CN111335181A - Mounting support frame and mounting method for cast-in-place concrete structure template of steel-concrete composite beam flange plate - Google Patents
Mounting support frame and mounting method for cast-in-place concrete structure template of steel-concrete composite beam flange plate Download PDFInfo
- Publication number
- CN111335181A CN111335181A CN202010304803.1A CN202010304803A CN111335181A CN 111335181 A CN111335181 A CN 111335181A CN 202010304803 A CN202010304803 A CN 202010304803A CN 111335181 A CN111335181 A CN 111335181A
- Authority
- CN
- China
- Prior art keywords
- vertical connecting
- steel
- rod
- cast
- plate
- 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.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The invention relates to the technical field of steel-concrete composite beam construction, in particular to a mounting support frame and a mounting method for a cast-in-place concrete structure formwork of a flange plate of a steel-concrete composite beam. The support frame comprises a support frame body, wherein the support frame body is of a right-angled triangle structure formed by welding a horizontal connecting rod, a vertical connecting rod and an oblique rod, the upper end of the vertical connecting rod is connected with a top plate of a steel structure box girder, the lower end of the vertical connecting rod is provided with an adjusting rod sleeve, an adjusting rod is arranged in the adjusting rod sleeve, and the vertical connecting rod is connected with a web plate of the steel structure box girder through the adjusting rod; and a template supporting beam is arranged above the horizontal connecting rod, and a template is arranged above the template supporting beam. The method reduces the construction processes of scaffold erection and removal during cast-in-place reinforced concrete flange plate construction, optimizes the construction process steps, reduces the manual use of flange plate template installation, reduces the labor intensity of workers, improves the construction efficiency and saves the engineering cost.
Description
Technical Field
The invention relates to the technical field of steel-concrete composite beam construction, in particular to a mounting support frame and a mounting method for a cast-in-place concrete structure formwork of a flange plate of a steel-concrete composite beam.
Background
The steel-concrete composite structure can give full play to the advantages of steel and concrete, can effectively reduce the self weight of the structure compared with a concrete structure, can obviously improve the rigidity and stability and save the steel consumption compared with a steel structure, and has good economic and technical characteristics, thereby being widely applied to engineering practice. In particular to a steel-concrete combined continuous steel beam in bridge engineering, which has the advantages of large bending and torsional rigidity, strong integrity, good earthquake resistance, strong spanning capability, quick construction and the like, and is widely applied to bridge engineering construction.
The flange plate of the reinforced concrete composite beam is of a reinforced concrete structure, concrete is poured together with the bridge floor to form a reinforced concrete bridge floor structure, a scaffold needs to be erected before concrete is poured, then concrete is poured at last by installing the flange plate template, the bridge height is high, and the flange plate belongs to the bridge floor overhanging poured concrete structure, high-altitude operation needs to be carried out on the scaffold erected for pouring the flange plate and template construction, the labor intensity of workers is high, the safety risk is high, a large amount of labor is needed for scaffold installation and dismantling, the labor time is long, and the cost of repeatedly renting the scaffold is high.
Disclosure of Invention
In order to solve the technical problems, the invention provides the mounting support frame for the cast-in-place concrete structure template of the reinforced concrete composite beam flange plate and the mounting method thereof, which are used for reducing the labor cost, optimizing the construction process, reducing the construction steps and improving the construction efficiency.
The invention adopts the following technical scheme:
a cast-in-place concrete structure formwork mounting support frame for a steel-concrete composite beam flange plate comprises a support frame body, wherein the support frame body is of a right-angled triangle structure formed by welding a horizontal connecting rod, a vertical connecting rod and an inclined rod; and a template supporting beam is arranged above the horizontal connecting rod, and a template is arranged above the template supporting beam.
Compared with the prior art, the invention has the beneficial effects that:
the support frame reduces the construction procedures of erecting and dismantling the scaffold when the cast-in-place reinforced concrete flange plate is constructed, reduces the labor cost for installing the flange plate, reduces the labor intensity of constructors, improves the working efficiency and shortens the construction period.
