CN115748514A - Construction method of continuous beam body and bridge deck of reinforced concrete longitudinal structure constructed by full hanging baskets - Google Patents
Construction method of continuous beam body and bridge deck of reinforced concrete longitudinal structure constructed by full hanging baskets Download PDFInfo
- Publication number
- CN115748514A CN115748514A CN202211620121.7A CN202211620121A CN115748514A CN 115748514 A CN115748514 A CN 115748514A CN 202211620121 A CN202211620121 A CN 202211620121A CN 115748514 A CN115748514 A CN 115748514A
- Authority
- CN
- China
- Prior art keywords
- reinforced concrete
- auxiliary
- hanging
- section
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 65
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000004567 concrete Substances 0.000 claims abstract description 32
- 238000005266 casting Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims description 15
- 238000004873 anchoring Methods 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 2
- 238000009415 formwork Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a construction method of a continuous beam body and a bridge deck plate of a reinforced concrete longitudinal structure for full-hanging basket construction, which comprises the following steps: (S1) constructing a reinforced concrete suspended casting section of the continuous beam by using a hanging basket; (S2) hoisting the reinforced concrete combined section by using an auxiliary hoisting system; (S3) guiding and temporarily fixing the reinforced concrete combined section by using a guiding and fixing structure; (S4) removing the connection between the auxiliary hanging system and the reinforced concrete combined section and connecting the main hanging system of the hanging basket to the bracket; (S5) hoisting the prefabricated bridge deck to the top of the reinforced concrete combined section by using an auxiliary hoisting system; (S6) the hanging basket moves towards the previous section, and the steel beam section is lifted and hung in place by using the auxiliary hanging system; (S7) connecting the steel beam sections; (S8) hoisting the prefabricated bridge deck to the top of the steel beam segment by using an auxiliary hoisting system; (S9) pouring concrete on the steel beam sections; (S10) repeating the steps S6 to S9 until the construction of the mid-span steel box girder closure section is completed.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a construction method of a continuous beam body and a bridge deck of a reinforced concrete longitudinal structure for full cradle construction.
Background
With the rapid development of economy in China, the investment on infrastructure construction is more and more. In the common three-span prestressed concrete continuous beam, the longitudinal mixed beam formed by replacing partial concrete beam sections of the midspan with steel beams can effectively reduce the dead weight of the structure, increase the span of the bridge and improve the stress condition of the full bridge at the same time, and is particularly suitable for bridge positions with small side-to-midspan ratio.
When the conventional steel-concrete longitudinal combined continuous beam bridge is constructed, after the No. 0 concrete block is constructed, a concrete section is constructed by hanging and pouring a main beam hanging basket. After the concrete section is constructed, a hoisting mode is generally adopted for the mid-span steel box girder closure section, and the mid-span steel box girder is hoisted and then connected with the concrete. The method can only be used for the condition that the span of the midspan steel beam section is small, and the hoisting weight cannot be too large. Aiming at the condition that the span of a midspan steel beam section is longer, a construction method of a continuous beam body with a reinforced concrete longitudinal structure and a bridge deck, which are constructed by a full hanging basket, is needed, and the problem of construction of the reinforced concrete longitudinal combined continuous beam is solved.
Disclosure of Invention
The invention aims to provide a construction method of a continuous beam body with a reinforced concrete longitudinal structure and a bridge deck for full hanging basket construction according to the defects of the prior art, and the construction method can be used for construction of a reinforced concrete suspension casting section and construction of a mid-span steel box beam closure section by arranging a main truss, an auxiliary truss, a main hanging system, an auxiliary hanging system, a template system, a walking system and an anchoring system.
