CN112045841A - Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam - Google Patents
Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam Download PDFInfo
- Publication number
- CN112045841A CN112045841A CN202010889285.4A CN202010889285A CN112045841A CN 112045841 A CN112045841 A CN 112045841A CN 202010889285 A CN202010889285 A CN 202010889285A CN 112045841 A CN112045841 A CN 112045841A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- concrete
- making pedestal
- making
- foundation
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- 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
-
- 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
Abstract
The invention discloses a construction method of an assembled beam-making pedestal for prefabricating a high-speed railway box beam, and belongs to the technical field of high-speed railway box beam prefabrication. The method comprises the steps of firstly, carrying out waterproof protection construction on the existing roadbed, then hoisting the assembly type beam-making pedestal foundation on the roadbed, and finally, carrying out prefabricated box beam operation through the assembly type beam-making pedestal foundation. The assembled beam-making pedestal foundation comprises a plurality of sections of beam-making pedestal monomers which are sequentially connected, the connecting ends of two adjacent sections of beam-making pedestal monomers are spliced and connected by adopting a mortise and tenon structure, and the connecting parts of the mortise and tenon structure are fixedly connected by adopting long rod bolts. The construction method is environment-friendly, simple in construction process, strong in universality and high in popularization and practical value. Pedestal concrete member can have enough to meet the needs of reuse, has reduced the energy consumption, and economic effect is obvious, can satisfy the prefabricated standard requirement of railway box girder, does not need pedestal structure itself to strengthen the design, and pedestal basis adopts assembled design and construction, and is energy-concerving and environment-protective.
Description
Technical Field
The invention belongs to the technical field of high-speed railway box girder prefabrication, and particularly relates to a construction method of an assembly type girder-making pedestal for prefabricating a high-speed railway box girder.
Background
In 2019, a new line 8489 kilometer is put into production on national railways, wherein the high-speed railways 5474 kilometers open 26 projects in 2020, the new line is more than 4000 kilometers, and the bridge accounts for more than 45%. In the construction of domestic high-speed railways, according to the distribution of lines and bridges, a prefabricating yard for centralized prefabricating box girders is arranged at the position of two ends of a bridge cluster centralized section or an extra-large bridge, the maximum transport distance is not more than 20 km-30 km, and more than 90 prefabricated box girders of domestic high-speed railways are newly built every year.
The civil engineering of precast beam field has mainly included system beam pedestal, static test bench. The beam-making pedestal is usually a well-lattice, wall-type or steel pier and concrete slab combined pedestal, and the foundation is a pile foundation or a raft foundation. No matter what structure is adopted by the prefabricated pedestal, the pedestal and the foundation are both cast-in-place concrete, and the cast-in-place quantity of only the prefabricated pedestal and the foundation concrete in each beam yard is 2000m3Above, the concrete masonry structure cannot be recycled. After the box girder prefabrication is finished (the general prefabrication period is within 12 months), the prefabrication pedestal is directly broken and discarded, and a girder yard is reclaimed. 18000m of concrete construction waste generated by only prefabricating pedestals of prefabricated box girders of high-speed railway every year3In the above way, the consumption and the waste of concrete building materials are serious, and the land for waste is increased; and a large amount of dust and noise are generated in the breaking process, and the environmental pollution is serious.
Disclosure of Invention
The invention provides a construction method of an assembly type beam-making pedestal for prefabricating a high-speed railway box beam, which aims to solve a series of problems that the prefabricated pedestal and a foundation of the high-speed railway box beam cannot be recycled, the energy consumption and the waste of concrete are serious due to one-time use, the masonry amount of the concrete of a prefabricated pedestal structure is overlarge, the environmental damage is serious in the beam yard dismantling and reclamation process, the land is wasted and the like. The method is a construction method based on the green pollution-free fabricated building concept, and is particularly suitable for prefabricating and constructing 900t box girders of a 350Km high-speed railway.
The invention is realized by the following technical scheme:
a construction method for an assembly type beam-making pedestal for prefabricating a high-speed railway box beam comprises the following steps:
1) carry out water protection construction to existing road bed, specifically do: firstly, a 5 cm-thick water stabilization layer is constructed on a road surface, a layer of geomembrane is laid on the water stabilization layer, a layer of geotextile is laid on the geomembrane, a layer of sand-free concrete is poured on the geotextile to be used as a surface layer, and finally, leveling is carried out;
2) manufacturing an assembly type beam-making pedestal foundation, seating the assembly type beam-making pedestal foundation on the top surface of the constructed roadbed, and finally performing precast box beam operation through the assembly type beam-making pedestal foundation; the assembled beam manufacturing pedestal foundation comprises a plurality of sections of beam manufacturing pedestal monomers which are connected in sequence, the connecting ends of two adjacent sections of beam manufacturing pedestal monomers are spliced and connected by adopting a mortise and tenon structure, and long rod bolts are adopted at the connecting parts of the mortise and tenon structure for fixed connection.
Furthermore, the beam-making pedestal monomer is of a strip-shaped concrete structure which is integrally cast and formed, and consists of a wide strip body at the lower part and a narrow strip body at the upper part, and the vertical section of the beam-making pedestal monomer is in a convex shape; the beam-making pedestal single bodies are divided into two types of appearance styles, one type of beam-making pedestal single body is that the upper narrow strip bodies at the two ends of the beam-making pedestal single body are provided with bulges in an extending way, and the other type of beam-making pedestal single body is that the lower wide strip bodies at the two ends of the beam-making pedestal single body are provided with bulges in an extending way; the beam-making pedestal monomers of two appearance styles are sequentially and alternately and adjacently connected, and the convex narrow strip bodies and the convex wide strip bodies are mutually overlapped to form a mortise and tenon structure and are fixedly connected through long rod bolts.
Furthermore, on the system roof beam pedestal monomer, all be provided with the buried pipe that supplies the stock bolt to alternate on the convex narrow strip body and the convex wide strip body, convex narrow strip body and the mutual overlap joint back of convex wide strip body, the buried pipe butt joint intercommunication and the stock bolt interlude in the buried pipe that the butt joint is good and connect the two fixedly in the two.
Further, the manufacturing method of the beam-making pedestal monomer comprises the following steps: 1) assembling a module: firstly, polishing and cleaning the templates, then assembling the templates, controlling the size error of the assembled templates to be within 1cm, checking by adopting a mode of measuring the length, the width and the diagonal angle, and painting a release agent after the templates are assembled; 2) binding steel bars: the binding of the steel bars ensures the blanking size of the semi-finished steel bars, the control deviation is within 2cm, the binding position deviation is controlled after the steel bars are bound, and the control deviation is less than 1 cm; 3) installing an embedded part: the mounting requirement error of the anchor bolt preformed hole sleeve is within 1cm, and the pre-buried allowable error of the hanging nail hanger is 2 cm; 4) pouring concrete: checking the size of the template before concrete pouring, wherein the template is required to be tightly closed, if the gap of the template is too large, the template is adjusted, and if the gap is a structural gap, the template is blocked by using foam rubber to prevent slurry leakage in the concrete pouring process; vibrating according to the requirements strictly in the pouring process, achieving fast insertion and slow pulling, uniformly distributing vibration points, wherein the vibration time is 20-30 s each time, and the concrete is mainly treated when the concrete does not sink obviously any more, no air bubbles appear and the concrete begins to spread; 5) maintaining the prefabricated part: after the concrete is poured, covering geotextile or plastic film, watering and curing to keep the concrete surface wet; 6) demolding: the strength of the concrete is detected based on the notification of a laboratory, and the form is prevented from colliding with the concrete to cause unfilled edges and corner drop when the form is removed; 7) and (4) finished product inspection: and (3) detecting the length size of the prefabricated part by using a measuring tape, and detecting the flatness of the prefabricated part by using a level gauge and a feeler gauge.
