CN107297816B - Diaphragm cast-in-situ section template system for prefabricated T beam connection and construction method - Google Patents
Diaphragm cast-in-situ section template system for prefabricated T beam connection and construction method Download PDFInfo
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- CN107297816B CN107297816B CN201710719480.0A CN201710719480A CN107297816B CN 107297816 B CN107297816 B CN 107297816B CN 201710719480 A CN201710719480 A CN 201710719480A CN 107297816 B CN107297816 B CN 107297816B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/022—Means for inserting reinforcing members into the mould or for supporting them in the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a diaphragm cast-in-place section template system for connecting prefabricated T beams, wherein a plurality of cross arm channel steels are spanned on two adjacent prefabricated T beams, hanging baskets are respectively arranged at two sides of a diaphragm cast-in-place section, each hanging basket comprises a platform framework, each platform framework is connected with the corresponding cross arm channel steel through a hanging rod, a platform plate is arranged on each platform framework, a plurality of bottom channel steels are arranged at the bottom of the diaphragm cast-in-place section, two ends of the bottom channel steels are connected with the corresponding cross arm channel steels through screws, bottom dies are bridged on the plurality of bottom channel steels, side dies are respectively arranged at two ends of each bottom die, vertical back purlins are respectively arranged at the outer sides of the side dies, and the vertical back purlins at two ends of each bottom die are connected through opposite-pull bolts. The invention also discloses a construction method of the diaphragm cast-in-situ section for connecting the prefabricated T beam. The invention can realize the effective fixation of the bottom die, has simple and convenient operation, can effectively ensure the concrete pouring quality, has simple hanging basket structure, is convenient to install and detach, is more convenient for construction operation and can effectively ensure the safety of personnel.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a diaphragm cast-in-situ section template system for connecting prefabricated T beams and a construction method.
Background
The prefabricated T beam of bridge comprises beam rib, pterygoid lamina and diaphragm, and the interval is 70cm between two adjacent T beams after the installation is accomplished, and adjacent pterygoid lamina and diaphragm all are connected with the mode of pouring concrete to satisfy whole atress demand. At present, the construction of the existing diaphragm cast-in-situ section (pouring connection section between adjacent diaphragms) mainly adopts two methods, one is to set up a scaffold under the bridge to support the bottom die, and the scaffold is used as an operation platform for construction and pouring; the other is to hang the bottom die by iron wires and fix the bottom die on the bridge deck, and constructors can construct the steel bars and templates by simple hanging baskets. The first method has the advantages that the time consumption for setting up and removing the scaffold is long, and the cost is high; in the second method, because the diaphragm plate is large in height, the iron wires are limited in constraint force on the bottom die, slurry leakage is easy to occur, in addition, the bottom of the diaphragm plate in the construction range is not protected, large potential safety hazards are generated for pedestrians and traffic under the bridge, constructors use simple hanging baskets for construction, the danger is high, and the life safety of the constructors cannot be effectively guaranteed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a diaphragm plate cast-in-situ section template system for prefabricating T-beam connection and a construction method, which can realize effective fixation of a bottom die, is simple and convenient to operate, can effectively prevent template deformation and concrete leakage, ensures concrete pouring quality, and ensures that the diaphragm plates have better connection strength; the integral hanging basket is simple in structure and convenient to install and detach, so that constructors can more conveniently carry out construction operation, and safety of constructors and pedestrians under the bridge can be effectively guaranteed.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a cast-in-place section template system of diaphragm for prefabricating T roof beam is connected, it has a plurality of cross arm channel-section steel to span on two adjacent prefabricated T roof beams, the both sides of diaphragm cast-in-place section all are provided with the hanging basket, the hanging basket includes the platform skeleton, the platform skeleton is connected with corresponding cross arm channel-section steel through the jib, be provided with the platform board on the platform skeleton, the bottom of diaphragm cast-in-place section is provided with a plurality of pocket end channel-section steel, every the both ends of pocket end channel-section steel all are connected with corresponding cross arm channel-section steel through the screw rod, and the cross-section steel is gone up to span has the die block on a plurality of pocket end channel-section steel, the both ends of die block all are provided with the side form, the outside of side form all is provided with vertical back purlin, the vertical back purlin at die block both ends is connected through the split bolt runs through simultaneously vertical back purlin and the side form in die block both sides.
One end of the suspender is a threaded end, a nut is connected after the threaded end passes through the corresponding cross arm channel steel, the other end of the suspender is fixed with the platform framework, one end of the screw rod passes through the bottom channel steel and then is connected with the nut, and the other end of the screw rod passes through the corresponding cross arm channel steel and then is connected with the nut.
The bottom channel steel is perpendicular to the cast-in-place section of the diaphragm plate.
The novel horizontal beam type horizontal beam is characterized in that a plurality of protection vertical rods are fixed on the platform framework, the protection vertical rods are surrounded to form a door frame-shaped structure, the opening end of the door frame-shaped structure faces to the diaphragm plate cast-in-situ section, at least two protection vertical rods are arranged on each side of the door frame-shaped structure, and a plurality of horizontal beams are connected to the protection vertical rods on each side of the door frame-shaped structure from top to bottom.
The protection pole setting on each limit of door frame shape structure is gone up and is all connected with a plurality of poles of marking time top-down.
The inner side of the protective upright rod on each side of the door frame-shaped structure is also connected with a safety baffle.
A diaphragm cast-in-place section construction method for connecting prefabricated T beams comprises the following steps:
1) Manufacturing a hanging basket, wherein the hanging basket comprises a platform framework, a plurality of hanging rods are fixed on the platform framework, and a platform plate is further arranged on the platform framework;
2) A plurality of cross arm channel steels span the adjacent two prefabricated T beams, two hanging baskets are respectively arranged on two sides of the cast-in-place section of the cross diaphragm, the height of a platform plate of each hanging basket is smaller than the height of the bottom of the cast-in-place section of the cross diaphragm, and hanging rods of the hanging baskets are connected with the corresponding cross arm channel steels;
3) A plurality of bottom-holding channel steel are placed at the bottom of the diaphragm cast-in-situ section, and two ends of the bottom-holding channel steel are connected with corresponding cross arm channel steel through screws;
4) Installing a bottom die on the bottom channel steel, binding diaphragm cast-in-situ section steel bars on the prefabricated T beam, arranging side dies at two ends of the bottom die after the steel bars are bound, arranging vertical back purlins at the outer sides of the side dies, and simultaneously penetrating the side dies at two ends of the bottom die and the vertical back purlins by using split bolts to tighten the side dies at two ends of the bottom die;
5) Pouring concrete into a cavity formed by the bottom die and the side die;
6) After the concrete reaches the design strength, the split bolts, the side dies, the screw rods, the bottom channel steel and the bottom die are sequentially removed, finally, the suspenders are removed from the corresponding cross arm channel steel, and then the hanging basket is integrally hung from the construction area.
The bottom channel steel in the step 3) is perpendicular to the diaphragm cast-in-situ section.
One end of the suspender in the step 2) is a threaded end, a nut is connected after the threaded end passes through the corresponding cross arm channel steel, and the other end of the suspender is fixed with the platform framework.
And 3) one end of the screw rod in the step 3) penetrates through the bottom channel steel and then is connected with the nut, and the other end of the screw rod penetrates through the corresponding cross arm channel steel and then is connected with the nut.
The invention has the following beneficial effects: according to the invention, the bottom die is effectively fixed by fixing the bottom channel steel on the bridge deck through the screw, the operation is simple and convenient, the deformation of the template and the leakage of concrete can be effectively prevented, the concrete pouring quality is ensured, and the diaphragm plates have good connection strength; the whole basket that hangs simple structure, installation are dismantled conveniently, can make the traffic under the bridge avoid the construction to influence and normal operating for constructor can more convenient carry out construction operation and can effectively guarantee constructor and pedestrian's under the bridge safety.
Drawings
FIG. 1 is a schematic plan view of a diaphragm cast-in-place segment formwork system of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the structure at B-B in FIG. 2;
FIG. 4 is a schematic cross-sectional view of the structure at C-C in FIG. 2;
in the figure: 1. channel steel at the bottom of the pocket, 2, die block, 3, side form, 4, platform skeleton, 5, platform board, 6, jib, 7, diaphragm cast-in-place section, 8, first cross arm channel steel, 9, second cross arm channel steel, 10, nut, 11, screw rod, 12, vertical back purlin, 13, split bolt, 14, protection pole setting, 15, horizontal pole, 16, safety barrier, 17, step pole, 18, prefabricated T roof beam.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
As shown in fig. 1 and 2, in a diaphragm cast-in-place section template system for connecting prefabricated T beams, a plurality of cross arm channel steel spans on two adjacent prefabricated T beams 18, hanging baskets are respectively arranged on two sides of a diaphragm cast-in-place section 7, each hanging basket comprises a platform framework 4, the platform framework 4 is connected with corresponding cross arm channel steel through a hanging rod 6, a platform plate 5 is arranged on the platform framework 4, a plurality of bottom channel steel 1 is arranged at the bottom of the diaphragm cast-in-place section 7, two ends of each bottom channel steel 1 are connected with corresponding cross arm channel steel through a screw 11, a bottom die 2 is bridged on the plurality of bottom channel steel 1, side dies 3 are respectively arranged at two ends of the bottom die 2, vertical back purlins 12 are respectively arranged on the outer sides of the side dies 3, the vertical back purlins 12 at two ends of the bottom die 2 are connected through opposite pull bolts 13, the opposite pull bolts 13 simultaneously penetrate through the vertical back purlins 12 and the side dies 3 at two ends of the bottom die 2, and the side dies 3 at two ends of the bottom die 2 are tensioned by the opposite pull bolts 13, wherein the vertical back purlins 12 are used for enhancing the strength of the side dies 3 and preventing the side dies 3 from deforming.
Further, as shown in fig. 2, at least three split bolts 13 are disposed on the vertical back purlin 12 at two ends of the bottom die 2 from top to bottom, so as to better lock the side dies 3 at two ends of the bottom die 2. Two vertical back purlins 12 are a set of, two vertical back purlins 12 in every group are located the side form 3 outsides at die block 2 both ends respectively and are symmetrical arrangement, can set up multiunit vertical back purlins 12 along the horizontal direction of side form 3 to make the atress of side form 3 more even, can prevent better that side form 3 from taking place to warp, as shown in fig. 3, set up two sets of vertical back purlins 12 along the horizontal direction of side form 3.
Further, the vertical back purlin 12 is connected with the side mold 3 by iron nails.
Further, one end of the boom 6 is a threaded end, the threaded end penetrates through the corresponding cross arm channel steel and then is connected with a nut 10, the boom 6 is locked by the nut 10, the other end of the boom 6 is welded with the platform framework 4, as shown in fig. 4, one end of the screw 11 penetrates through the bottom channel steel 1 and then is connected with the nut 10, the other end of the screw 11 penetrates through the corresponding cross arm channel steel and then is connected with the nut 10, and two ends of the screw 11 are respectively locked by the nut 10.
The cross arm channel steel far away from the diaphragm cast-in-situ section 7 is defined as a first cross arm channel steel 8, the cross arm channel steel close to the diaphragm cast-in-situ section 7 is defined as a second cross arm channel steel 9, the platform framework 4 is mainly formed by connecting a plurality of first channel steels end to end, the platform framework 4 is of a rectangular structure, four corners of the platform framework 4 are respectively welded and fixed with one suspender 6, threaded ends of the two suspenders 6 far away from the diaphragm cast-in-situ section penetrate through the first cross arm channel steel 8 and then are connected with a nut 10, threaded ends of the two suspenders 6 close to the diaphragm cast-in-situ section 7 penetrate through the second cross arm channel steel 9 and then are connected with the nut 10, one end of a screw 11 penetrates through the bottom channel steel 1 and then is connected with the nut 10, and the other end of the screw 11 penetrates through the second cross arm channel steel 9 and then is connected with the nut 10. It can be appreciated that the bottom channel steel 1, the first cross arm channel steel 8 and the second cross arm channel steel 9 are provided with through holes for penetrating the suspender 6 or the screw 11.
Specifically, the whole length of hanging basket is 0.7m, and the width is 0.7m, and highly is 1.7m, and the specification of first channel-section steel is No. ten channel-section steels, and platform skeleton 4 is formed by four first channel-section steels head and the tail welding, and platform skeleton 4 is located diaphragm cast-in-place section 7 outside lower edge, and channel-section steel 1 adopts two a set of at the bottom of the pocket, and the specification of first cross arm channel-section steel 8 and second cross arm channel-section steel 9 is No. ten channel-section steels, and the specification that channel-section steel 1 adopted at the bottom of the pocket is No. five channel-section steels.
Further, as shown in fig. 1, the bottom channel steel 1 is perpendicular to the diaphragm cast-in-place section 7.
Further, a plurality of protection vertical rods 14 are welded and fixed on the platform framework 4, the plurality of protection vertical rods 14 enclose a door frame-shaped structure, the opening end of the door frame-shaped structure faces the diaphragm plate cast-in-situ section 7, at least two protection vertical rods 14 are arranged on each side of the door frame-shaped structure, and a plurality of horizontal rods 15 are connected to the protection vertical rods 14 on each side of the door frame-shaped structure from top to bottom so as to play a role of protecting a fence. The protection pole setting 14 on each side of the door frame-shaped structure is connected with a plurality of stepping rods 17 from top to bottom for constructors to climb, so that construction is facilitated. As shown in fig. 3, six protection uprights 14 are welded and fixed on the platform framework 4, the six protection uprights 14 enclose a door frame-shaped structure, an opening end of the door frame-shaped structure faces the diaphragm cast-in-situ section (namely, an end close to the diaphragm cast-in-situ section 7 is an opening end of the door frame-shaped structure, the protection uprights 14 are not arranged at the opening end), two protection uprights 14 are arranged on each side of the door frame-shaped structure, and a plurality of stepping rods 17 are connected to the two protection uprights 14 on each side of the door frame-shaped structure from top to bottom.
The inner side of the protective upright pole 14 on each side of the door frame-shaped structure is also connected with a safety baffle 16 so as to better play a role in protection, so that the periphery of the hanging basket is sealed, and construction is prevented from falling from high altitude.
A diaphragm cast-in-place section construction method for connecting prefabricated T beams comprises the following steps:
1) The method comprises the steps of manufacturing a hanging basket, wherein the hanging basket comprises a platform framework 4, a plurality of hanging rods 6 are fixed on the platform framework 4, and a platform plate 5 is further arranged on the platform framework 4;
further, a plurality of protection vertical rods 14 are fixed on the platform framework 4, the plurality of protection vertical rods 14 enclose a door frame-shaped structure, the opening end of the door frame-shaped structure faces the diaphragm cast-in-situ section 7, at least two protection vertical rods 14 are arranged on each side of the door frame-shaped structure, a plurality of horizontal rods 15 are connected to the protection vertical rods 14 on each side of the door frame-shaped structure from top to bottom, a plurality of stepping rods 17 are connected to the protection vertical rods 14 on each side of the door frame-shaped structure from top to bottom, and a safety baffle 16 is further connected to the inner side of the protection vertical rods 14 on each side of the door frame-shaped structure;
2) A plurality of cross arm channel steels span the adjacent two prefabricated T beams 18, two hanging baskets are respectively arranged on two sides of the cross arm cast-in-situ section 7, the height of the platform plate 5 of each hanging basket is smaller than the height of the bottom of the cross arm cast-in-situ section 7, and the hanging rods 6 of each hanging basket are connected with the corresponding cross arm channel steels;
further, the platform plate 5 is 16cm lower than the bottom of the diaphragm cast-in-situ section 7;
further, one end of the suspender 6 is a threaded end, the threaded end passes through the corresponding cross arm channel steel and is locked by the nut 10 so as to fix the hanging basket, and the other end of the suspender 6 is fixed with the platform framework 4.
3) A plurality of bottom channel steel 1 are placed at the bottom of the diaphragm cast-in-situ section 7, and two ends of the bottom channel steel 1 are connected with corresponding cross arm channel steel through screw rods 11;
further, the bottom channel steel 1 is vertical to the diaphragm cast-in-situ section 7;
the bottom of the screw 11 passes through the bottom channel steel 1 and then is screwed by the nut 10, and the top of the screw 11 passes through the corresponding cross arm channel steel and then is screwed by the nut 10.
4) Installing a bottom die 2 on the bottom channel steel 1, binding diaphragm plate cast-in-situ section steel bars on the prefabricated T beam, arranging side dies 3 at two ends of the bottom die 2 after the steel bars are bound, arranging vertical back purlin 12 at the outer sides of the side dies 3, and simultaneously penetrating the side dies 3 at two ends of the bottom 2 and the vertical back purlin 12 by using split bolts 13 to be used for tensioning the side dies 3 at two ends of the bottom die 2 so as to prevent the side dies 3 from moving and deforming;
5) Pouring concrete into a cavity formed by the bottom die 2 and the side die 3;
6) After the concrete reaches the design strength, the split bolts 13, the side dies 3, the screw rods 11, the bottom channel steel 1 and the bottom die 2 are sequentially removed, and finally, after the nuts 10 connected to the suspender 6 are unscrewed and removed, the suspender 6 is removed from the corresponding cross arm channel steel, and then the hanging basket is integrally hung from a construction area.
According to the invention, the bottom channel steel 1 is suspended and fixed on the bridge deck through the screw 11 to realize effective fixation of the bottom die 2, the operation is simple and convenient, the weight of the bottom die 2 and the diaphragm plate concrete can be well born, the deformation of the template and the concrete leakage are effectively prevented, the deformation of the template can be further prevented through the design of the vertical back purlin 12 and the split bolt 13, the concrete pouring quality is ensured, and the diaphragm plates have good connection strength; the integral hanging basket is simple in structure, convenient to install and detach, and the periphery of the hanging basket is sealed, so that the traffic under the bridge can be prevented from being influenced by construction and normally run, constructors can more conveniently carry out construction operation, and safety of the constructors and pedestrians under the bridge can be effectively guaranteed; the whole template system has low manufacturing cost, convenient and quick installation and disassembly, high turnover use times and convenient popularization and application.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A diaphragm cast-in-place section template system for prefabricating T roof beam connection, characterized by, it has a plurality of cross arm channel-section steel to span on two adjacent prefabricated T roof beams, the both sides of diaphragm cast-in-place section all are provided with the hanging basket, the hanging basket includes the platform skeleton, the platform skeleton is connected with corresponding cross arm channel-section steel through the jib, be provided with the platform board on the platform skeleton, the bottom of diaphragm cast-in-place section is provided with a plurality of pocket bottom channel-section steel, every pocket bottom channel-section steel's both ends all are connected with corresponding cross arm channel-section steel through the screw rod, cross over has the die block on a plurality of pocket bottom channel-section steel, the both ends of die block all are provided with the side form, the outside of side form all is provided with vertical back purlin, the vertical back purlin at die block both ends is connected through the split bolt, the split bolt runs through simultaneously vertical back purlin and the side form in die block both sides.
2. The diaphragm cast-in-place section template system for connecting prefabricated T beams of claim 1, wherein one end of the suspender is a threaded end, a nut is connected after the threaded end passes through the corresponding cross arm channel steel, the other end of the suspender is fixed with the platform framework, one end of the screw rod passes through the bottom pocket channel steel and then is connected with the nut, and the other end of the screw rod passes through the corresponding cross arm channel steel and then is connected with the nut.
3. The diaphragm cast-in-place section template system for prefabricated T-beam connection of claim 1, wherein said bottom channel is perpendicular to the diaphragm cast-in-place section.
4. The diaphragm cast-in-place section template system for connecting prefabricated T beams of claim 1, wherein a plurality of protection vertical rods are fixed on the platform framework, the protection vertical rods are enclosed to form a door frame-shaped structure, the opening end of the door frame-shaped structure faces to the diaphragm cast-in-place section, at least two protection vertical rods are arranged on each side of the door frame-shaped structure, and a plurality of horizontal rods are connected to the protection vertical rods on each side of the door frame-shaped structure from top to bottom.
5. The diaphragm cast-in-place section template system for prefabricated T-beam connection of claim 4, wherein a plurality of stepping bars are connected to the protective upright bars on each side of the door frame structure from top to bottom.
6. The diaphragm cast-in-place section template system for prefabricated T-beam attachment of claim 4 wherein a safety barrier is also attached to the inside of the protective uprights on each side of said door frame structure.
7. The construction method for the diaphragm cast-in-situ section for the prefabricated T beam connection is characterized by comprising the following steps of:
1) Manufacturing a hanging basket, wherein the hanging basket comprises a platform framework, a plurality of hanging rods are fixed on the platform framework, and a platform plate is further arranged on the platform framework;
2) A plurality of cross arm channel steels span the adjacent two prefabricated T beams, two hanging baskets are respectively arranged on two sides of the cast-in-place section of the cross diaphragm, the height of a platform plate of each hanging basket is smaller than the height of the bottom of the cast-in-place section of the cross diaphragm, and hanging rods of the hanging baskets are connected with the corresponding cross arm channel steels;
3) A plurality of bottom-holding channel steel are placed at the bottom of the diaphragm cast-in-situ section, and two ends of the bottom-holding channel steel are connected with corresponding cross arm channel steel through screws;
4) Installing a bottom die on the bottom channel steel, binding diaphragm cast-in-situ section steel bars on the prefabricated T beam, arranging side dies at two ends of the bottom die after the steel bars are bound, arranging vertical back purlins at the outer sides of the side dies, and simultaneously penetrating the side dies at two ends of the bottom die and the vertical back purlins by using split bolts to tighten the side dies at two ends of the bottom die;
5) Pouring concrete into a cavity formed by the bottom die and the side die;
6) After the concrete reaches the design strength, the split bolts, the side dies, the screw rods, the bottom channel steel and the bottom die are sequentially removed, finally, the suspenders are removed from the corresponding cross arm channel steel, and then the hanging basket is integrally hung from the construction area.
8. The construction method for the cast-in-situ section of the diaphragm plate for connecting the prefabricated T beam, which is characterized in that the bottom channel steel in the step 3) is perpendicular to the cast-in-situ section of the diaphragm plate.
9. The construction method for the cast-in-place section of the diaphragm plate for the connection of the prefabricated T beam according to claim 7, wherein one end of the suspender in the step 2) is a threaded end, the threaded end penetrates through the corresponding cross arm channel steel and is connected with a nut, and the other end of the suspender is fixed with the platform framework.
10. The construction method for the cast-in-place section of the diaphragm plate for the connection of the prefabricated T beam according to claim 7, wherein one end of the screw rod in the step 3) penetrates through the bottom channel steel and then is connected with the nut, and the other end of the screw rod penetrates through the corresponding cross arm channel steel and then is connected with the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710719480.0A CN107297816B (en) | 2017-08-21 | 2017-08-21 | Diaphragm cast-in-situ section template system for prefabricated T beam connection and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710719480.0A CN107297816B (en) | 2017-08-21 | 2017-08-21 | Diaphragm cast-in-situ section template system for prefabricated T beam connection and construction method |
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| CN107297816B true CN107297816B (en) | 2023-07-21 |
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| CN108277745A (en) * | 2017-12-27 | 2018-07-13 | 中交第二航务工程局有限公司 | A kind of T beams suspension operation platform structure and T beam interval board construction methods |
| CN111979925B (en) * | 2020-09-15 | 2021-10-01 | 广西路桥工程集团有限公司 | Construction method for pouring diaphragm plate in hollow thin-wall pier by using fabricated construction platform |
| CN112627033A (en) * | 2020-12-04 | 2021-04-09 | 中国葛洲坝集团第一工程有限公司 | Diaphragm plate pouring template and method for precast beam on curved bridge |
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| CN102199916A (en) * | 2011-04-12 | 2011-09-28 | 中铁三局集团有限公司 | Cradle for pouring bridge cantilever and construction method of cradle |
| CN105839538A (en) * | 2016-04-29 | 2016-08-10 | 贵州桥梁建设集团有限责任公司 | Construction method and structure for rigid frame bridge cast-in-situ section non-welded support |
| CN207295406U (en) * | 2017-08-21 | 2018-05-01 | 五冶集团上海有限公司 | Diaphragm plate Cast-in-Situ Segment template system for Precast T-Beam connection |
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| CN107297816A (en) | 2017-10-27 |
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