Further, the invention adopts the following preferable scheme:
and reinforcing rods in a continuous triangular structure are arranged among the horizontal connecting rods, the vertical connecting rods and the inclined rods.
The top of the vertical connecting rod is provided with a connecting plate, and the vertical connecting rod is connected with the top plate of the steel structure box girder through the connecting plate; the bottom of vertical connecting rod transversely is provided with the regulation pole sleeve, and vertical connecting rod is connected with the regulation pole through adjusting the pole sleeve.
The adjusting rod comprises a screw rod and a clamping support, a steel base plate is arranged at one end of the screw rod, the other end of the screw rod is installed in an adjusting rod sleeve, two ends of the adjusting rod sleeve are respectively provided with a clamping support, and the adjusting rod sleeve is locked through the clamping supports at the two ends of the adjusting rod sleeve.
The upper end face of the connecting plate is welded with a vertical connecting bolt, and the connecting plate is connected with the top plate of the steel structure box girder through the vertical connecting bolt and is locked through a movable nut on the vertical connecting bolt.
A method for installing a cast-in-place concrete structure template of a flange plate of a steel-concrete composite beam comprises the following steps:
A. manufacturing bolt holes in an outer eaves plate of a top plate of the steel box girder, and manufacturing a plurality of supporting frames and adjusting rods matched with the supporting frames according to the width of the overhanging cast-in-place reinforced concrete flange plate and the length of a construction section;
B. the support frames correspond to the adjusting rods one by one, the adjusting rods penetrate through the adjusting rod sleeves of the corresponding support frames, and two ends of each adjusting rod sleeve are clamped tightly by clamping supports;
C. connecting a connecting plate at the upper end of the vertical connecting rod with a top plate of the steel structure box girder into a whole through a vertical connecting bolt;
D. adjusting a screw rod of the adjusting rod to enable the screw rod to be in a horizontal state, adjusting the length of one end, close to the steel structure box girder, of the screw rod, and enabling a top plate at the end part of the screw rod to tightly push a web plate of the steel structure box girder;
E. repeating the step A to the step D to finish the installation of the support frames at other construction positions;
F. a horizontal connecting rod of the supporting frame is provided with a template joist, and a template is arranged on the template joist;
G. installing a flange plate steel bar and a steel bar base plate of the overhanging cast-in-place concrete structure and installing a bolt isolation protective sleeve on a vertical connecting bolt on a support frame;
H. pouring overhanging cast-in-place concrete structure flange plate concrete;
I. sequentially removing the bolt isolation protective sleeves in the cast-in-place reinforced concrete flange plate, then unscrewing the vertical connecting bolts on the top plate of the steel structure box girder, removing the support frame from the steel structure box girder, then removing the template joist and the template, and completing the construction of the section of the overhanging cast-in-place reinforced concrete flange plate;
J. and D, repeating the step C to the step I, and finishing construction of the overhanging cast-in-place reinforced concrete flange plate of the other part sections.
The method optimizes the construction process steps, reduces the manual use of installing the flange plate template, saves the lease cost of the scaffold, saves the engineering cost, reduces the safety risk of the worker construction, and improves the construction efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a stent body;
FIG. 3 is a schematic structural view of the adjustment lever;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic structural view of cast concrete;
FIG. 6 is a schematic view after construction is completed;
in the figure: a vertical connecting rod 1; a horizontal connecting rod 2; a diagonal member 3; a reinforcing rod 4; an adjustment rod sleeve 5; a connecting plate 6; a screw 7; a steel backing plate 8; a card holder 9; a vertical connecting bolt 10; a removable shim 1001; a movable nut 1002; a steel structural box beam web 11; a steel box girder top plate 12; reinforcing steel bars 13; a reinforcement spacer 14; a bolt spacer sleeve 15; a template joist 16; a template 17; and concrete 18.
Detailed Description
The invention is further described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3, the formwork installing and supporting frame for the cast-in-place concrete structure of the flange plate of the steel-concrete composite beam comprises a supporting frame body, wherein the supporting frame body is of a right-angled triangular frame structure formed by welding a horizontal connecting rod 2, a vertical connecting rod 1 and an oblique rod 3, and reinforcing rods 4 are welded among the horizontal connecting rod 2, the vertical connecting rod 1 and the oblique rod 3. The horizontal welding of the upper end of vertical connecting rod 1 has a connecting plate 6, and the upper surface welding of connecting plate 6 has vertical connecting bolt 10, and connecting plate 6 is connected with steel construction box girder roof 12 through vertical connecting rod 1, and locks through activity gasket 1001 and the movable nut 1002 on vertical connecting bolt 10. The outside cover of vertical connecting bolt 10 is equipped with bolt distance sleeve 15, and bolt distance sleeve 15 prevents that vertical connecting bolt 10 can not be dismantled because of pouring the concrete.
The lower extreme horizontal welding of vertical connecting rod 1 has an adjusting rod sleeve 5, and adjusting rod sleeve 5 sets up with vertical connecting rod 1 is perpendicular. The adjusting rod is held in the palm 9 by screw rod 7 and two cards and is constituteed, in screw rod 7 inserts adjusting rod sleeve 5, respectively hold in the palm 9 (the card holds in the palm 9 and is the nut that matches with screw rod 7) locking with a card at adjusting rod sleeve 5's both ends respectively, the vertical welding of screw rod 7's left end has a steel backing plate 8, through the reach of adjusting screw rod 7 left end, make steel backing plate 8 top on steel construction box girder web 11 to prevent that the support frame body from taking place the rotation about. A template joist 16 is arranged above the horizontal connecting rod 2, and a template 17 is fixedly arranged above the template joist 16.
In the embodiment, the diameter of the steel pipe is 48.3mm, the wall thickness is 3.6mm, the length of the horizontal connecting rod 2 is 1.0-1.5 m, the height of the vertical connecting rod 1 is 0.5m, and the length of the horizontal connecting rod 2 and the height of the vertical connecting rod 1 can be changed according to actual requirements according to the requirements of construction engineering; the reinforcing rod 4 inside the support frame body, the horizontal connecting rod 2, the vertical connecting rod 1 and the inclined rod 3 are welded into a continuous triangle. The adjusting rod sleeve 5 is positioned at the lower end of the vertical connecting rod 1 and is welded and fixed with the vertical connecting rod 1 at an angle of 90 degrees; vertical connecting bolt 10's bolt diameter is 30mm, vertical connecting bolt 10's bottom and horizontal connecting rod 2's top end face welded fastening, set up a movable nut 1002 on vertical connecting bolt 10, vertical connecting bolt 10 passes through movable nut 1002 and locks with steel construction box girder roof 12, in order to prevent that movable nut 1002 is not hard up, also can increase removable gasket 1001 between movable nut 1002 and steel construction box girder roof 12, connecting plate 6 is a length of side 100mm, 10 mm's thick square steel plate. The steel backing plate 8 on the adjusting rod is the same as the connecting plate 6 in size and thickness, and the clamping support 9 of the adjusting rod is a nut with the inner diameter of 30mm, the outer diameter of 40mm and the thickness of 20 mm; the bolt isolation sleeve 15 is a steel sleeve with an inner diameter of 40mm, an outer diameter of 50mm and a wall thickness of 5 mm.
A method for installing a cast-in-place concrete structure template of a flange plate of a steel-concrete composite beam comprises the following steps:
A. and manufacturing a plurality of support frames and an adjusting rod matched with each support frame according to the width of the overhanging cast-in-place reinforced concrete flange plate and the length of a construction section.
B. The supporting frames and the adjusting rods are arranged in a one-to-one correspondence mode, the same group of adjusting rods penetrate through the adjusting rod sleeve 5 matched with the same group of adjusting rods, and the two ends of the adjusting rod sleeve 5 are clamped tightly by the clamping supports 9 respectively.
C. The connecting plate 6 at the upper end of the vertical connecting rod 1 is connected with the steel structure box girder top plate 12 into a whole through a vertical connecting bolt 10.
D. Adjusting the screw 7 of the adjusting rod to enable the screw 7 to be in a horizontal state, adjusting the length of the screw 7 close to one end of the steel structure box girder, and enabling the steel base plate 8 at the end part of the screw 7 to tightly push the steel structure box girder web 11.
E. And D, repeating the step A to the step D to finish the installation of the support frames at other construction positions.
F. A template joist 16 is arranged on the horizontal connecting rod 2 of the supporting frame, and a template 17 is arranged on the template joist 16.
G. The method comprises the steps of installing a steel bar cushion block 14 and steel bars 13 of a flange plate of the overhanging cast-in-place concrete structure, and installing a bolt isolation protective sleeve 15 on a vertical connecting bolt 10 on a support frame.
H. And pouring concrete 18 of the overhanging cast-in-place concrete structure flange plate.
I. And sequentially removing the bolt isolation protective sleeves 15 in the cast-in-place reinforced concrete flange plate, unscrewing the vertical connecting bolts 10 on the steel structure box girder top plate 12, removing the support frame from the steel structure box girder, removing the template joist 16 and the template 17, filling and compacting the cavity formed on the poured concrete flange plate by using mortar, grouting material or fine aggregate concrete after the vertical connecting bolts 10 are removed from the steel structure box girder, and completing the construction of the cantilever cast-in-place reinforced concrete flange plate.
J. And D, repeating the step C to the step I, and finishing construction of the overhanging cast-in-place reinforced concrete flange plate of the other part sections.
According to the technical scheme, the cantilever type cast-in-place reinforced concrete flange plate formwork of the bridge steel box girder is installed by using the triangular formwork support frame. The support frame is connected with the outer edge of a steel structure box girder top plate 12 through vertical connecting bolts 10 to form a whole, and the vertical connecting bolts 10 provide vertical pulling force for the template support system. The support frame can also be used for installing a prefabricated reinforced concrete overhanging type cast-in-place reinforced concrete flange plate template with an outer edge, bolt holes for installing vertical connecting bolts 10 are reserved on a prefabricated box girder before the support frame is installed, and the support frame can be directly fixed with the prefabricated box girder through the vertical connecting bolts 10; the method can also be used for installing the steel box girder without the outer edge and the precast concrete cantilever type cast-in-place concrete flange plate template, and before the support frame is installed, a component for installing the vertical connecting bolt 10 needs to be welded on the steel box girder or a component for installing the vertical connecting bolt 10 needs to be embedded on the cast-in-place concrete box girder.
The invention optimizes the construction process, reduces the construction procedures and improves the construction efficiency; and moreover, the labor intensity of constructors is reduced, the increase of labor cost is reduced, the lease of the scaffold is reduced, the construction period is shortened, and the construction cost is saved.
The above description is only for the specific embodiment of the present invention, but the protection of the present invention is not limited thereto, and all equivalent changes or substitutions to the technical features of the present invention that can be made by those skilled in the art are included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a cast-in-place concrete structure formwork erection bracing frame of steel concrete composite beam flange board, includes the support frame body, its characterized in that: the support frame body is of a right-angled triangle structure formed by welding a horizontal connecting rod, a vertical connecting rod and an oblique rod, the upper end of the vertical connecting rod is connected with a top plate of the steel structure box girder, the lower end of the vertical connecting rod is provided with an adjusting rod sleeve, an adjusting rod is arranged in the adjusting rod sleeve, and the vertical connecting rod is connected with a web plate of the steel structure box girder through the adjusting rod; and a template supporting beam is arranged above the horizontal connecting rod, and a template is arranged above the template supporting beam.
2. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 1, wherein: and reinforcing rods in a continuous triangular structure are arranged among the horizontal connecting rods, the vertical connecting rods and the inclined rods.
3. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 1, wherein: the top of the vertical connecting rod is provided with a connecting plate, and the vertical connecting rod is connected with the top plate of the steel structure box girder through the connecting plate; the bottom of vertical connecting rod transversely is provided with the regulation pole sleeve, and vertical connecting rod is connected with the regulation pole through adjusting the pole sleeve.
4. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 1, wherein: the adjusting rod comprises a screw rod and a clamping support, a steel base plate is arranged at one end of the screw rod, the other end of the screw rod is installed in an adjusting rod sleeve, two ends of the adjusting rod sleeve are respectively provided with a clamping support, and the adjusting rod sleeve is locked through the clamping supports at the two ends of the adjusting rod sleeve.
5. The formwork installation support frame for the cast-in-place concrete structure of the reinforced concrete composite beam flange plate according to claim 3, wherein: the upper end face of the connecting plate is welded with a vertical connecting bolt, and the connecting plate is connected with the top plate of the steel structure box girder through the vertical connecting bolt and is locked through a movable nut on the vertical connecting bolt.
6. A method for installing a cast-in-place concrete structure template of a flange plate of a steel-concrete composite beam is characterized by comprising the following steps of:
A. manufacturing bolt holes in an outer eaves plate of a top plate of the steel box girder, and manufacturing a plurality of supporting frames and adjusting rods matched with the supporting frames according to the width of the overhanging cast-in-place reinforced concrete flange plate and the length of a construction section;
B. the support frames correspond to the adjusting rods one by one, the screw rods of the adjusting rods penetrate through the adjusting rod sleeves of the corresponding support frames, and two ends of each adjusting rod sleeve are clamped tightly by clamping supports;
C. connecting a connecting plate at the upper end of the vertical connecting rod with a top plate of the steel structure box girder into a whole through a vertical connecting bolt;
D. adjusting a screw rod of the adjusting rod to enable the screw rod to be in a horizontal state, adjusting the length of one end, close to the steel structure box girder, of the screw rod, and enabling a top plate at the end part of the screw rod to tightly push a web plate of the steel structure box girder;
E. repeating the step A to the step D to finish the installation of the support frames at other construction positions;
F. a horizontal connecting rod of the supporting frame is provided with a template joist, and a template is arranged on the template joist;
G. installing a steel bar cushion block and a steel bar of a flange plate of the overhanging cast-in-place concrete structure, and installing a bolt isolation protective sleeve on a vertical connecting bolt on a support frame;
H. pouring overhanging cast-in-place concrete structure flange plate concrete;
I. sequentially removing the bolt isolation protective sleeves in the cast-in-place reinforced concrete flange plate, then unscrewing the vertical connecting bolts on the top plate of the steel structure box girder, removing the support frame from the steel structure box girder, then removing the template joist and the template, and completing the construction of the section of the overhanging cast-in-place reinforced concrete flange plate;
J. and D, repeating the step C to the step I, and finishing construction of the overhanging cast-in-place reinforced concrete flange plate of the other part sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304803.1A CN111335181A (en) | 2020-04-17 | 2020-04-17 | Mounting support frame and mounting method for cast-in-place concrete structure template of steel-concrete composite beam flange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304803.1A CN111335181A (en) | 2020-04-17 | 2020-04-17 | Mounting support frame and mounting method for cast-in-place concrete structure template of steel-concrete composite beam flange plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111335181A true CN111335181A (en) | 2020-06-26 |
Family
ID=71179154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010304803.1A Pending CN111335181A (en) | 2020-04-17 | 2020-04-17 | Mounting support frame and mounting method for cast-in-place concrete structure template of steel-concrete composite beam flange plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111335181A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794501A (en) * | 2020-08-04 | 2020-10-20 | 舜元建设(集团)有限公司 | Pouring method of cast-in-situ cantilever structure formwork system |
| CN112575693A (en) * | 2020-11-30 | 2021-03-30 | 中交路桥建设有限公司 | Cantilever lifting appliance for reinforced concrete composite beam and safety protection method |
| CN112832137A (en) * | 2021-01-07 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Steel box-concrete combined beam bridge deck formwork system and construction method |
| CN113585105A (en) * | 2021-08-31 | 2021-11-02 | 中国水利水电第五工程局有限公司 | Bridge cornice rapid construction steel structure platform |
| CN113585075A (en) * | 2021-07-07 | 2021-11-02 | 中建八局第四建设有限公司 | Cast-in-place bridge deck formwork for steel-concrete composite beam |
-
2020
- 2020-04-17 CN CN202010304803.1A patent/CN111335181A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111794501A (en) * | 2020-08-04 | 2020-10-20 | 舜元建设(集团)有限公司 | Pouring method of cast-in-situ cantilever structure formwork system |
| CN112575693A (en) * | 2020-11-30 | 2021-03-30 | 中交路桥建设有限公司 | Cantilever lifting appliance for reinforced concrete composite beam and safety protection method |
| CN112832137A (en) * | 2021-01-07 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Steel box-concrete combined beam bridge deck formwork system and construction method |
| CN113585075A (en) * | 2021-07-07 | 2021-11-02 | 中建八局第四建设有限公司 | Cast-in-place bridge deck formwork for steel-concrete composite beam |
| CN113585105A (en) * | 2021-08-31 | 2021-11-02 | 中国水利水电第五工程局有限公司 | Bridge cornice rapid construction steel structure platform |
| CN113585105B (en) * | 2021-08-31 | 2022-11-11 | 中国水利水电第五工程局有限公司 | Bridge cornice rapid construction steel structure platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111335181A (en) | Mounting support frame and mounting method for cast-in-place concrete structure template of steel-concrete composite beam flange plate | |
| CN110331668B (en) | Construction method of bidirectional inclined V-shaped bridge tower of cable-stayed bridge without back cables | |
| CN101538831B (en) | Post-poured hidden coping construction method for converting simply supported beams into continuous beams | |
| CN110700105B (en) | Synchronous construction method for high pier column and tie beam and template used in same | |
| CN105040594A (en) | Variable cross-section box girder bridge closure segment construction method | |
| CN201099989Y (en) | High altitude great cantilever reinforced concrete structure high formwork base | |
| CN105672568A (en) | Stratified casting construction method of super-large-section stiffened concrete transfer beam | |
| CN109869153B (en) | Integral lifting cantilever formwork device for rapidly constructing shaft lining and construction method | |
| CN114134820A (en) | Formwork support and construction method for I-shaped composite beam cast-in-place bridge deck | |
| CN212025941U (en) | Cast-in-place concrete structure formwork mounting support frame for steel-concrete composite beam flange plate | |
| CN114214917A (en) | Steel pipe concrete tied arch bridge and construction method | |
| CN110878522B (en) | Main tower lower cross beam construction system and construction method | |
| CN104727446A (en) | Construction method of large aluminum alloy formwork at settlement joint | |
| CN111424948A (en) | Construction method and construction platform for cantilever structure layer of high-rise building | |
| CN109610707A (en) | A kind of design and rapid constructing method of prefabricated girder steel and floor fit flush | |
| CN114277672B (en) | Large-span prestressed concrete bent cap structure and construction method thereof | |
| CN111851318B (en) | Cantilever bridge side span formwork system and construction method thereof | |
| CN215518380U (en) | Bracket Bailey type support for construction of high pier cast-in-place beam in mountainous area | |
| CN214245382U (en) | Stainless steel-wood combined template applied to bare concrete | |
| CN111472284A (en) | Assembling method for cantilever of prefabricated segmental beam portal crane of urban viaduct | |
| CN111101617A (en) | Combined anti-cracking structure of filler wall and construction method | |
| CN216947881U (en) | Formwork support of I-shaped composite beam cast-in-situ bridge deck | |
| CN220364865U (en) | Integral cast-in-situ concrete bracket structure | |
| CN212224301U (en) | Anti structure of splitting of infilled wall combination | |
| CN213389745U (en) | Cantilever bridge side span formwork system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |