CN108301515B - Large-scale radiation light source building body and foundation rail traction assembly type construction method - Google Patents
Large-scale radiation light source building body and foundation rail traction assembly type construction method Download PDFInfo
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- CN108301515B CN108301515B CN201810042974.4A CN201810042974A CN108301515B CN 108301515 B CN108301515 B CN 108301515B CN 201810042974 A CN201810042974 A CN 201810042974A CN 108301515 B CN108301515 B CN 108301515B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/44—Foundations for machines, engines or ordnance
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B1/3205—Structures with a longitudinal horizontal axis, e.g. cylindrical or prismatic structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B2001/3229—Arched structures; Vaulted structures; Folded structures constructed using a boom
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/35—Extraordinary methods of construction, e.g. lift-slab, jack-block
- E04B2001/3577—Extraordinary methods of construction, e.g. lift-slab, jack-block prefabricating a building and moving it as a whole to the erection site
Abstract
The invention discloses a large-scale radiation light source building and foundation rail traction assembly type construction method, which aims at large-scale radiation light source circular building and similar building engineering, provides a method for splitting an integral structure into axisymmetric structural unit bodies and equipment foundation unit bodies, establishes modal quantization indexes to evaluate and calibrate each unit body, utilizes a pre-laid rail system to carry out traction, assembles each standard unit body in place, adjusts the settlement compensation amount and the surface smoothness while implementing, and finally carries out integral fixed connection treatment on each assembled unit body after test and evaluation meet design requirements to form a complete circular building and equipment foundation.
Description
Technical Field
The invention relates to the technical field of large radiation light source buildings, in particular to a traction assembly type construction method for a large radiation light source building and a foundation rail.
Background
At present, a building body and a foundation of a large synchrotron radiation light source are constructed by a cast-in-place method generally, but the traditional construction method has the disadvantages of rough process, low efficiency, incapability of fine control, long time period and difficulty in ensuring the building quality requirement. In summary, the conventional method has the following disadvantages:
(1) the engineering quality is difficult to guarantee. The traditional cast-in-place method is limited by site environment and construction technology in the construction process, the strength variation coefficient of the concrete structure is large, the uncontrollable factors exist in the construction process, the concrete structure cannot be detected and adjusted in time before being formed, and the engineering quality cannot be effectively guaranteed.
(2) The environmental pollution is serious. In the traditional method, a large amount of sewage is generated in the concrete on-site pouring and curing process in the construction process, the pollution is caused to nearby underground water, and a large amount of dust is generated in the concrete transportation and pouring and tamping, so that the method is an important pollution source of inhalable particles in cities.
(3) It is poor in economical efficiency. For a building body, the traditional integral on-site hoisting construction mode needs the cooperation of equipment and personnel such as scaffold engineering, on-site construction positioning and the like, and additional cost needs to be increased. For a large-volume vibration reduction foundation, the traditional field method is difficult to achieve fine control, building materials such as steel, cement and the like are more in loss, the economic consumption is large, and a large amount of building fields are wasted due to stacking of the building materials.
(4) The construction period is long. Because the traditional method is constructed according to the building flow from bottom to top and the building approach construction can be carried out after the foundation is finished, the prefabricated construction in advance like the assembly type construction cannot be carried out, the construction belongs to the conventional method, and the period is long.
Disclosure of Invention
The invention aims to provide a large radiation light source building and foundation rail traction assembly type construction method, and aims to solve the problems that the traditional construction method is rough in process, low in efficiency, incapable of being controlled finely, long in time period and difficult to guarantee the building quality requirement.
In order to achieve the purpose, the technical scheme of the invention provides a large radiation light source building and foundation rail traction assembly type construction method, which comprises the following steps: designing a preliminary scheme to split the whole structure of a large-scale radiation light source building body into a plurality of axisymmetric building structure main body unit bodies and equipment foundation unit bodies; carrying out conventional construction and on-site settlement deformation monitoring on the foundation of the building structure; laying a track and installing traction equipment in place; prefabricating and partially splicing each split standard unit body, and establishing modal quantization indexes to evaluate and calibrate each standard unit body; transporting the prefabricated building structure main body unit bodies to an assembly design position through traction equipment and a rail to be installed in place; transporting the prefabricated equipment foundation unit body to an assembly design position through a traction device and a rail to be installed in place; and dismantling the track and carrying out indoor construction.
Further, the building structure main body unit body and the equipment foundation unit body are standard unit bodies.
Furthermore, the building structure main body is a radiation light source annular truss structure, and the equipment foundation unit body is an internal large-volume micro-vibration-proof foundation structure.
Further, the conventional construction and on-site settlement deformation monitoring of the building structure foundation mainly comprises the step of performing the conventional construction and on-site settlement deformation monitoring of the foundation corresponding to the positions except the building structure main body and the micro-vibration prevention foundation.
Further, the final settlement amount of the on-site settlement deformation monitoring is required to be less than 10mm, and the basic flatness is required to be less than 1/200.
Further, the track bearing requires that the vertical deformation is smaller than 2mm in the subsequent construction process.
Furthermore, a pre-laid rail system is utilized for traction, the building structure main body unit body and the equipment foundation unit body are assembled in place while the settlement compensation amount and the surface evenness are adjusted until test evaluation meets design requirements, the fixed connection is integrally spliced or poured, and the building structure main body and the equipment foundation are established at one time.
Further, the indoor construction comprises terrace construction and indoor decoration.
The invention has the following advantages:
the invention is applied to large-scale radiation light source circular building bodies and similar building engineering at present, a truss structure of a radiation light source building main body and an internal micro-vibration-proof large-volume foundation structure are split to form a plurality of same and small standard unit body structures, and the building structures and the micro-vibration-proof foundation can be built at one time by splicing in place in a rail traction mode. Has the following characteristics:
(1) construction fine control can be realized, and efficiency is high. The comprehensive performance of the technology is controllable and excellent. Because the standard unit body structure is prefabricated, effective detection, calibration and control can be carried out on each unit body in advance, and the processing precision is higher than that of direct construction.
(2) The construction period is fast. Because prefabrication, calibration, transportation, assembly, positioning and the like can be carried out synchronously, and construction can be carried out before foundation excavation, the construction working face can be in large overlap joint, a continuous staggered and overlapped line production face is formed, and the construction period is greatly saved.
(3) The engineering cost is reduced. Through the mode of prefabricating the assembly, can solve because a lot of supplementary consumptions that direct whole construction brought by a wide margin, like scaffold engineering, construction positioning work, on-the-spot concrete construction etc. and track and the drive mechanism that increases from this do not increase the large amount expense, so highly practice thrift the cost.
(4) Green and environment-friendly. Due to the adoption of the prefabrication and assembly, the large-volume concrete pouring, the requirement of a large-area construction site, the centralized transportation of long-distance concrete and the like are avoided.
Drawings
Fig. 1 is a flow chart of a large radiation source building and foundation rail traction assembly type construction method provided by an embodiment of the invention.
Fig. 2 is a schematic drawing diagram of a building structure main unit body in a large radiation source building and foundation rail drawing assembly type construction method provided by the embodiment of the invention.
Fig. 3 is a schematic drawing diagram of a basic unit of a device in a large radiation source building and basic track drawing assembly type construction method provided by the embodiment of the invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, the method for constructing a large radiation source building and a foundation rail in a traction assembly manner includes: designing a preliminary scheme to split the whole structure of a large-scale radiation light source building into a building structure main body unit body 1 and an equipment foundation unit body 2, and when designing the preliminary scheme, considering prefabrication feasibility, processing reliability, transportation convenience and installation safety, analyzing, comparing and demonstrating a slide rail traction in place and assembly type installation construction design scheme, and determining a final design scheme; the building structure main body unit body 1 and the equipment foundation unit body 2 shown in fig. 2 and 3 are standard unit bodies, the building structure main body 1 is a radiation light source ring body truss structure, and the equipment foundation unit body 2 is an internal large-volume micro-vibration-proof foundation structure, the building structure main body unit body 1 shown in fig. 2 is pulled by the integral radiation light source ring body truss structure, and the building structure main body unit body 1 can be split into a plurality of axisymmetric standard unit bodies for traction.
Carrying out conventional construction and on-site settlement deformation monitoring on the foundation of the building structure; further, conventional construction and on-site settlement deformation monitoring are mainly carried out on foundation foundations corresponding to positions except the building structure main body and the micro-vibration prevention foundation; the construction of the foundation ensures that an effective bearing foundation is provided for the implementation of the assembly type scheme; the final settlement is required to be less than 10mm, and the basic flatness is required to be less than 1/200;
laying a track 3 and installing traction equipment in place; furthermore, in order to realize the transportation of the prefabricated unit bodies, two tracks 3 are built in the circular buildings of the building site, wherein, the two sides of the first traction device 41 of the building structure main unit body 1 are provided with support plates, the support plates at the two sides are used for placing the two ends of the radiation light source ring truss structure, the middle part of the second traction device 42 of the equipment foundation unit body 2 is provided with a traction rope, the traction rope is used for hoisting the internal large-volume anti-micro-vibration foundation structure into the building structure foundation of the equipment foundation unit body 2, the transportation and the positioning of the units of the inner structure and the outer structure are carried out according to an assembly design drawing, the building structure main body unit body 1 is an outer structure unit body positioned above a building structure foundation, the equipment foundation unit body 2 is an inner structure unit body positioned in the building structure foundation, and the vertical deformation of a track in the subsequent construction process is required to be less than 2 mm;
prefabricating and partially splicing each split standard unit body, establishing modal quantization indexes to evaluate and calibrate each standard unit body, providing an acceptance target of the unit body structure, and detecting, calibrating and adjusting according to the acceptance target to ensure the structural quality of each unit body;
transporting the prefabricated building structure main body unit body 1 to an assembly design position through a first traction device 41 and a rail 3 to be installed in place; furthermore, a pre-laid rail system is used for traction, the building structure main body unit body 1 is assembled in place, the settlement compensation amount and the surface flatness are adjusted while the operation is carried out until the test and evaluation meet the design requirements, the fixed connection is integrally spliced or poured, and the building structure main body is established at one time.
Transporting the prefabricated equipment foundation unit body 2 to an assembly design position through a second traction device 42 and a rail 3 to be installed in place; furthermore, a pre-laid track system is used for traction, the equipment foundation unit bodies 2 are assembled in place, the assembly of the equipment foundation unit bodies 2 and the assembly of the building structure main body unit bodies 1 can share a track, the settlement compensation amount and the surface flatness are adjusted while the assembly is carried out, the equipment foundation is fixedly connected after the test and evaluation meet the design requirements, the fixedly connected whole is spliced or poured and formed, and the equipment foundation is established at one time.
And dismantling the track and carrying out indoor construction, after the construction process is finished, dismantling the track structure one by one according to the sequence of the traction mechanism, the track, the ballast bed and the auxiliary facilities, and carrying out overall construction on the indoor, including terrace construction, indoor decoration and the like.
In the large radiation light source building and foundation rail traction assembly type construction method provided by the embodiment, the method comprises the following steps:
and (4) performing unit acceptance criteria. The invention splits a radiation light source ring body truss structure and an internal microvibration-proof large-volume foundation structure into a plurality of small standard unit body structures, provides a reasonable and quantitative acceptance standard for each unit body according to the overall target of a building structure, and mainly embodies that the numerical simulation calculation result is taken as the target, the modal distribution characteristics and the basic frequency value of the unit body structure are compared and investigated, and the quantization error is not more than 3%.
And (4) assembling mode of rail traction. Aiming at the building body and the foundation of the large-scale synchrotron radiation light source, the prefabricated unit bodies are transported and put in place in a mode of erecting a track and additionally arranging a tractor, so that the assembly is ensured to be carried out smoothly, and the operability is strong.
Building structures and microvibration-proof foundations are built at one time. The technical method can splice or pour the whole building structure after the detection meets the design requirements, and establish the building structure and the micro-vibration prevention foundation according to the distribution positions synchronously at one time. The structure wholeness is strong, and construction cycle is fast.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A large-scale radiation light source building and foundation rail traction assembly type construction method is characterized by comprising the following steps:
designing a preliminary scheme to split the whole structure of a large-scale radiation light source building body into a plurality of axisymmetric building structure main body unit bodies and equipment foundation unit bodies;
carrying out conventional construction and on-site settlement deformation monitoring on the foundation of the building structure;
laying a track and installing traction equipment in place;
prefabricating and partially splicing each split standard unit body, and establishing modal quantization indexes to evaluate and calibrate each standard unit body;
transporting the prefabricated building structure main body unit bodies to an assembly design position through traction equipment and a rail to be installed in place;
transporting the prefabricated equipment foundation unit body to an assembly design position through a traction device and a rail to be installed in place; and
dismantling the track and carrying out indoor construction;
the building structure main body unit body and the equipment foundation unit body are standard unit bodies;
the building structure main body is a radiation light source annular truss structure, and the equipment foundation unit body is an internal large-volume micro-vibration-proof foundation structure;
the method comprises the steps of utilizing a pre-laid track system for traction, assembling the building structure main body unit bodies and the equipment foundation unit bodies in place, adjusting the settlement compensation amount and the surface flatness while implementing the assembly until test evaluation meets the design requirements, fixedly connecting the building structure main body unit bodies and the equipment foundation unit bodies, integrally splicing or pouring and forming the fixedly connected building structure main body unit bodies and the equipment foundation, and establishing the building structure main body and the equipment foundation at one time.
2. The pull-assembly construction method for large-scale radiation light source building and foundation rail as claimed in claim 1, wherein the conventional construction and on-site settlement deformation monitoring of the building structure foundation mainly comprises the conventional construction and on-site settlement deformation monitoring of the foundation corresponding to the position except the building structure body and the anti-micro-vibration foundation.
3. The traction assembly construction method for large-scale radiation light source building and foundation rail as claimed in claim 2, wherein the final settlement requirement of on-site settlement deformation monitoring is less than 10mm, and the foundation flatness requirement is less than 1/200.
4. The large radiation source building and foundation rail traction assembly type construction method according to claim 1, wherein the rail bearing requires that the vertical deformation is less than 2mm in the subsequent construction process.
5. The traction assembly construction method for large-scale radiation light source building and foundation rail according to claim 1, wherein the indoor construction comprises terrace construction and indoor decoration.
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| CN201810042974.4A CN108301515B (en) | 2018-01-17 | 2018-01-17 | Large-scale radiation light source building body and foundation rail traction assembly type construction method |
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| CN201810042974.4A CN108301515B (en) | 2018-01-17 | 2018-01-17 | Large-scale radiation light source building body and foundation rail traction assembly type construction method |
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| CN108301515A CN108301515A (en) | 2018-07-20 |
| CN108301515B true CN108301515B (en) | 2020-07-31 |
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| KR960000768B1 (en) * | 1990-04-09 | 1996-01-12 | 도꼬 떽꼬 가부시끼가이샤 | Arch type builking structure |
| JP2001303768A (en) * | 2000-04-25 | 2001-10-31 | Shimizu Corp | Construction method for building and building |
| CN101451383A (en) * | 2008-12-25 | 2009-06-10 | 中国建筑第八工程局有限公司 | Sliding construction method of large span steel structure roof |
| CN105569358B (en) * | 2015-12-15 | 2017-09-29 | 中国建筑第八工程局有限公司 | The construction method on the special-shaped curved roof of large span multi-curvature |
| CN107130692A (en) * | 2017-05-27 | 2017-09-05 | 惠州市方特新材料有限公司 | Steel construction segmented assembly synchronization-sliding construction method |
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