CN110593081A - Component hoisting walking foundation for large railway station house under complex environment and construction method - Google Patents
Component hoisting walking foundation for large railway station house under complex environment and construction method Download PDFInfo
- Publication number
- CN110593081A CN110593081A CN201910818581.2A CN201910818581A CN110593081A CN 110593081 A CN110593081 A CN 110593081A CN 201910818581 A CN201910818581 A CN 201910818581A CN 110593081 A CN110593081 A CN 110593081A
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- trestle
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- crawler crane
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/22—Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials
- E01C5/223—Pavings made of prefabricated single units made of units composed of a mixture of materials covered by two or more of groups E01C5/008, E01C5/02 - E01C5/20 except embedded reinforcing materials on prefabricated supporting or prefabricated foundation units, except coverings made of layers of similar elements
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/12—Portable or sectional bridges
- E01D15/133—Portable or sectional bridges built-up from readily separable standardised sections or elements, e.g. Bailey bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a member hoisting walking foundation under a complex environment of a large-scale railway station house, which is a trestle structure formed by matching upright post units, beam units, inter-post supports and ramp units, wherein each upright post unit is assembled and connected into a frame roadbed through a gusset plate; the ramp unit is arranged at the end part of the frame roadbed; the beam unit is arranged on the upright column unit; the invention also provides a construction method for hoisting a walking foundation by a large member under the complex environment of the large railway station house, and the construction method comprises the following steps of 1) designing the structure of each unit of the trestle; 2) manufacturing each assembling unit of the trestle; 3) assembling each upright unit into a roadbed for the crawler crane to walk; 5) arranging a ramp at the end of the trestle; 6) measuring monitoring points are arranged at the walking position and the hoisting position of the crawler crane on the trestle; 7) hoisting construction on the trestle; 8) deformation of the trestle is monitored by measuring monitoring points in construction. The walking base structure is freely assembled according to the site construction environment.
Description
Technical Field
The invention relates to the field of buildings, in particular to a construction technology of a large crawler crane walking assembly type trestle under a complex environmental condition of a large railway station house.
Background
In recent years, the rapid development of China railways has brought about the emergence of large-scale railway station house projects. The large railway station house has a complex structure, the steel structure single member has heavy weight, and the construction environment is complex, so that the large steel structure member cannot be directly installed in place.
Due to the complex structure and large span of the large railway station house, a large steel structure is often adopted as a structural system. Due to the fact that the large steel members cannot be directly installed in place due to the complex construction environment, the large steel members can be hoisted in place only by erecting a trestle structure as a walking hoisting channel of the large crawler crane. In the conventional steel structure construction process, the following methods are generally adopted: firstly, dividing the whole large steel member into parts and dividing the parts into a plurality of small members for hoisting. And secondly, reserving a construction channel on the walking route of the large-scale crawler crane for installation. The first method needs to arrange a heavy tower crane, so that the field installation workload is increased, the construction quality is difficult to control due to excessive assembly procedures, and the installation period is synchronously increased, so that the construction cost is increased; the second construction method increases the construction difficulty of civil engineering specialties, and the reserved channel is also restricted by the civil engineering specialties. Due to the fact that cross construction of a steel structure and civil engineering major affects each other, construction period is increased and field coordination difficulty is increased.
Disclosure of Invention
The invention aims to solve the problem that the operation of a large-scale component lifted and transported by a crawler is limited by a field structure system and is inconvenient.
In order to solve the technical problems, the invention firstly provides a trestle structure for a large crawler crane to walk, and the specific technical scheme is as follows:
a member hoisting walking foundation under a complex environment of a large railway station house is a trestle structure formed by assembling an upright post unit, a beam unit, inter-post supports and a ramp unit, wherein the upright post unit comprises four support upright posts on the left side and the right side, the tops of the four support upright posts are fixedly connected into a whole through a frame, and the two upright posts on the left side and the two upright posts on the right side are respectively supported and fixed through crossed inter-post supports; the beam unit comprises two main beams and four secondary beams which are full long, and the middles of the two main beams are connected into a rectangular frame unit through the four secondary beams; the upright post units are assembled and connected through the gusset plates and are continued to form a frame roadbed for the crawler crane to walk; the end part of the frame roadbed is provided with a ramp unit, and the ramp unit consists of a plurality of truss structure blocks; the beam unit is fixedly connected on the upright unit through bolts; the top of the beam unit is provided with a roadbed box as a walking foundation of the crawler crane.
The invention also provides a construction method for hoisting the member in the complex environment of the large-scale railway station house, which comprises the following concrete construction steps:
the method comprises the following steps: designing the structure of each unit of the assembled trestle through engineering design calculation, and providing a detailed trestle drawing;
step two: manufacturing a column unit and a beam unit of the trestle according to the detailed drawing;
step three: assembling each upright unit into a roadbed for the crawler crane to walk according to the characteristics of the construction environment, and assembling the upright units and the beam units of the trestle to form a channel for the large crawler crane to hoist large components to walk;
step four: assembling a slope ramp at the position where a crawler crane at the end of the trestle needs to walk to the trestle;
step five: after the trestle is assembled, measuring monitoring points are arranged at the walking position and the hoisting position of the crawler crane on the trestle;
step six: the large crawler crane walks onto the trestle to carry out hoisting construction on the large steel member;
step seven: deformation of the trestle is monitored through measuring monitoring points in the walking process of the crawler crane on the trestle, and construction safety of the crawler crane is guaranteed.
The upright posts and the cross beams are H-shaped steel, the specifications of the H-shaped steel are H350 multiplied by 12 multiplied by 19 and H488 multiplied by 300 multiplied by 11 multiplied by 18 respectively, the supporting specification is [25 ], the thickness of the gusset plate is 20mm, and the ramp structure is made of I-shaped steel I20.
Compared with the prior art, the invention has the beneficial effects that: the invention is applied to the construction of large-scale railway station houses, and the trestle can be freely assembled according to the field construction environment in the construction process to provide a passage for the hoisting operation of the large-scale crawler crane. The installation workload and the construction difficulty of the site are greatly reduced, the construction quality and the construction efficiency are improved, and the manpower is greatly saved while the construction progress is ensured.
Drawings
FIG. 1 is a block diagram of a trestle of the present invention;
FIG. 2 is a top view of the trestle structure of the present invention;
FIG. 3 is a detailed view of the trestle column unit of the invention;
FIG. 4 is a detailed view of a cross beam unit of the trestle of the invention;
FIG. 5 is a diagram of a ramp unit;
FIG. 6 is a right side view structure of a trestle according to the present invention;
FIG. 7 is a modified example of the trestle structure of the present invention;
FIG. 8 is a schematic illustration of the connection of adjacent trestle units;
FIG. 9 is a schematic view of the ramp top approach of the present invention;
in the figure: 1. trestle column unit; 2. a trestle bridge beam unit; 3. supporting among the columns; 4-way base box; 5. a ramp unit.
Detailed Description
The invention is applied to the construction of large railway station houses in the construction process. The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
A member hoisting walking foundation under a complex environment of a large-scale railway station house is a trestle structure formed by matching an upright post unit, a beam unit, inter-post supports and a ramp unit, wherein the upright post unit comprises four support upright posts on the left side and the right side, the tops of the four support upright posts are fixedly connected into a whole through a frame, and the two upright posts on the left side and the two upright posts on the right side are respectively fixed through the inter-post supports; the beam unit comprises two main beams and four secondary beams which are full long, and the middles of the two main beams are connected into a rectangular frame unit through the four secondary beams; the upright post units are assembled and connected through the gusset plates and are continued to form a frame roadbed for the crawler crane to walk; the beam unit is fixedly connected on the upright unit through bolts; a roadbed box is arranged at the top of the beam unit and is used as a walking foundation of the crawler crane; the ramp unit is composed of a plurality of truss structure blocks.
The following figures 1-9 and embodiments illustrate the detailed construction steps of the member hoisting walking foundation in the complex environment of the large railway station house according to the invention:
the method comprises the following steps: installing the upright post unit 1;
step two: after every two upright post units 1 are installed, installing an inter-post support 3 to form a frame to ensure stability;
step three: and (3) sequentially installing the upright units 1 and the intercolumnar supports 3 until a trestle unit is installed, wherein each trestle unit comprises 4 upright units 1 and 4 intercolumnar supports 3.
Step four: after the upright post unit 1 in one trestle unit is installed, the beam unit 2 of the trestle unit is installed, and the beam unit 2 is connected with the upright post unit 1 through bolts.
Step five: paving a roadbed box 4 after the trestle beam unit 2 is installed;
step six: and continuously installing the next trestle unit, wherein the distance between adjacent upright columns of each trestle unit is 500mm, and the adjacent upright columns are connected by adopting a 20mm rear node plate.
Step seven: the trestle units are freely assembled according to the site construction environment; the channel can be a straight channel or a channel with a corner.
Step eight: assembling a ramp unit 5 at the end part of the trestle, wherein the ramp unit 5 is divided into two parts;
step nine: after the trestle system is assembled, a measurement observation point is arranged on the trestle, and the large crawler crane climbs to the top of the trestle through the ramp to perform hoisting operation.
Step ten: the deformation condition of the trestle is monitored by the large-scale crawler crane through the measurement observation points arranged on the trestle when the large-scale crawler crane walks on the trestle, and whether the deformation of the trestle meets the design and standard requirements is monitored.
The trestle can be designed by a single upright post, or can be arranged by double upright posts as shown in figure 7. The stand unit single line arrangement, the bridge floor width is about 2135mm, and the double-line sets up the bridge floor width and is 4300 mm. The roadbed box width is 2135 mm. The crawler width of the crawler crane is 1.2 meters, the widths of the trestle and the roadbed box meet the walking requirement of the crawler crane, and the distance between the trestles on the two sides is adjusted according to the crawler crane crawler distance.
The vertical columns and the transverse beams are H-shaped steel, the specifications of the H-shaped steel are H350 × 12 × 19 and H488 × 300 × 11 × 18 respectively, the supporting specification is [25 ], the thickness of the gusset plate is 20mm, and the ramp structure is made of I-shaped steel I20.
The invention relates to a construction technology of a crawler crane walking trestle for a large-scale railway station house, which is applied to the construction of the large-scale railway station house.
According to the construction technology of the walking trestle of the crawler crane of the large railway station house, the trestle can be freely assembled according to the field construction environment in the construction process to provide a channel for the hoisting operation of the large crawler crane. The large-scale component is not required to be decomposed into small-scale components, the work of on-site repeated assembly is avoided, and a heavy tower crane is not required to be arranged. And a construction channel does not need to be reserved in civil engineering specialties, so that the construction cost is increased. The invention greatly reduces the installation workload and the construction difficulty on site, not only improves the construction quality and the construction efficiency, but also greatly saves the manpower and the construction cost while ensuring the construction progress.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a component hoist and mount walking basis under large-scale railway station room complex environment which characterized in that: the trestle structure is formed by assembling an upright post unit, a beam unit, inter-post supports and a ramp unit, wherein the upright post unit comprises four support upright posts on the left side and the right side, the tops of the four support upright posts are fixedly connected into a whole through a frame, and the two upright posts on the left side and the two upright posts on the right side are respectively supported and fixed among crossed posts; the beam unit comprises two main beams and four secondary beams which are full long, and the middles of the two main beams are connected into a rectangular frame unit through the four secondary beams; the upright post units are assembled and connected through the gusset plates and are continued to form a frame roadbed for the crawler crane to walk; the end part of the frame roadbed is provided with a ramp unit, and the ramp unit consists of a plurality of truss structure blocks; the beam unit is fixedly connected on the upright unit through bolts; the top of the beam unit is provided with a roadbed box as a walking foundation of the crawler crane.
2. The hoisting walking foundation for the members in the complex environment of the large-scale railway station house as claimed in claim 1, wherein: the upright posts and the cross beams are H-shaped steel, the specifications of the H-shaped steel are H350 multiplied by 12 multiplied by 19 and H488 multiplied by 300 multiplied by 11 multiplied by 18 respectively, the supporting specification is [25 ], the thickness of the gusset plate is 20mm, and the ramp structure is made of I-shaped steel I20.
3. The construction method for hoisting the walking foundation of the member in the complex environment of the large-scale railway station house according to claim 1, comprising the following concrete construction steps:
the method comprises the following steps: designing the structure of each unit of the assembled trestle through engineering design calculation, and providing a detailed trestle drawing;
step two: manufacturing a column unit and a beam unit of the trestle according to the detailed drawing;
step three: assembling each upright unit into a roadbed for the crawler crane to walk according to the characteristics of the construction environment, and assembling the upright units and the beam units of the trestle to form a channel for the large crawler crane to hoist large components to walk;
step four: assembling a slope ramp at the position where a crawler crane at the end of the trestle needs to walk to the trestle;
step five: after the trestle is assembled, measuring monitoring points are arranged at the walking position and the hoisting position of the crawler crane on the trestle;
step six: the large crawler crane walks onto the trestle to carry out hoisting construction on the large steel member;
step seven: deformation of the trestle is monitored through measuring monitoring points in the walking process of the crawler crane on the trestle, and construction safety of the crawler crane is guaranteed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818581.2A CN110593081A (en) | 2019-08-30 | 2019-08-30 | Component hoisting walking foundation for large railway station house under complex environment and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818581.2A CN110593081A (en) | 2019-08-30 | 2019-08-30 | Component hoisting walking foundation for large railway station house under complex environment and construction method |
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| CN110593081A true CN110593081A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910818581.2A Pending CN110593081A (en) | 2019-08-30 | 2019-08-30 | Component hoisting walking foundation for large railway station house under complex environment and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851746A (en) * | 2020-08-04 | 2020-10-30 | 中建八局第三建设有限公司 | Construction method of multi-line type large-span inverted trapezoidal space truss roof system |
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| JP2002130539A (en) * | 2000-10-18 | 2002-05-09 | Cr Unit:Kk | Pipe supporting trestle |
| CN204690573U (en) * | 2015-06-01 | 2015-10-07 | 中建八局第三建设有限公司 | The oblique trestle of a kind of portable earthwork transportation |
| CN105019360A (en) * | 2015-07-22 | 2015-11-04 | 中国能源建设集团江苏省电力建设第三工程有限公司 | Construction method of trestle based on high-altitude crawler crane |
| CN107246014A (en) * | 2017-06-30 | 2017-10-13 | 上海建工集团股份有限公司 | Detachable foundation pit trestle system and its construction method |
| CN207392037U (en) * | 2017-07-13 | 2018-05-22 | 高军 | A kind of high-speed rail construction trestle |
| CN212077591U (en) * | 2019-08-30 | 2020-12-04 | 中国二十二冶集团有限公司 | Component hoisting walking foundation under complex environment of large railway station house |
-
2019
- 2019-08-30 CN CN201910818581.2A patent/CN110593081A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130539A (en) * | 2000-10-18 | 2002-05-09 | Cr Unit:Kk | Pipe supporting trestle |
| CN204690573U (en) * | 2015-06-01 | 2015-10-07 | 中建八局第三建设有限公司 | The oblique trestle of a kind of portable earthwork transportation |
| CN105019360A (en) * | 2015-07-22 | 2015-11-04 | 中国能源建设集团江苏省电力建设第三工程有限公司 | Construction method of trestle based on high-altitude crawler crane |
| CN107246014A (en) * | 2017-06-30 | 2017-10-13 | 上海建工集团股份有限公司 | Detachable foundation pit trestle system and its construction method |
| CN207392037U (en) * | 2017-07-13 | 2018-05-22 | 高军 | A kind of high-speed rail construction trestle |
| CN212077591U (en) * | 2019-08-30 | 2020-12-04 | 中国二十二冶集团有限公司 | Component hoisting walking foundation under complex environment of large railway station house |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851746A (en) * | 2020-08-04 | 2020-10-30 | 中建八局第三建设有限公司 | Construction method of multi-line type large-span inverted trapezoidal space truss roof system |
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