The invention relates to a construction method of an assembled beam-making pedestal for prefabricating a high-speed railway box beam, and the key technical foundation of the construction method is an assembled and reusable beam-making pedestal foundation. During transportation, the single body structure of the beam making pedestal forming the beam making pedestal foundation is small, and transportation is facilitated; during construction, the multi-section beam making pedestal monomers are sequentially assembled and connected to the length of the beam making pedestal foundation through the long rod bolt, the operation is fast and convenient, the on-site fast installation is facilitated, the lower section beam making pedestal monomers can be adjusted in the same direction as the straightness by means of the pre-buried pipe and the long rod bolt, other equipment does not need to be borrowed, and the adjustment is fast. After the beam-making pedestal foundation construction is completed, the high-speed railway box beam prefabrication construction can be carried out. After the construction is completed at last, the beam-making pedestal foundation can be dismantled, and only the long rod bolt needs to be drawn out during the dismantling process, so that the beam-making pedestal foundation can be divided into a plurality of single beam-making pedestal monomers for the subsequent reuse.
Compared with the prior art, the invention has the following beneficial effects:
the construction method is environment-friendly, simple in construction process, strong in universality and high in popularization and practical value. Pedestal concrete member can have enough to meet the needs of reuse, has reduced the energy consumption, and economic effect is obvious, can satisfy the prefabricated standard requirement of railway box girder, does not need pedestal structure itself to strengthen the design, and pedestal basis adopts assembled design and construction, and is energy-concerving and environment-protective.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic structural diagram of a fabricated beam-making pedestal foundation in the method of the present invention.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic diagram of the structure of a beam-forming pedestal monomer according to the present invention.
Fig. 4 is a top view of fig. 3.
FIG. 5 is a schematic structural diagram of another shape of the beam-forming pedestal monomer in the method of the present invention.
Fig. 6 is a top view of fig. 5.
FIG. 7 is a vertical cross-sectional view of a beam forming pedestal cell in the method of the present invention.
FIG. 8 is a schematic view of the connection and fixation of two kinds of beam-making pedestal monomers in the present invention.
In the figure: 1-beam making pedestal monomer, 1-1-wide strip body, 1-2-narrow strip body, 2-long rod bolt and 3-embedded pipe.
Detailed Description
In order that those skilled in the art will better understand the present invention, a more complete and complete description of the present invention is provided below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 8, a construction method of an assembly type girder fabrication bed for prefabricating a box girder of a high speed railway includes the steps of:
1) carry out water protection construction to existing road bed, specifically do: firstly, a 5 cm-thick water stabilization layer is constructed on a road surface, a layer of geomembrane is laid on the water stabilization layer, a layer of geotextile is laid on the geomembrane, a layer of sand-free concrete is poured on the geotextile to be used as a surface layer, and finally, leveling is carried out.
2) Manufacturing an assembly type beam-making pedestal foundation, seating the assembly type beam-making pedestal foundation on the top surface of the constructed roadbed, and finally performing precast box beam operation through the assembly type beam-making pedestal foundation; wherein, assembled system beam pedestal foundation includes the system beam pedestal monomer 1 that the multisection connects gradually, and the connection of adopting the mortise and tenon structure to assemble of the link of two adjacent sections system beam pedestal monomers 1 to adopt stock bolt 2 to carry out fixed connection at mortise and tenon structure coupling part. The beam-making pedestal monomer 1 is of an integrally cast long-strip concrete structure and consists of a wide strip body 1-1 at the lower part and a narrow strip body 1-2 at the upper part, and the vertical section of the beam-making pedestal monomer is in a convex shape; the beam-making pedestal monomer 1 is divided into two appearance styles, wherein the upper narrow strip bodies 1-2 at two ends of the beam-making pedestal monomer 1 are provided with bulges in an extending way, and the lower wide strip bodies 1-1 at two ends of the beam-making pedestal monomer 1 are provided with bulges in an extending way; the beam-making pedestal monomers 1 of two kinds of appearance styles are sequentially and alternately and adjacently connected, the convex narrow strip bodies 1-2 and the convex wide strip bodies 1-1 are mutually lapped to form a mortise and tenon structure and are fixedly connected through the long rod bolt 2, and the method specifically comprises the following steps: the protruding narrow strip body 1-2 and the protruding wide strip body 1-1 are respectively provided with an embedded pipe 3 for inserting the long rod bolt, after the protruding narrow strip body 1-2 and the protruding wide strip body 1-1 are mutually lapped, the embedded pipes 3 on the protruding narrow strip body 1-2 and the protruding wide strip body 1-1 are in butt joint and communication, and the long rod bolt 2 is inserted in the butt joint embedded pipe 3 to connect and fix the protruding narrow strip body 1-2 and the protruding wide strip body 1-1. The height of the foundation can be controlled in elevation and the straightness of the foundation can be controlled by using a connection fixing mode of the long rod bolt 2 and the embedded pipe 3.
The manufacturing method of the beam-making pedestal monomer comprises the following steps:
1) assembling a module: firstly, polishing and cleaning the templates, then assembling the templates, controlling the size error of the assembled templates to be within 1cm, checking by adopting a mode of measuring the length, the width and the diagonal angle, and painting a release agent after the templates are assembled;
2) binding steel bars: the binding of the steel bars ensures the blanking size of the semi-finished steel bars, the control deviation is within 2cm, the binding position deviation is controlled after the steel bars are bound, and the control deviation is less than 1 cm;
3) installing an embedded part: the mounting requirement error of the anchor bolt embedded pipe 3 is within 1cm, and the embedded allowable error of the hanging nail hanger is 2 cm;
4) pouring concrete: checking the size of the template before concrete pouring, wherein the template is required to be tightly closed, if the gap of the template is too large, the template is adjusted, and if the gap is a structural gap, the template is blocked by using foam rubber to prevent slurry leakage in the concrete pouring process; vibrating according to the requirements strictly in the pouring process, achieving fast insertion and slow pulling, uniformly distributing vibration points, wherein the vibration time is 20-30 s each time, and the concrete is mainly treated when the concrete does not sink obviously any more, no air bubbles appear and the concrete begins to spread;
5) maintaining the prefabricated part: after the concrete is poured, covering geotextile or plastic film, watering and curing to keep the concrete surface wet;
6) demolding: the strength of the concrete is detected based on the notification of a laboratory, and the form is prevented from colliding with the concrete to cause unfilled edges and corner drop when the form is removed;
7) and (4) finished product inspection: and (3) detecting the length size of the prefabricated part by using a measuring tape, and detecting the flatness of the prefabricated part by using a level gauge and a feeler gauge.
During specific implementation, the length of one assembly type beam-making pedestal foundation is 33.7m, the width of the assembly type beam-making pedestal foundation is 1m, and three assembly type beam-making pedestal foundations are arranged in parallel and used for box beam prefabrication construction. For each assembly type beam-making pedestal foundation, ten beam-making pedestal monomers 1 are spliced to form the beam-making pedestal foundation, wherein the beam-making pedestal monomers comprise 1 eight beam-making pedestal monomers with the size of 4 multiplied by 1 multiplied by 0.6m and 1 two beam-making pedestal monomers with the size of 3.1 multiplied by 1 multiplied by 0.6m, the two beam-making pedestal monomers 1 with the size of 3.1 multiplied by 1 multiplied by 0.6m are positioned at two ends of the whole assembly type beam-making pedestal foundation, and the wide strip bodies 1-1 and the narrow strip bodies 1-2 of the beam-making pedestal monomers 1 positioned at the end parts are aligned; monolithic system beam pedestal monomer 1's weight control is within 6t, makes things convenient for on-the-spot hoist and mount operation, and system beam pedestal monomer 1 hoist and mount concatenation utilizes mortise and tenon overlap joint structure and stock bolt 2 between the system beam pedestal monomer 1, pre-buried pipe 3 fixes adjacent system beam pedestal monomer 1, specifically is: adopt upper and lower mortise and tenon overlap joint mode to connect between system beam pedestal monomer 1, overlap joint structure length is 50cm, reserves phi 50's pre-buried pipe 3 in overlap joint department for stock bolt 2 anchors.
When the box girder is prefabricated, the reusable assembly type girder-making pedestal foundation has the same use mode as a conventional girder-making pedestal foundation and can bear the concrete supporting pressure and accessories such as steel templates, support plates and the like; after the box girder prefabrication construction is accomplished, need demolish assembled system roof beam pedestal basis, when demolising, with stock bolt 2 extract can, system roof beam pedestal monomer 1 reuse.
Compared with the traditional precast beam pedestal in China at present, the precast beam pedestal has the following advantages that: firstly, the assembly type beam-making pedestal foundation is prefabricated in advance in a matching mode, and the construction period of a precast beam field is shortened (at least 28 days); secondly, the assembly type beam-making pedestal foundation can be prefabricated in an industrial mode or can be prefabricated in a centralized closed mode on site, the finished product quality is good, and the process is environment-friendly; thirdly, the foundation of the assembly type beam-making pedestal has simple structure and simple and convenient manufacturing and installation process; fourthly, the assembly type beam-making pedestal foundation can be recycled, the economy is good, the generation of concrete construction waste is reduced, waste is treated without increasing waste land, and the energy-saving environment-friendly effect is achieved; fifthly, the size of the foundation structure of the assembly type beam-making pedestal is further optimized, and the concrete is reduced by 95m for each pedestal3The economy is high, and the materials and the energy are saved; sixthly, in the process of the reclamation of the precast beam yard, the assembly type beam-making pedestal foundation can be hoisted and dismantled without being broken by a large-scale breaking hammer, the dismantling process has no noise and dust pollution, and the construction process is environment-friendly; seventhly, the bearing capacity of the foundation of the assembly type beam-making pedestal foundation can reach 300Kpa, foundation treatment does not need to be further enhanced on the basis of traditional prefabricated pedestal foundation treatment, the requirement on the site is not high, and the applicability and the universality are high; eighthly, the assembly type beam-making pedestal foundation can be assembled and applied on a newly-built railway station or an interval roadbed of the railway, so that the land for a railway box beam precast beam field is further saved.
The embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (4)
1. A construction method for an assembly type beam-making pedestal for prefabricating a high-speed railway box beam is characterized by comprising the following steps:
1) carry out water protection construction to existing road bed, specifically do: firstly, a 5 cm-thick water stabilization layer is constructed on a road surface, a layer of geomembrane is laid on the water stabilization layer, a layer of geotextile is laid on the geomembrane, a layer of sand-free concrete is poured on the geotextile to be used as a surface layer, and finally, leveling is carried out;
2) manufacturing an assembly type beam-making pedestal foundation, seating the assembly type beam-making pedestal foundation on the top surface of the constructed roadbed, and finally performing precast box beam operation through the assembly type beam-making pedestal foundation; the assembled beam manufacturing pedestal foundation comprises a plurality of sections of beam manufacturing pedestal monomers which are connected in sequence, the connecting ends of two adjacent sections of beam manufacturing pedestal monomers are spliced and connected by adopting a mortise and tenon structure, and long rod bolts are adopted at the connecting parts of the mortise and tenon structure for fixed connection.
2. The construction method of the fabricated girder fabrication pedestal for prefabricating a box girder of a high speed railway according to claim 1, wherein: the beam-making pedestal monomer is of a strip-shaped concrete structure which is integrally cast and formed, and consists of a wide strip body at the lower part and a narrow strip body at the upper part, and the vertical section of the beam-making pedestal monomer is in a convex shape; the beam-making pedestal single bodies are divided into two types of appearance styles, one type of beam-making pedestal single body is that the upper narrow strip bodies at the two ends of the beam-making pedestal single body are provided with bulges in an extending way, and the other type of beam-making pedestal single body is that the lower wide strip bodies at the two ends of the beam-making pedestal single body are provided with bulges in an extending way; the beam-making pedestal monomers of two appearance styles are sequentially and alternately and adjacently connected, and the convex narrow strip bodies and the convex wide strip bodies are mutually overlapped to form a mortise and tenon structure and are fixedly connected through long rod bolts.
3. The construction method of the fabricated girder fabrication pedestal for prefabricating the box girder of the high speed railway according to claim 2, wherein: the protruding narrow strip body and the protruding wide strip body are provided with embedded pipes for the insertion of the long rod bolts, and after the protruding narrow strip body and the protruding wide strip body are mutually overlapped, the embedded pipes on the protruding narrow strip body and the protruding wide strip body are in butt joint communication, the long rod bolts are inserted in the butted embedded pipes and are fixedly connected with the embedded pipes.
4. The construction method of the fabricated girder fabrication pedestal for prefabricating the high speed railway box girder according to claim 3, wherein the fabrication method of the girder fabrication pedestal monomer comprises the following steps: 1) assembling a module: firstly, polishing and cleaning the templates, then assembling the templates, controlling the size error of the assembled templates to be within 1cm, checking by adopting a mode of measuring the length, the width and the diagonal angle, and painting a release agent after the templates are assembled; 2) binding steel bars: the binding of the steel bars ensures the blanking size of the semi-finished steel bars, the control deviation is within 2cm, the binding position deviation is controlled after the steel bars are bound, and the control deviation is less than 1 cm; 3) installing an embedded part: the mounting requirement error of the anchor bolt preformed hole sleeve is within 1cm, and the pre-buried allowable error of the hanging nail hanger is 2 cm; 4) pouring concrete: checking the size of the template before concrete pouring, wherein the template is required to be tightly closed, if the gap of the template is too large, the template is adjusted, and if the gap is a structural gap, the template is blocked by using foam rubber to prevent slurry leakage in the concrete pouring process; vibrating according to the requirements strictly in the pouring process, achieving fast insertion and slow pulling, uniformly distributing vibration points, wherein the vibration time is 20-30 s each time, and the concrete is mainly treated when the concrete does not sink obviously any more, no air bubbles appear and the concrete begins to spread; 5) maintaining the prefabricated part: after the concrete is poured, covering geotextile or plastic film, watering and curing to keep the concrete surface wet; 6) demolding: the strength of the concrete is detected based on the notification of a laboratory, and the form is prevented from colliding with the concrete to cause unfilled edges and corner drop when the form is removed; 7) and (4) finished product inspection: and (3) detecting the length size of the prefabricated part by using a measuring tape, and detecting the flatness of the prefabricated part by using a level gauge and a feeler gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889285.4A CN112045841B (en) | 2020-08-28 | 2020-08-28 | Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010889285.4A CN112045841B (en) | 2020-08-28 | 2020-08-28 | Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112045841A true CN112045841A (en) | 2020-12-08 |
| CN112045841B CN112045841B (en) | 2021-08-27 |
Family
ID=73606993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010889285.4A Active CN112045841B (en) | 2020-08-28 | 2020-08-28 | Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112045841B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1609535B1 (en) * | 1966-02-26 | 1971-02-25 | Trent Concrete Ltd | Connection of reinforced concrete beams with supports made of reinforced concrete |
| CN202610705U (en) * | 2012-06-27 | 2012-12-19 | 衡水宝力工程橡胶有限公司 | Tension-resisting and pressing-resisting rubber support |
| CN104912000A (en) * | 2015-06-05 | 2015-09-16 | 衡水橡胶股份有限公司 | Method for realizing on-site quick assembly of bridge support |
| CN205443922U (en) * | 2016-03-24 | 2016-08-10 | 青海省兴利公路桥梁工程公司 | Bridge bearing |
| CN108340331A (en) * | 2018-01-16 | 2018-07-31 | 石家庄铁道大学 | A kind of assembled steel deposits beam pedestal |
| CN207841707U (en) * | 2018-02-05 | 2018-09-11 | 中铁十七局集团第三工程有限公司 | Assembled beam making bench |
-
2020
- 2020-08-28 CN CN202010889285.4A patent/CN112045841B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1609535B1 (en) * | 1966-02-26 | 1971-02-25 | Trent Concrete Ltd | Connection of reinforced concrete beams with supports made of reinforced concrete |
| CN202610705U (en) * | 2012-06-27 | 2012-12-19 | 衡水宝力工程橡胶有限公司 | Tension-resisting and pressing-resisting rubber support |
| CN104912000A (en) * | 2015-06-05 | 2015-09-16 | 衡水橡胶股份有限公司 | Method for realizing on-site quick assembly of bridge support |
| CN205443922U (en) * | 2016-03-24 | 2016-08-10 | 青海省兴利公路桥梁工程公司 | Bridge bearing |
| CN108340331A (en) * | 2018-01-16 | 2018-07-31 | 石家庄铁道大学 | A kind of assembled steel deposits beam pedestal |
| CN207841707U (en) * | 2018-02-05 | 2018-09-11 | 中铁十七局集团第三工程有限公司 | Assembled beam making bench |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112045841B (en) | 2021-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101761092B (en) | Construction method of movable side wall of large overall template of large-span deep foundation pit | |
| CN104631512A (en) | Post-cast strip beam and slab construction method adopting formwork hanging method | |
| CN109648696B (en) | Steel bar connected side slope prefabricated lattice beam and manufacturing method and construction method thereof | |
| CN111764216A (en) | Construction method and application of fabricated concrete road plate | |
| CN106436592A (en) | Bridge widening structure using Z-shaped steel plate connectors and construction method thereof | |
| CN108867310A (en) | The short rib T beam bridge of pretensioning prestressed concrete and its construction method | |
| CN211517947U (en) | Bridge case roof beam is prefabricated with shaped steel pedestal | |
| CN112281633A (en) | Back-loading cantilever arm of spine beam bridge and longitudinal joint structure thereof | |
| CN108396778A (en) | A kind of construction method in precast assembly tunnel | |
| CN113152185A (en) | Full-assembly type road with pile plate roadbed supporting prefabricated pavement and construction method thereof | |
| CN114541632A (en) | Construction method for using laminated slab for prefabricated building roof layer floor slab | |
| CN113502835A (en) | Wet cellular assembled gridwork roof beam slope protection structure of connecting | |
| CN112045840B (en) | Construction method of assembly type beam storage pedestal for prefabricating high-speed railway box beam | |
| CN112045841B (en) | Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam | |
| CN111851827A (en) | Assembly type prefabricated steel bar truss disassembly-free template system and manufacturing method thereof | |
| CN111648256A (en) | Pier body reinforcing construction method | |
| CN213352845U (en) | Assembled beam manufacturing pedestal for prefabricating high-speed railway box beam | |
| CN214574621U (en) | Node dry joining method assembly structure | |
| CN212358370U (en) | Prefabricated utility tunnel of assembling of ultra high performance concrete | |
| CN210163936U (en) | Pile culvert integrally-assembled steel bone concrete comprehensive pipe gallery | |
| CN213204198U (en) | Assembled beam lifting machine foundation for high-speed railway box girder yard | |
| CN210737452U (en) | Waterborne assembled berthing pier | |
| CN114182756A (en) | Construction method for simply and movably pouring cable trench by using internal mold support system | |
| CN213352912U (en) | A assembled beam platform seat of depositing for prefabricating high-speed railway case roof beam | |
| CN209854577U (en) | Assembled thin-wall box-shaped channel |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |