CN110405938B - Construction method for prefabricated T-shaped beam web plate reinforcement auxiliary jig frame - Google Patents
Construction method for prefabricated T-shaped beam web plate reinforcement auxiliary jig frame Download PDFInfo
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- CN110405938B CN110405938B CN201910695189.3A CN201910695189A CN110405938B CN 110405938 B CN110405938 B CN 110405938B CN 201910695189 A CN201910695189 A CN 201910695189A CN 110405938 B CN110405938 B CN 110405938B
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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
- B28B23/024—Supporting means
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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
- B28B23/04—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 the elements being stressed
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- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction method of an auxiliary jig frame for binding prefabricated T-beam web steel bars, which is characterized by comprising the following steps of: a, preparing an auxiliary jig frame, binding a horseshoe reinforcement at the lower part of B, binding a vertical web steel bar, binding a diaphragm steel bar by using a hanging bracket, and binding a longitudinal steel bar; f, checking and accepting and hoisting; the invention can effectively improve the binding efficiency of the prefabricated T-beam reinforcing steel bars, effectively reduce the labor intensity of workers, accelerate the construction progress and save the construction period; the binding quality of the steel bars is effectively improved, the common quality problems that the space after the steel bars are bound is not consistent with the design, is not perpendicular and the like are avoided, and the one-time acceptance pass rate is improved; the invention is once input, has more turnover use times and can effectively reduce the construction cost from multiple aspects.
Description
Technical Field
The invention relates to the field of building construction, in particular to a construction method of an auxiliary jig frame for binding prefabricated T-shaped beam web steel bars.
Background
With the rapid increase of economy in China, newly built expressways in the southwest area are continuously increased, and because more mountainous areas in the southwest area are steep, the bridge-tunnel ratio of the expressways is generally higher, and the expressways are constructed in a mode of hoisting prefabricated T beams when crossing valleys.
The prefabricated T-beam web plates are dense in reinforcing steel bar distribution and large in quantity, and the binding of the reinforcing steel bars is a key process for restricting the construction period and influencing the quality in the T-beam prefabricating process.
The construction method has the advantages that the binding efficiency of the prefabricated T-beam steel bars is low, the labor intensity of workers is high, the construction progress is slow, and the construction period is long; the binding quality of the reinforcing steel bars is not high, the common quality problems of inconsistent space and design, non-perpendicularity and the like after the reinforcing steel bars are bound frequently occur, the one-time acceptance check qualification rate is low, the input cost is high, and the construction cost is high.
Disclosure of Invention
The invention provides an auxiliary jig frame for binding prefabricated T-beam steel bars, which is manufactured according to a design drawing and mainly comprises a main frame, a steel bar positioning groove and a hanging bracket, and is mainly used for positioning T-beam webs and diaphragm plate steel bars. When the prefabricated T-beam steel bars are bound, the main frame and the steel bar positioning grooves are used for positioning and supporting the web steel bars (comprising horseshoe steel bars and vertical web steel bars), and the hanging bracket is used for positioning and supporting the diaphragm plate steel bars, so that the distance between the positioning steel bars is determined, the one-time qualification rate of the steel bars is improved, and the construction efficiency of workers is improved.