The purpose of the invention is realized by the following technical scheme:
a construction method for a continuous beam body and a bridge deck of a reinforced concrete longitudinal structure constructed by a full hanging basket is characterized by comprising the following steps:
(S1) constructing a reinforced concrete suspended casting section of the continuous beam by using a hanging basket;
(S2) mounting an auxiliary truss and an auxiliary hanging system on the hanging basket, anchoring the auxiliary hanging system and a steel beam segment serving as a reinforced concrete joint section, and lifting the reinforced concrete joint section by using the auxiliary hanging system;
(S3) guiding and temporarily fixing the steel-concrete combined section by using a guiding and fixing structure;
(S4) welding a bracket at the top end of the side part of the steel-concrete combined section, removing the connection between the auxiliary hanging system and the steel-concrete combined section and connecting the main hanging system of the hanging basket to the bracket;
(S5) hoisting the prefabricated bridge deck to the top of the reinforced concrete combined section by using the auxiliary hoisting system, and pouring concrete on the reinforced concrete combined section;
(S6) the hanging basket runs towards the previous section, the auxiliary hanging system and the steel beam section are anchored, and the steel beam section is lifted and hung in place by the auxiliary hanging system;
(S7) connecting the girder segments;
(S8) lifting the prefabricated bridge deck on top of the steel girder segment using the secondary suspension system;
(S9) pouring concrete on the steel beam segment to finish the construction of the segment;
(S10) repeating the steps S6 to S9 until the construction of the mid-span steel box girder closure section is completed.
The hanging basket comprises a main truss, an auxiliary truss, a main hanging system, an auxiliary hanging system, a template system, a walking system and an anchoring system, wherein the walking system is arranged on the continuous beam and moves along the longitudinal direction of the continuous beam, the main truss is installed on the walking system, the main truss is anchored with the continuous beam through the anchoring system, the main truss is connected with the auxiliary truss, the main hanging system is installed on the main truss, and the auxiliary hanging system is installed on the auxiliary truss.
The auxiliary truss comprises an overhead traveling crane track beam and an inclined strut beam, one end of the overhead traveling crane track beam is connected with the main truss, and the other end of the overhead traveling crane track beam is connected with the main truss through the inclined strut beam; the auxiliary hanging system comprises an overhead traveling crane, an auxiliary hanging rod and a carrying pole beam, the overhead traveling crane is installed on the overhead traveling crane track beam and moves along the length direction of the overhead traveling crane track beam, and two ends of the auxiliary hanging rod are respectively connected with the overhead traveling crane and the carrying pole beam.
The walking system comprises a track, a rear roller, a front sliding plate and a jack, wherein the track is arranged on the continuous beam, the rear roller and the front sliding plate are both arranged on the track and are respectively connected with the main truss, one end of the jack is fixed on the track, the other end of the jack is connected with the front sliding plate, and the jack drives the front sliding plate to move on the track so as to drive the rear roller to move on the track.
The template system comprises a bottom die platform, an inner die and an outer die, wherein the inner die and the outer die are supported and fixed through a support.
The main hanging system comprises a front upper cross beam, a bottom die, a front upper cross beam and a sliding beam, wherein the front upper cross beam is installed on the main truss, one end of the front hanging system is connected with the front upper cross beam, the other end of the front hanging system is connected with the bottom die platform, one end of the sliding beam is connected with the front upper cross beam, and the other end of the sliding beam is connected with the sliding beam.
The anchoring system is a rear anchor distribution beam, and the rear anchor distribution beam is anchored with the continuous beam through a rear anchor rod.
The main truss includes the rhombus framework of two relative settings, the rhombus framework is formed just by down preceding down tube, lower chord member, back down tube and four members of last preceding pole end to end in proper order connecting node between the member is node box, back node box, four node boxes of last node box and preceding node box down in proper order, go up the node box with be connected with the montant down between the node box.
The guide fixing structure comprises two guide connecting plates and two cables, the two guide connecting plates are respectively arranged on two sides of the end part of the reinforced concrete cantilever casting section, one side of each guide connecting plate is anchored with the reinforced concrete cantilever casting section, the other side of each guide connecting plate is provided with a guide hole, one end of each cable is connected with the reinforced concrete joint section, the other end of each cable penetrates through the guide hole of the guide connecting plate, the reinforced concrete joint section is guided by pulling the cables so as to be in place, and the cables can temporarily fix the reinforced concrete joint section.
The invention has the advantages that:
1. the traditional hanging basket structure is improved, the auxiliary truss and the auxiliary hanging system are added, and the lifting operation of the steel beam segments and the concrete bridge deck is realized;
2. the hoisting of the steel beam sections with heavy weight is avoided, the materials required by the hanging basket are reduced, and the construction cost is saved;
3. the steel beam and the bridge deck are integrally constructed, so that the cross action of various machines is avoided, and the construction efficiency is improved;
4. the hanging basket is simple in structural design and convenient to disassemble, and materials can be recycled.
Drawings
FIG. 1 is an overall schematic view of a basket used in the construction method of a steel-concrete longitudinal structure continuous beam body and a bridge deck slab constructed by the full-hanging basket of the invention;
FIG. 2 is a schematic longitudinal section view of a basket used in the construction method of a reinforced concrete longitudinal structure continuous beam body and a bridge deck for full-hanging basket construction according to the present invention when constructing a reinforced concrete suspended casting section;
FIG. 3 is a schematic cross-sectional view of a basket used in the construction method of a reinforced concrete longitudinal structure continuous beam body and a bridge deck for full-hanging basket construction according to the present invention when constructing a reinforced concrete suspended casting section;
FIG. 4 is a schematic longitudinal section view of a basket used in the construction method of the full-hanging basket constructed continuous beam body with a reinforced concrete longitudinal structure and the bridge deck slab in the construction process of crossing a steel box girder closure section;
FIG. 5 is a schematic view of a hanging basket used in the construction method of the continuous beam body with the reinforced concrete longitudinal structure and the bridge deck of the full hanging basket construction of the invention when an auxiliary hanging system is used for lifting a template;
FIG. 6 is a schematic view of the step S2 of the construction method of the continuous beam body and the bridge deck with the reinforced concrete longitudinal structure for the full cradle construction of the invention;
FIG. 7 is a schematic view of the step S3 of the construction method of the continuous beam body and the bridge deck with the reinforced concrete longitudinal structure for the full cradle construction of the invention;
FIG. 8 is a schematic view of step S4 of the construction method of the continuous beam body and the bridge deck with the reinforced concrete longitudinal structure for the full cradle construction of the invention;
FIG. 9 is a schematic view of the step S5 of the construction method of the continuous beam body and the bridge deck with the reinforced concrete longitudinal structure for the full cradle construction of the invention;
FIG. 10 is a schematic view of step S6 of the construction method of the continuous beam body and the bridge deck with the reinforced concrete longitudinal structure for the full cradle construction of the present invention;
FIG. 11 is a schematic view of the step S8 of the construction method of the continuous beam body and the bridge deck with the reinforced concrete longitudinal structure for the full cradle construction of the invention;
FIG. 12 is an enlarged view of A in FIG. 7;
fig. 13 is an enlarged view of B in fig. 8.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings to facilitate understanding by those skilled in the art:
as shown in fig. 1 to 13, reference numerals 1 to 37 in the drawings denote a main truss 1, a sub-truss 2, a main suspension system 3, a sub-suspension system 4, a formwork system 5, a running system 6, an anchoring system 7, a crane rail beam 8, a raker beam 9, a crane 10, a sub-boom 11, a shoulder pole beam 12, a front slide plate 13, a jack 14, a bottom formwork platform 15, a front upper beam 16, a bottom formwork front suspension 17, a slide beam front suspension 18, a slide beam 19, a diamond frame 20, a lower front diagonal 21, a lower chord 22, a rear diagonal 23, an upper front rod 24, a lower node box 25, a rear node box 26, an upper node box 27, a front node box 28, a vertical rod 29, a formwork 30, a steel-concrete joint section 31, a guide connection plate 32, a bracket 33, a steel beam section 34, a prefabricated bridge deck 35, a cable 36, and a rear anchor distribution beam 37, respectively.
The embodiment is as follows: as shown in fig. 1 to 13, the present embodiment relates to a construction method of a continuous beam body and a bridge deck with a reinforced concrete longitudinal structure for full cradle construction, which mainly includes the following steps:
s1: and (3) constructing the reinforced concrete suspended pouring section of the continuous beam by using the main truss 1, the main hanging system 3, the template system 5, the walking system 6 and the anchoring system 7 of the hanging basket from the No. 0 block until the reinforced concrete combined section 31. As shown in fig. 5, the sub-truss 2 and the sub-suspension system 4 may be installed on the cradle, and the formwork 30 of the reinforced concrete suspended-cast section may be hoisted by the sub-suspension system 4.
The hanging basket comprises a main truss 1, an auxiliary truss 2, a main hanging system 3, an auxiliary hanging system 4, a template system 5, a traveling system 6 and an anchoring system 7, wherein the traveling system 6 is arranged on the continuous beam and moves along the longitudinal direction of the continuous beam, the main truss 1 is installed on the traveling system 6, the main truss 1 is anchored with the continuous beam through the anchoring system 7, the main truss 1 is connected with the auxiliary truss 2, the main hanging system 3 is installed on the main truss 1, and the auxiliary hanging system 4 is installed on the auxiliary truss 2.
The main truss 1 comprises two opposite rhombic frameworks 20, the rhombic framework 20 is formed by sequentially connecting four rods, namely a lower front oblique rod 21, a lower chord 22, a rear oblique rod 23 and an upper front rod 24 end to end, connecting nodes among the rods are sequentially four node boxes, namely a lower node box 25, a rear node box 26, an upper node box 27 and a front node box 28, and a vertical rod 29 is connected between the upper node box 27 and the lower node box 25.
The auxiliary truss 2 comprises an overhead traveling crane track beam 8 and an inclined strut beam 9, one end of the overhead traveling crane track beam 8 is connected with the main truss 1 (a lower front inclined rod 21), and the other end of the overhead traveling crane track beam is connected with the main truss 1 (a front node box 28) through the inclined strut beam 9. The auxiliary hanging system 4 comprises a crown block 10, an auxiliary hanging rod 11 and a shoulder pole beam 12, wherein the crown block 10 is installed on the crown block track beam 8 and moves along the length direction of the crown block track beam 8, and two ends of the auxiliary hanging rod 11 are respectively connected with the crown block 10 and the shoulder pole beam 12.
The traveling system 6 comprises a rail, a rear roller, a front sliding plate 13 and a jack 14, the rail is arranged on the continuous beam, the rear roller and the front sliding plate 13 are both arranged on the rail and are respectively connected with the main truss 1 (a rear node box 26 and a lower node box 25), one end of the jack 14 is fixed on the rail, the other end of the jack is connected with the front sliding plate 13, and the jack 14 drives the front sliding plate 13 to move on the rail so as to drive the rear roller to move on the rail.
The template system 5 comprises a bottom die platform 15, an inner die and an outer die, and the inner die and the outer die are supported and fixed through a support. The main hanging system 3 comprises a front upper cross beam 16, a bottom die front hanger 17 and a sliding beam front hanger 18, wherein the front upper cross beam 16 is installed on the main truss 1, two ends of the front upper cross beam 16 are respectively connected with two diamond-shaped frameworks 20, one end of the bottom die front hanger 17 is connected with the front upper cross beam 16, the other end of the bottom die front hanger is connected with the bottom die platform 15, one end of the sliding beam front hanger 18 is connected with the front upper cross beam 16, the other end of the sliding beam front hanger is connected with a sliding beam 19, the sliding beam 19 comprises an inner sliding beam and an outer sliding beam, the inner sliding beam is used for supporting a support corresponding to the inner die, and the outer sliding beam is used for supporting a support corresponding to the outer die. Furthermore, the anchoring system 7 is a rear anchor distribution beam 37, which rear anchor distribution beam 37 is anchored with the continuous beam by means of rear anchor rods.
S2: the sub-truss 2 and the sub-suspension system 4 are installed on the cradle, the shoulder pole beam 12 of the sub-suspension system 4 and the steel beam segment 34 as the steel-concrete joint section 31 are anchored, and the steel-concrete joint section 31 is lifted by the sub-suspension system 4.
S3: the steel-concrete combined section 31 is guided and temporarily fixed by a guide fixing structure. The guide fixing structure comprises two guide connecting plates 32 and two cables 36, the two guide connecting plates 32 are correspondingly arranged, the two cables 36 are respectively arranged on two sides of the end part of the reinforced concrete suspended casting section, one side of each guide connecting plate 32 is anchored with the reinforced concrete suspended casting section, a guide hole is formed in the other side of each guide connecting plate, one end of each cable 36 is connected with the reinforced concrete combined section 31, the other end of each cable passes through the guide hole of the guide connecting plate 32, the reinforced concrete combined section 31 is guided by pulling the cables 36, so that the reinforced concrete combined section 31 is in place, and the cables 36 can temporarily fix the reinforced concrete combined section 31.
S4: a bracket 33 is welded to the top end of the side portion of the steel-concrete joint section 31 as a suspension stress point, and the connection between the sub-suspension system 4 and the steel-concrete joint section 31 is released to connect the main suspension system 3 to the bracket 33.
S5: and lifting the prefabricated bridge deck 35 to the top of the reinforced concrete combined section 31 by using the auxiliary hanging system 4, and pouring concrete on the reinforced concrete combined section 31 to complete the construction of the section.
S6: the cradle moves towards the previous section, the carrying pole beam 12 of the auxiliary hanging system 4 and the steel beam section 34 are anchored, the auxiliary hanging system 4 is adopted, and the steel beam section 34 is lifted and hung in place.
S7: the steel beam sections 34 are welded or bolted to each other, thereby connecting the steel beam sections 34 to each other.
S8: after the longitudinal connection of the steel girder segments 34 is completed, the prefabricated bridge deck 35 is lifted and hung on the tops of the steel girder segments 34 by using the secondary hanging system 4.
S9: and after all the prefabricated bridge deck slabs 35 are lifted and positioned in place, concrete is cast in situ, and the construction of the section is completed.
S10: and repeating the steps S6 to S9 until the construction of the mid-span steel box girder closure section is completed.
The embodiment also has the following beneficial effects: the traditional hanging basket structure is improved, the auxiliary truss and the auxiliary hanging system are added, and the lifting operation of the steel beam segments and the concrete bridge deck is realized; the hoisting of the steel beam sections with heavy weight is avoided, the materials required by the hanging basket are reduced, and the construction cost is saved; the steel beam and the bridge deck are integrally constructed, so that the cross action of various machines is avoided, and the construction efficiency is improved; the hanging basket is simple in structural design and convenient to disassemble, and materials can be recycled.
Although the conception and the embodiments of the present invention have been described in detail with reference to the drawings, those skilled in the art will recognize that various changes and modifications can be made therein without departing from the scope of the appended claims, and therefore, the description is not necessary here.
Claims (9)
1. A construction method for a continuous beam body and a bridge deck of a reinforced concrete longitudinal structure constructed by a full hanging basket is characterized by comprising the following steps:
(S1) constructing a reinforced concrete suspended casting section of the continuous beam by using a hanging basket;
(S2) mounting an auxiliary truss and an auxiliary hanging system on the hanging basket, anchoring the auxiliary hanging system and a steel beam segment serving as a steel-concrete combined section, and lifting the steel-concrete combined section by using the auxiliary hanging system;
(S3) guiding and temporarily fixing the steel-concrete combined section by using a guiding and fixing structure;
(S4) welding a bracket at the top end of the side part of the steel-concrete combined section, removing the connection between the auxiliary hanging system and the steel-concrete combined section and connecting the main hanging system of the hanging basket to the bracket;
(S5) hoisting the prefabricated bridge deck to the top of the reinforced concrete combined section by using the auxiliary hoisting system, and pouring concrete on the reinforced concrete combined section;
(S6) the hanging basket travels towards the previous section, the auxiliary hanging system and the steel beam section are anchored, and the steel beam section is lifted and hung in place by the auxiliary hanging system;
(S7) connecting the girder segments;
(S8) lifting the prefabricated bridge deck on top of the steel girder segment using the secondary suspension system;
(S9) pouring concrete on the steel beam segment to finish the construction of the segment;
(S10) repeating the steps S6 to S9 until the construction of the mid-span steel box girder closure section is completed.
2. The construction method of the continuous beam body and the bridge deck with the full-hanging basket construction and the reinforced concrete longitudinal structure as claimed in claim 1, is characterized in that: the hanging basket comprises a main truss, an auxiliary truss, a main hanging system, an auxiliary hanging system, a template system, a walking system and an anchoring system, wherein the walking system is arranged on the continuous beam and moves along the longitudinal direction of the continuous beam, the main truss is installed on the walking system, the main truss is anchored with the continuous beam through the anchoring system, the main truss is connected with the auxiliary truss, the main hanging system is installed on the main truss, and the auxiliary hanging system is installed on the auxiliary truss.
3. The construction method of the continuous beam body and the bridge deck with the full-hanging basket construction and the reinforced concrete longitudinal structure as claimed in claim 2, is characterized in that: the auxiliary truss comprises an overhead traveling crane track beam and an inclined supporting beam, one end of the overhead traveling crane track beam is connected with the main truss, and the other end of the overhead traveling crane track beam is connected with the main truss through the inclined supporting beam; the auxiliary hanging system comprises an overhead traveling crane, an auxiliary hanging rod and a carrying pole beam, the overhead traveling crane is installed on the overhead traveling crane track beam and moves along the length direction of the overhead traveling crane track beam, and two ends of the auxiliary hanging rod are respectively connected with the overhead traveling crane and the carrying pole beam.
4. The construction method of the continuous beam body and the bridge deck with the full-hanging basket construction and the reinforced concrete longitudinal structure as claimed in claim 2, is characterized in that: walk the system and include track, back gyro wheel, preceding slide and jack, the track sets up on the continuous beam, the back gyro wheel with preceding slide is all installed on the track and equally divide respectively with the main truss is connected, jack one end is fixed on the track, the other end with preceding slide is connected, the jack drive preceding slide is in move on the track, so as to drive the back gyro wheel is in move on the track.
5. The construction method of the continuous beam body and the bridge deck with the full-hanging basket construction and the reinforced concrete longitudinal structure as claimed in claim 2, is characterized in that: the template system comprises a bottom die platform, an inner die and an outer die, wherein the inner die and the outer die are supported and fixed through a support.
6. The construction method of the continuous beam body and the bridge deck with the full-hanging basket construction and the reinforced concrete longitudinal structure as claimed in claim 5, is characterized in that: the main hanging system comprises a front upper cross beam, a bottom die, a front upper cross beam and a sliding beam, wherein the front upper cross beam is installed on the main truss, one end of the front hanging system is connected with the front upper cross beam, the other end of the front hanging system is connected with the bottom die platform, one end of the sliding beam is connected with the front upper cross beam, and the other end of the sliding beam is connected with the sliding beam.
7. The construction method of the continuous beam body and the bridge deck plate with the full-hanging basket constructed steel-concrete longitudinal structure as claimed in claim 2, characterized in that: the anchoring system is a rear anchor distribution beam which is anchored with the continuous beam through a rear anchor rod.
8. The construction method of the continuous beam body and the bridge deck plate with the full-hanging basket constructed steel-concrete longitudinal structure as claimed in claim 2, characterized in that: the main truss includes two relative rhombus frameworks that set up, the rhombus framework is by down preceding down tube, lower chord member, back down tube and four member of last preceding pole end to end in proper order and form just connected node between the member is node box, back node box, four node boxes of last node box and preceding node box down in proper order, go up the node box with be connected with the montant down between the node box.
9. The construction method of the continuous beam body and the bridge deck with the full-hanging basket construction and the reinforced concrete longitudinal structure as claimed in claim 1, is characterized in that: the guide fixing structure comprises two guide connecting plates and two cables, the two guide connecting plates are respectively arranged on two sides of the end part of the reinforced concrete suspended casting section, one side of each guide connecting plate is anchored with the reinforced concrete suspended casting section, a guide hole is formed in the other side of each guide connecting plate, one end of each cable is connected with the reinforced concrete combined section, the other end of each cable penetrates through the guide hole of each guide connecting plate, the reinforced concrete combined section is guided by pulling the cables so as to be in place, and the cables can temporarily fix the reinforced concrete combined section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211620121.7A CN115748514A (en) | 2022-12-16 | 2022-12-16 | Construction method of continuous beam body and bridge deck of reinforced concrete longitudinal structure constructed by full hanging baskets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211620121.7A CN115748514A (en) | 2022-12-16 | 2022-12-16 | Construction method of continuous beam body and bridge deck of reinforced concrete longitudinal structure constructed by full hanging baskets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115748514A true CN115748514A (en) | 2023-03-07 |
Family
ID=85346304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211620121.7A Pending CN115748514A (en) | 2022-12-16 | 2022-12-16 | Construction method of continuous beam body and bridge deck of reinforced concrete longitudinal structure constructed by full hanging baskets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115748514A (en) |
-
2022
- 2022-12-16 CN CN202211620121.7A patent/CN115748514A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102094392B (en) | Lower supported hanging basket in bridge construction and application thereof | |
| CN109267490B (en) | Long guide beam type movable formwork and construction method thereof | |
| CN102134832B (en) | Movable support and movable support assisted method for erecting steel box beams through non-variable amplitude frame beam crane | |
| CN113120771A (en) | Double-side synchronous hoisting equipment suitable for rear cantilever arm of composite-section beam bridge and construction method | |
| CN105088970A (en) | Construction method of corrugated steel web PC box girder cable-stayed bridge | |
| CN114808747A (en) | Multifunctional bridge girder erection machine and bridge girder erection construction method | |
| CN214362953U (en) | Single-column pier reinforcing structure for improving bridge anti-overturning capacity | |
| CN112267390A (en) | Single-column pier reinforcing structure for improving bridge anti-overturning capacity | |
| CN201972099U (en) | Through type hanging basket in bridge construction | |
| CN111119072A (en) | Staggered construction method for steps of high-pier bridge in mountainous area | |
| CN218880610U (en) | Steel-concrete longitudinal combination continuous beam body and bridge deck construction structure for full-hanging basket construction | |
| CN210766433U (en) | Trapezoidal hanging basket structure | |
| CN115748514A (en) | Construction method of continuous beam body and bridge deck of reinforced concrete longitudinal structure constructed by full hanging baskets | |
| CN214831983U (en) | Novel asynchronous basket construction structures of hanging | |
| CN213358342U (en) | Hanging basket system for synchronous bearing construction of corrugated steel web | |
| CN115679844A (en) | Integrated dismantling method for steel pipe concrete arch bridge | |
| CN212052371U (en) | Hanging basket device for variable width concrete box girder suspension casting construction | |
| CN210368664U (en) | Wide-body bridge girder erection machine | |
| CN209890066U (en) | Box girder bottom web reinforcing bar lifting device | |
| CN111851301A (en) | Bridge erecting machine | |
| CN212688727U (en) | Bridge erecting machine | |
| CN112252194A (en) | Bridge lifting device, transformation system and transformation construction method | |
| CN112048984A (en) | Steel truss girder segment and installation method thereof | |
| CN221193025U (en) | Hanging basket safety decoration platform | |
| CN217629466U (en) | Corrugated steel web plate lifting system for bridge |
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 |