle edge and is used for being in contact with the wall body shaping template; the foundation bolts 4 penetrate through the ground beam 2 at the right angles of the triangular supports and are buried in the ground below the wall body shaping formwork; the inclined strut 3 adopts a telescopic assembly, and two ends of the telescopic assembly are respectively hinged with the ground beam 2 and the vertical main back ridge 1. Rag bolt 4 includes first shank of bolt and second shank of bolt, and first shank of bolt is obtuse angle integration with the second shank of bolt and is connected, and the axial of first shank of bolt is parallel with the horizon, set up with the vertical perpendicular of wall body design template 5, and the rectangular department of the free end triangle-shaped support of second shank of bolt passes grade beam 2, and the second shank of bolt is 45 with the contained angle on horizon.
Example 2
Further improvement is carried out on the basis of the embodiment 1, and two optimized structures of the telescopic assembly are as follows:
the first method comprises the following steps: the telescopic assembly adopts a hydraulic cylinder, an air cylinder or an electric push rod assembly, and the hydraulic cylinder is adopted in the embodiment. The fixed end of the telescopic assembly is hinged with the ground beam 2 through a pin shaft, and the telescopic end of the telescopic assembly is hinged with the vertical main back ridge 1 through a pin shaft.
And the second method comprises the following steps: the telescopic assembly comprises an adjusting cylinder 31, an adjusting screw I32 and an adjusting screw II 33; an internal thread is arranged in the adjusting cylinder 31; one end of the adjusting screw I32 is hinged with the ground beam 2, and the other end of the adjusting screw I32 is connected with one end of the adjusting cylinder 31 through threads and extends into the adjusting cylinder 31; one end of the adjusting screw II33 is hinged with the vertical main back ridge 1, and the other end of the adjusting screw II33 is connected with the other end of the adjusting cylinder 31 in a threaded manner and extends into the adjusting cylinder 31; the thread directions of the adjusting screw I32 and the adjusting screw II33 are opposite.
In addition, still include template regulator 6, template regulator 6 is used for adjusting the straightness that hangs down of wall body typical forms. The template regulator 6 comprises a fixed block 61, a screw 62 and a regulating block 63; the fixing block 61 is installed on the vertical main back ridge 1, a threaded hole is formed in the fixing block 61, one end of the screw 62 penetrates through the threaded hole in a threaded connection mode and then is connected with the adjusting block 63, and two axial ends of the adjusting block 63 are in sliding contact with the wall body shaping template and the vertical main back ridge 1 respectively; the screw 62 is rotated forward or backward to drive the adjusting block 63 to vertically move up and down along the gap between the wall body shaping template and the vertical main back ridge 1.
In the use process, the adjusting block 63 is a linear adjusting rod extending horizontally from the wall shaping template so as to ensure that the wall shaping template extends horizontally on a straight line.
Example 3
Further improve on embodiment 2's basis, including a plurality of right triangle supports, a plurality of right triangle supports are arranged along wall body design template width extending direction in proper order. The adjacent right-angled triangles are connected through steel pipes, and the two axial ends of each steel pipe are fixedly connected with the vertical main back arris 1 on the corresponding side respectively.
The pressing beam 7 extends along the arrangement direction of all the right-angle triangular supports, a plurality of through holes are formed in the pressing beam 7, and all the through holes are sequentially distributed along the axial extension direction of the pressing beam 7; the outer connecting rod 8 penetrates through the through hole and then is connected with the foundation bolt 4, and is tightly pressed and fixed through a locking nut; the radial section of the pressing beam 7 is an equilateral triangle, and two waist edges of the pressing beam 7 are respectively contacted with the vertical main back ridge 1 and the ground beam 2. The vertical main back edge 1 is also provided with a lifting ring.
Based on embodiment 3 provides a but unilateral props up support of establishing wall form, in the use, the unilateral right angled triangle support that will assemble is through the stupefied top rings of main back of the body hoist and mount to the wall body position that needs the construction, then carries out the operation as follows:
(1) accurately embedding a good-foot bolt before pouring the next floor slab, wherein the distance from the free end of the bolt to the side wall of the wall body shaping template far away from the support side is 350mm, the inclination angle of the bolt is 45 degrees, and the exposure height and the horizontal distance are controlled;
(2) after the wall body reinforcing steel bars are bound, the wall body reinforcing steel bars must be temporarily fixed;
(3) cleaning sundries at the root of the wall body, and leveling by using mortar if necessary;
(4) hoisting a plurality of single-side right-angled triangular supports and templates according to the typesetting, connecting the vertical main back ridges of adjacent supports by using steel pipes, and firmly connecting the vertical main back ridges with the wall body shaping template by using fasteners after hoisting;
(5) and installing a pressing beam, a connecting nut and an outer connecting rod, fastening each embedded part foundation screw rod, and inspecting.
(6) And after the inspection is correct, the wall concrete pouring construction can be carried out.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A support capable of supporting a wall formwork on one side comprises a vertical main back ridge (1), a ground beam (2), an inclined strut (3) and foundation bolts (4); the vertical main back edge (1), the ground beam (2) and the inclined strut (3) are sequentially connected to form a right-angled triangular bracket; the ground beam (2) is used as a right-angle side and is used for contacting the ground; the vertical main back edge (1) is used as the other right-angle edge and is used for contacting with the wall body shaping template; the foundation bolts (4) penetrate through the ground beam (2) at the right angle of the triangular support and are buried in the ground below the wall body shaping template; the inclined strut is characterized in that the inclined strut (3) adopts a telescopic assembly, and two ends of the telescopic assembly are respectively hinged with a ground beam (2) and a vertical main back ridge (1);
the wall body shaping formwork further comprises a formwork adjuster (6), wherein the formwork adjuster (6) is used for adjusting the levelness of the wall body shaping formwork;
the template regulator (6) comprises a fixed block (61), a screw (62) and a regulating block (63); the fixing block (61) is installed on the vertical main back ridge (1), a threaded hole is formed in the fixing block (61), one end of the screw (62) penetrates through the threaded hole in a threaded connection mode and then is connected with the adjusting block (63), and two axial ends of the adjusting block (63) are in sliding contact with the wall body shaping formwork and the vertical main back ridge (1) respectively; the screw (62) is rotated forward or reversely to drive the adjusting block (63) to vertically move up and down along the gap between the wall body shaping template and the vertical main back ridge (1).
2. The support capable of supporting the wall formwork on one side according to claim 1, wherein the telescopic assembly is a hydraulic cylinder, an air cylinder or an electric push rod assembly.
3. The support capable of supporting the wall formwork on one side as claimed in claim 1, wherein the telescopic assembly comprises an adjusting cylinder (31), an adjusting screw rod I (32) and an adjusting screw rod II (33); an internal thread is arranged in the adjusting cylinder (31); one end of the adjusting screw I (32) is hinged with the ground beam (2), and the other end of the adjusting screw I is connected with one end of the adjusting cylinder (31) through threads and extends into the adjusting cylinder (31); one end of the adjusting screw II (33) is hinged with the vertical main back ridge (1), and the other end of the adjusting screw II is connected with the other end of the adjusting cylinder (31) in a threaded manner and extends into the adjusting cylinder (31); the screw thread directions of the adjusting screw I (32) and the adjusting screw II (33) are opposite.
4. The support capable of supporting the wall formwork on one side as claimed in claim 1, wherein the fixed end of the telescopic assembly is hinged to the floor beam (2) through a pin shaft, and the telescopic end of the telescopic assembly is hinged to the vertical main back ridge (1) through a pin shaft.
5. The support capable of supporting the wall formwork on one side as claimed in any one of claims 1 to 4, comprising a plurality of right-angled triangular supports, wherein the right-angled triangular supports are sequentially arranged along the width extension direction of the wall setting formwork.
6. The support capable of supporting the wall formwork on one side as claimed in claim 5, wherein the adjacent right triangles are connected through steel pipes, and the two axial ends of each steel pipe are respectively fixedly connected with the vertical main back edge (1) on the corresponding side.
7. The support capable of supporting the wall formwork on one side according to claim 5, further comprising a pressing beam (7), wherein the pressing beam (7) extends along the arrangement direction of all the right-angle triangular supports, a plurality of through holes are formed in the pressing beam (7), and all the through holes are sequentially distributed along the axial extension direction of the pressing beam (7); the outer connecting rod (8) penetrates through the through hole and then is connected with the foundation bolt (4) and is tightly pressed and fixed through the locking nut.
8. The support capable of supporting the wall formwork on one side as claimed in claim 5, wherein the vertical main back ridge (1) is further provided with a lifting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011398609.0A CN112523495B (en) | 2020-12-03 | 2020-12-03 | Support capable of supporting wall formwork on single side |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011398609.0A CN112523495B (en) | 2020-12-03 | 2020-12-03 | Support capable of supporting wall formwork on single side |
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| CN112523495A CN112523495A (en) | 2021-03-19 |
| CN112523495B true CN112523495B (en) | 2022-05-31 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445739A (en) * | 2021-06-03 | 2021-09-28 | 中国核工业华兴建设有限公司 | Adjustable unilateral template supporting device |
| CN113211608B (en) * | 2021-06-11 | 2023-06-16 | 河南聚誉帆工程技术咨询有限公司 | Assembled integral shear wall die and mounting method |
| CN113482344B (en) * | 2021-06-21 | 2024-03-29 | 中国一冶集团有限公司 | Adjustable aluminum die diagonal bracing device and construction method thereof |
| CN114150868A (en) * | 2021-11-19 | 2022-03-08 | 南京固华金属制品有限公司 | Fixing and supporting system for single-side wall concrete pouring template |
| CN116219967A (en) * | 2023-04-24 | 2023-06-06 | 中国水利水电第三工程局有限公司 | Construction method of downstream dam face step structure of roller compacted concrete dam |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2360518Y (en) * | 1998-05-25 | 2000-01-26 | 北京桑利模板经营有限责任公司 | Single wall climbing form |
| KR101719109B1 (en) * | 2016-11-14 | 2017-04-05 | 최승조 | Height adjustment for formwork |
| CN207934448U (en) * | 2018-02-09 | 2018-10-02 | 中建五局第三建设有限公司 | A kind of shear wall inner corner trim single side formwork bracing means |
| CN109025250A (en) * | 2018-06-22 | 2018-12-18 | 中建五局华东建设有限公司 | Deep basal pit outer wall of basement integrates one side formwork support system |
| CN210177952U (en) * | 2019-06-13 | 2020-03-24 | 淮安市宏茂金属制品有限公司 | Vertical back ridge capable of preventing expansion die |
| CN210976624U (en) * | 2019-08-28 | 2020-07-10 | 史晓鸣 | Engineering construction template fixing device |
| CN210858018U (en) * | 2019-10-21 | 2020-06-26 | 重庆建工住宅建设有限公司 | Template supporting device |
| CN111502201B (en) * | 2020-05-11 | 2022-01-25 | 中国十七冶集团有限公司 | Building wall surface flattening machine |
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