The purpose of the invention is realized as follows: prefabricated T web reinforcement assists bed-jig construction method includes:
a auxiliary jig preparation
A1 auxiliary jig frame preparation auxiliary jig frame is formed by welding steel pipes and steel bars;
a2 auxiliary jig steel bar positioning groove combines design drawing to design steel bar positioning groove and hanging rack according with steel bar spacing modulus, the auxiliary jig steel bar positioning groove is made of steel material and installed on the pedestal, the opening position of the positioning groove must be accurate, and the auxiliary jig steel bar positioning groove can be used after experience folding;
a3 hanger is prepared, the hanger is hung and fixed on the main frame, and is formed by processing and welding seamless steel HPB steel bars;
a4 preparation of the rainshed, welding the rainshed at the uppermost end of the main frame;
b, binding the horseshoe reinforcements at the lower part by positioning the intervals of the reinforcements through the reinforcement positioning grooves, and controlling the transverse positions of the vertical web reinforcements in a wire pulling mode;
c, binding the vertical web steel bars by using the steel bar positioning grooves and the bound steel bar positioning intervals, and controlling the transverse positions of the vertical web steel bars in a wire pulling mode before binding the vertical web steel bars;
d transverse partition plate steel bar binding transverse partition plate steel bars are bound by utilizing the hanging bracket, and the positions of the transverse partition plate steel bars with different diameters need to be noticed during binding
E, binding the longitudinal steel bars after the vertical web steel bars are positioned and bound,
f acceptance and lifting
Further, in the step A1, the longitudinal steel pipes and the supporting steel pipes of the main frame are made of phi 60 multiplied by 4 seamless steel pipes, and the truss steel bars and the hoisting rings of the main frame are made of HPB steel bars with the diameter of 10 mm. The main frame must ensure sufficient intensity, rigidity and stability, and the position of rings must be accurate, and the experience of entering a field closes and closes the grid rear and can come into operation.
Further, in step a2, the steel bar positioning slots are installed on the pedestal, and the strength of the concrete of the pedestal reaches the required specification.
Further, in the step a3, the hanger is formed by welding a phi 60 × 4 seamless steel tube and an 8mm HPB steel bar, the welding position of the steel bar on the steel tube must be accurate, and the hanger can be used after the experiential folding lattice.
Further, in the step B, the lower horseshoe steel bars are installed firstly, then the bottom longitudinal steel bars are placed, and then binding of the horseshoe steel bars and the longitudinal steel bars is carried out; before binding the horseshoe steel bars and the longitudinal steel bars, the steel bar spacing needs to be checked, and timely adjustment needs to be carried out due to errors.
Furthermore, in the step C, the vertical steel bars at the end parts of the two ends of the T-shaped beam are required to be sleeved under the longitudinal steel bars of the bound bottom plate, and then the vertical steel bars are placed into the steel bar positioning grooves one by one; when T-beam vertical web steel bars are installed, a vertical web steel bar closed ring needs to be sleeved in a lifting connecting steel wire rope, and the lifting connecting steel wire rope penetrates into a main frame lifting ring before the vertical steel bars are bound.
Furthermore, in the step E, attention needs to be paid to sleeving more than 4 circular reinforced concrete protective layer thickness control cushion blocks per square meter in advance on the longitudinal steel bars during binding, and the cushion blocks are arranged and fixed according to a quincunx shape.
Furthermore, in the step E, the banded T-shaped beam web plates and the diaphragm plate steel bars are checked to ensure firm banding; the T-beam web and the diaphragm plate reinforcing steel bars are hoisted by using the main frame, safety is required during hoisting, and relevant hoisting regulations meet relevant safety standard requirements; before lifting, the corrugated pipe needs to be penetrated and fixed firmly; after the steel bar is hoisted to the beam making pedestal, the position of the T beam steel bar is checked again, the unqualified position is adjusted again, after the self-inspection is qualified, a worker asks for the steel bar to be inspected and accepted, and after the inspection and acceptance is qualified, a template is installed, and the steel bar of the top plate of the T beam is bound after the template is installed.
The invention can effectively improve the binding efficiency of the prefabricated T-beam reinforcing steel bars, effectively reduce the labor intensity of workers, accelerate the construction progress and save the construction period;
the binding quality of the steel bars is effectively improved, the common quality problems that the space after the steel bars are bound is not consistent with the design, is not perpendicular and the like are avoided, and the one-time acceptance pass rate is improved;
the invention is once input, has more turnover use times and can effectively reduce the construction cost from multiple aspects.
Has the positive and beneficial effects that: due to the use of the invention, the quality of T-beam steel bar binding is improved, thereby improving the one-time acceptance qualification rate of T-beam steel bar binding, reducing rework and renovation, saving labor resources, further reducing the time wasted by rework, and establishing the image of a unit, thereby obtaining the acceptance of a manager, an owner, a quality supervision station and people in all communities.
The cost and construction period comparative analysis is carried out by taking the binding of a 30m prefabricated T-beam steel bar (8 workers are used as a base number) as an example, and the analysis result is shown in the following table 10.1.
TABLE 1 comparative analysis table for binding cost and construction period of 30mT beam steel bar
As can be seen from the table above, if one piece of 30m T-beam steel bar is bound, the labor cost can be saved by about 800 yuan and the construction period can be shortened by about 0.5 day if the auxiliary jig frame is used. Therefore, the invention can generate considerable economic benefits.
Drawings
FIG. 1 is a main auxiliary jig frame of the present invention;
FIG. 2 is a reinforcement positioning slot of the auxiliary jig of the present invention;
FIG. 3 is an auxiliary jig hanger of the present invention;
FIG. 4 is an effect diagram of the auxiliary jig frame of the present invention without installing a canopy;
FIG. 5 is an overall effect diagram of the auxiliary jig frame of the present invention;
FIG. 6 is a schematic view of the present invention showing the lashing of reinforcement bars to the lower portion of the web;
FIG. 7 is a schematic view of the present invention showing the lashing of web vertical rebars;
FIG. 8 is a schematic view of the diaphragm reinforcement of the present invention;
FIG. 9 is a process flow diagram of the present invention
Wherein, 1 is a supporting steel pipe; 2 is a hanging ring; 3 is a longitudinal steel pipe; 4 is truss steel bar; 5 is a positioning groove; 6 is a hanging bracket; 7 is a horseshoe steel bar; 8 is a transverse clapboard reinforcing steel bar; and 9 is a vertical web steel bar.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
a, auxiliary jig frame preparation,
preparation of a1 auxiliary jig main frame as shown in fig. 1, each part of the auxiliary jig main frame is formed by welding steel pipes and steel bars, the longitudinal steel pipe 3 and the support steel pipe 1 of the main frame are made of phi 60 x 4 seamless steel pipes, and the truss steel bars 4 and the hoisting rings 2 of the main frame are made of HPB steel bars with the diameter of 10 mm. The main frame must ensure sufficient intensity, rigidity and stability, and rings 2's position must be accurate, and the experience of going into the field closes and close the grid rear and can come into operation.
A2 preparation of auxiliary jig steel bar positioning grooves is shown in fig. 2, and a design drawing is combined to design steel bar positioning grooves 5 and a hanging rack which meet the modulus of the steel bar spacing, wherein the auxiliary jig steel bar positioning grooves 5 are made of steel materials and are installed on a pedestal, the concrete strength of the pedestal reaches the standard, the opening position of the positioning grooves 5 must be accurate, and the pedestal can be put into use after being subjected to empirical folding;
preparation of A3 hanger As shown in FIG. 3, hanger 6 is fixed on the main frame, hanger 6 is welded by phi 60X 4 seamless steel tube and 8mm HPB steel bar, the welding position of steel bar on steel tube must be accurate;
a4 the preparation of the rainshed is to weld the rainshed at the uppermost end of the main frame, and the rainshed can be put into use after the lattice is folded empirically;
b, binding the horseshoe reinforcements at the lower part, as shown in fig. 4, positioning the intervals of the reinforcements by using a reinforcement positioning groove 5 for binding, controlling the transverse position of the vertical web reinforcements 9 in a bracing wire mode, firstly installing the horseshoe reinforcements 7 at the lower part, then placing the longitudinal reinforcements at the bottom, and then binding the horseshoe reinforcements 7 and the longitudinal reinforcements; before binding the horseshoe steel bars 7 and the longitudinal steel bars, the steel bar spacing needs to be checked, and timely adjustment needs to be carried out if errors exist.
C, binding the vertical web steel bars, as shown in fig. 5, binding the vertical web steel bars by using the steel bar positioning grooves 5 and the positioning spaces of the bound steel bars, and controlling the transverse positions of the vertical web steel bars 9 in a pull wire mode before binding the vertical web steel bars 9; vertical steel bars at the end parts of the two ends of the T-shaped beam are required to be sleeved under the bound longitudinal steel bars of the bottom plate, and then the vertical steel bars are placed into the steel bar positioning grooves 5 one by one; when the T-beam vertical web steel bars 9 are installed, the vertical web steel bars 9 are required to be sleeved with the closed rings to be connected with the hoisting steel wire rope, and the hoisting steel wire rope penetrates into the main frame hoisting ring 2 before the vertical steel bars are bound.
D the transverse clapboard steel bars are bound as shown in figure 6, the transverse clapboard steel bars 8 are bound by utilizing the hanging bracket 6, and the positions of the transverse clapboard steel bars 8 with different diameters need to be noticed during binding
E, binding longitudinal steel bars, as shown in fig. 7, after the positioning binding of the vertical web steel bars 9 is finished, binding the longitudinal steel bars, wherein during the binding, more than 4 circular reinforced concrete protective layer thickness control cushion blocks are sleeved on the longitudinal steel bars in advance, and the cushion blocks are arranged and fixed in a quincunx manner.
F, checking and accepting, hoisting, drawing and checking the bound T-beam vertical web steel bars 9 and diaphragm steel bars 8, and ensuring that binding is firm; the main frame is used for hoisting T-beam vertical web plate reinforcing steel bars 9 and diaphragm plate reinforcing steel bars 8, safety needs to be paid attention to during hoisting, and hoisting related regulations meet related safety standard requirements; before lifting, the corrugated pipe needs to be penetrated and fixed firmly; after the steel bar is hoisted to the beam making pedestal, the position of the T beam steel bar is checked again, the unqualified position is adjusted again, after the self-inspection is qualified, a worker asks for the steel bar to be inspected and accepted, and after the inspection and acceptance is qualified, a template is installed, and the steel bar of the top plate of the T beam is bound after the template is installed.
Engineering examples
The section from the mountain keeping to the Shidian of the Yunnan province high net S41 Wei (west) Yongde expressway is an important section of the planned province high net S41 Wei xi Yongde expressway, and is also a longitudinal connecting line from Hangzhou to the Ruili expressway (G56). The project starting point is connected with Hangzhou high speed, the Hangzhou high speed conversion can be connected with city surrounding high speed and Changzhou high speed in the Baoshan city, the stopping point and the planning dimension permanent high speed construction from the Dian to the Yongde section for direct connection, and the project is a newly-built bidirectional four-lane highway project. The route is generally distributed from north to south, from the near-term construction (Dian) Ka (Si) road to the distant-term construction (S41 Vietnam (Germany) expressway Schdian to the YongDe section. Total length of route 33.49 km (integrated mileage), starting and stopping point mileage of project: k0+ 000-K33 + 447.662. In the project, the prefabricated T-shaped beam for bridges such as a concave bridge and a prosperous bridge is prepared by adopting a prefabricated T-shaped beam web plate reinforcement binding auxiliary jig frame construction method, so that the effect is good, and a good demonstration effect is obtained.
The viaduct is located on the highway from the hillock to the Schen and is arranged to cross the E-turn road by a viaduct main line K19+ 603.5. The hole arrangement of the bridge is combined with the road under the bridge and controlled factors such as terrain, landform, geological hydrology and the like, and the left bridge span is arranged as follows: 40+ (4 × 29) + (3 × 30) + (4 × 29) + (55) +2 × (3 × 30) meters, the right span being arranged: 40+ (4 x 29) +30+30+ (4 x 29) + (55) +2 x (3 x 30) m, except that the left 1 and 5-part and the right 1 and 7-part adopt steel box beams, all the other parts adopt prestressed concrete T beams, wherein the 3 rd to 5 th parts of the right part are simply supported T beams. The lower structure pier is a column pier and is a cast-in-situ bored pile; the abutment platforms on both sides adopt gravity type abutment platforms, and the total length of the left bridge and the right bridge is 605.08 meters.
The wang bridge plane is located on a straight line and a JD15 left-turn curve (R is 1000 m, Ls is 200 m, and a is 34 degrees, 16' 29). The elevation is positioned on a vertical curve of 25000 meters (convex) and 1500 meters (concave), the longitudinal slope is changed from i1 to 1.8 percent (the slope length is 680 meters) to i2 to 0.8 percent (the slope length is 1110 meters), the mileage of a slope changing point of the vertical curve is K19+880, and the elevation of the slope changing point is 1533.538; the full bridge has 18 expansion joints in total.
The K20+ 607-substituted concave bridge is positioned on the integral road section from the hillock to the Shidian expressway. The bridge is arranged for crossing the valleys between the mountains, and the arrangement and the structural form of the hole-crossing are 13 holes and 30 meters (left width) and 13 holes and 30 meters (right width) prestressed (post-tensioned) concrete T-beams. The bridge adopts 4+5+4 holes (left side) and 4+5+4 holes (right side) which are connected in series after being simply supported, and the full bridge is provided with 8 expansion joints.
30m prestressed T-shaped continuous beam and simply supported beam. The continuous beam adopts a simple support-to-structure continuous mode, and the pier top at the continuous position is longitudinally provided with a single support.
The prefabricated height of the T-shaped beam is 2.0 meters, C50 cast-in-place bridge deck concrete with the thickness of 10 centimeters is arranged on the T-shaped beam, and the 10-centimeter asphalt concrete bridge deck pavement is realized. The distance between the T beams is 2.4 meters, the prefabricated width of the middle beam is 1.8 meters, and a transverse wet joint of 0.6 meter is reserved between the flange plates; the width of the beam rib of the prefabricated T-shaped beam spanning the middle section is 20cm, the width of the horseshoe is 50cm, the beam rib is gradually changed from 20cm to 50cm when the beam rib is close to the end part, the width of the beam rib is the same as that of the horseshoe, the gradually changed length of the beam rib is 3.6 meters, then the width of the beam rib is gradually changed from 50cm to 60cm, the gradually changed length of the beam rib is 1.2 meters, and the width of the beam rib is 60cm within the range of 1-1.4 meters. The bridge span positioned in the curve range is adjusted by a prefabricated T-beam outer cantilever plate to form a curve line shape; each hole of the bridge is provided with 3 middle partition plates, the end of the continuous beam close to the simply supported end is provided with a transverse partition plate, and the end close to the continuous end is not provided with the transverse partition plate, so that only one transverse partition plate is arranged; the simple supporting end is provided with two end clapboards; the middle clapboard is orthogonal to the main girder, and the end clapboard is arranged in the radial direction. The transverse slope of the top of the prefabricated T-shaped beam is the average value of the transverse slopes at the two ends of each hole. The transverse slope of the bottom surface of the middle clapboard is consistent with the transverse slope of the top of the beam, and the transverse slope of the bottom surface of the end clapboard is consistent with the transverse slopes of the two ends of each hole. The bridge deck transverse slope is adjusted by a capping beam and a support base stone, and beam shoes of a main beam longitudinal slope are arranged at the simply supported end of the prefabricated T-shaped beam in order to enable the support base to be horizontally arranged; the wet joint at the pier top continuous part is a solid section.
Claims (5)
1. The construction method of the prefabricated T-beam web plate reinforcement auxiliary jig frame is characterized by comprising the following steps of:
A. auxiliary jig preparation
A1 auxiliary jig frame preparation auxiliary jig frame is formed by welding steel pipes and steel bars;
a2 auxiliary jig steel bar positioning groove is combined with design drawings to design a steel bar positioning groove and a hanging rack which accord with the modulus of the steel bar spacing, the auxiliary jig steel bar positioning groove is made of steel materials and is arranged on a pedestal, the opening position of the positioning groove is accurate, and the auxiliary jig steel bar positioning groove can be used after the experience folding lattice;
a3 hanger is prepared, the hanger is hung and fixed on the main frame, and is formed by processing and welding seamless steel HPB steel bars;
a4 preparation of the rainshed, welding the rainshed at the uppermost end of the main frame;
B. binding the horseshoe reinforcements at the lower part by positioning the spacing of the reinforcements through the reinforcement positioning grooves, and controlling the transverse position of the vertical web reinforcements in a wire pulling mode;
in the step B, the lower horseshoe steel bars are installed firstly, then the bottom longitudinal steel bars are placed, and then binding of the horseshoe steel bars and the longitudinal steel bars is carried out; before binding the horseshoe steel bars and the longitudinal steel bars, checking the steel bar spacing, and adjusting in time if errors exist;
C. binding the vertical web plate reinforcing steel bars by utilizing the reinforcing steel bar positioning grooves and the bound reinforcing steel bar positioning intervals, and controlling the transverse positions of the vertical web plate reinforcing steel bars in a wire pulling mode before binding the vertical web plate reinforcing steel bars;
in the step C, the vertical web plate reinforcing steel bars at the end parts of the two ends of the T-shaped beam are required to be sleeved under the bound longitudinal reinforcing steel bars of the bottom plate, and then the T-shaped beam is placed into the reinforcing steel bar positioning grooves one by one; when the T-beam vertical web plate steel bars are installed, the vertical web plate steel bar closed ring needs to be sleeved with a lifting connecting steel wire rope, and the lifting connecting steel wire rope penetrates into a main frame lifting ring before the vertical steel bars are bound;
D. the transverse partition plate steel bars are bound by utilizing the hanging bracket, and the positions of the transverse partition plate steel bars with different diameters need to be noticed during binding;
E. binding the longitudinal steel bars after the vertical web steel bars are positioned and bound; during binding, more than 4 circular reinforced concrete protective layer thickness control cushion blocks are sleeved on the longitudinal steel bars in advance, and the cushion blocks are arranged and fixed in a quincunx manner;
F. checking and accepting, and hoisting.
2. The auxiliary jig frame construction method for binding the prefabricated T-beam web steel bars as claimed in claim 1, wherein in the step A1, the longitudinal steel pipes and the supporting steel pipes of the main frame are made of phi 60 x 4 seamless steel pipes, the truss steel bars and the lifting rings of the main frame are made of HPB steel bars with the diameter of 10mm, the main frame must ensure sufficient strength, rigidity and stability, the position of the lifting rings must be accurate, and the auxiliary jig frame construction method can be put into use after the folding lattice of the approach experience.
3. The auxiliary jig frame construction method for binding the prefabricated T-beam web steel bars as claimed in claim 1, wherein in the step A2, the steel bar positioning grooves are installed on a pedestal, and the concrete strength of the pedestal reaches the required specification.
4. The auxiliary jig frame construction method for binding the prefabricated T-beam web steel bars as claimed in claim 1, wherein in the step A3, the hanger is formed by welding phi 60 x 4 seamless steel tubes and 8mm HPB steel bars, the welding positions of the steel bars on the steel tubes must be accurate, and the hanger can be put into use after the experience folding grids.
5. The construction method for the auxiliary jig frame for binding the prefabricated T-beam web steel bars according to claim 1, wherein in the step E, the bound T-beam web steel bars and the cross slab steel bars are checked to ensure that the binding is firm; the T-beam web and the diaphragm plate reinforcing steel bars are hoisted by using the main frame, safety is required during hoisting, and relevant hoisting regulations meet relevant safety standard requirements; before lifting, the corrugated pipe needs to be penetrated and fixed firmly; after the steel bar is hoisted to the beam making pedestal, the position of the T beam steel bar is checked again, the unqualified position is adjusted again, after the self-inspection is qualified, a worker asks for the steel bar to be inspected and accepted, and after the inspection and acceptance is qualified, a template is installed, and the steel bar of the top plate of the T beam is bound after the template is installed.
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4228968A1 (en) * | 1991-09-12 | 1993-04-15 | Straengbetong Ab | T=shaped Concrete beam design - has reinforcements in concrete web and steel plates running length of beam along flange edges |
| CN102744784A (en) * | 2012-07-13 | 2012-10-24 | 中铁十六局集团铁运工程有限公司宁阳制梁场 | Heavy-load railway pre-cast T beam overall binding carcass and construction method thereof |
| CN104002377A (en) * | 2014-06-12 | 2014-08-27 | 中铁五局（集团）有限公司 | Steel bar binding and corrugated pipe locating device for precasting box girder |
| CN204076498U (en) * | 2014-07-28 | 2015-01-07 | 中国建筑第六工程局有限公司 | A kind of Precast T-Beam beam rib steel-bar binding location moulding bed |
| CN105171914A (en) * | 2015-08-27 | 2015-12-23 | 江苏省交通工程集团有限公司 | Precast box girder steel bar binding mould and mounting method thereof |
| CN106142338A (en) * | 2016-06-30 | 2016-11-23 | 中交航局第四工程有限公司 | A kind of prefabricated case beam framework of steel reinforcement loose tool binding construction method |
| CN207210963U (en) * | 2017-08-23 | 2018-04-10 | 中国水利水电第八工程局有限公司 | Jig structure for T beam steel bar colligations |
| CN108818919A (en) * | 2018-06-28 | 2018-11-16 | 广西长长路桥建设有限公司 | Precast T-Beam reinforcing bar is bound in advance and the construction method of integral installation |
| CN208618274U (en) * | 2018-06-29 | 2019-03-19 | 中交二公局第四工程有限公司 | A kind of assembled steel reinforced binding moulding bed group suitable for different size Precast T-Beams |
| CN208733470U (en) * | 2018-07-18 | 2019-04-12 | 云南省建设投资控股集团有限公司 | A kind of T beam steel bar colligation ancillary equipment support device |
| CN208733473U (en) * | 2018-07-24 | 2019-04-12 | 云南省建设投资控股集团有限公司 | A kind of T beam diaphragm plate reinforcing bar binding positioning auxiliary device |
-
2019
- 2019-07-30 CN CN201910695189.3A patent/CN110405938B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4228968A1 (en) * | 1991-09-12 | 1993-04-15 | Straengbetong Ab | T=shaped Concrete beam design - has reinforcements in concrete web and steel plates running length of beam along flange edges |
| CN102744784A (en) * | 2012-07-13 | 2012-10-24 | 中铁十六局集团铁运工程有限公司宁阳制梁场 | Heavy-load railway pre-cast T beam overall binding carcass and construction method thereof |
| CN104002377A (en) * | 2014-06-12 | 2014-08-27 | 中铁五局（集团）有限公司 | Steel bar binding and corrugated pipe locating device for precasting box girder |
| CN204076498U (en) * | 2014-07-28 | 2015-01-07 | 中国建筑第六工程局有限公司 | A kind of Precast T-Beam beam rib steel-bar binding location moulding bed |
| CN105171914A (en) * | 2015-08-27 | 2015-12-23 | 江苏省交通工程集团有限公司 | Precast box girder steel bar binding mould and mounting method thereof |
| CN106142338A (en) * | 2016-06-30 | 2016-11-23 | 中交航局第四工程有限公司 | A kind of prefabricated case beam framework of steel reinforcement loose tool binding construction method |
| CN207210963U (en) * | 2017-08-23 | 2018-04-10 | 中国水利水电第八工程局有限公司 | Jig structure for T beam steel bar colligations |
| CN108818919A (en) * | 2018-06-28 | 2018-11-16 | 广西长长路桥建设有限公司 | Precast T-Beam reinforcing bar is bound in advance and the construction method of integral installation |
| CN208618274U (en) * | 2018-06-29 | 2019-03-19 | 中交二公局第四工程有限公司 | A kind of assembled steel reinforced binding moulding bed group suitable for different size Precast T-Beams |
| CN208733470U (en) * | 2018-07-18 | 2019-04-12 | 云南省建设投资控股集团有限公司 | A kind of T beam steel bar colligation ancillary equipment support device |
| CN208733473U (en) * | 2018-07-24 | 2019-04-12 | 云南省建设投资控股集团有限公司 | A kind of T beam diaphragm plate reinforcing bar binding positioning auxiliary device |
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| CN110405938A (en) | 2019-11-05 |
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