CN107869150A - A kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure and construction method - Google Patents
A kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure and construction method Download PDFInfo
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- CN107869150A CN107869150A CN201711194556.9A CN201711194556A CN107869150A CN 107869150 A CN107869150 A CN 107869150A CN 201711194556 A CN201711194556 A CN 201711194556A CN 107869150 A CN107869150 A CN 107869150A
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- 238000010276 construction Methods 0.000 title claims abstract description 111
- 238000009417 prefabrication Methods 0.000 title claims abstract description 75
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 63
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 114
- 239000010959 steel Substances 0.000 claims abstract description 114
- 230000002787 reinforcement Effects 0.000 claims abstract description 52
- 239000004567 concrete Substances 0.000 claims abstract description 42
- 239000003292 glue Substances 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 238000003780 insertion Methods 0.000 claims abstract description 25
- 230000037431 insertion Effects 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000011376 self-consolidating concrete Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000000084 colloidal system Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 238000007569 slipcasting Methods 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 210000001519 tissue Anatomy 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E02D27/42—Foundations for poles, masts or chimneys
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/025—Structures with concrete columns
-
- 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
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B2001/4192—Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure, convex falcon, basis connection steel body, post side dowel and post bottom stiffening plate are connected it is characterized in that being set in the bottom surface of prefabrication and assembly construction post, top sets built-in connecting bolt, connection step, the interior connection reinforcing bar of post and connection dowel, outer surface and sets interface grid layer；Post bottom link slot is set in the upper surface of reinforced concrete foundation, reinforcement angle steel lays groove and post side dowel insertion groove, anchor slab, basic dowel and rear hole for injecting glue in the setting basis of inside；Post bottom buffer layer and reinforcement angle steel are set in reinforced concrete foundation and prefabrication and assembly construction post joint, position-limited hoop plate is set on the outside of reinforcement angle steel；Basic dowel is connected with being connected reinforcing bar in post by bar connecting section, and closed band is set in rear pouring concrete layer and prefabrication and assembly construction post intersection.The present invention can be with the bonding strength of enhancing structure, the anti-seismic performance of improvement structure.The invention also discloses above-mentioned prefabrication and assembly construction post and the construction method of reinforced concrete foundation attachment structure.
Description
Technical field
The present invention relates to one kind can be effectively improved assembled post and armored concrete attachment structure Stress property and shock resistance
Energy, enhancing structure globality, the assembled post and reinforced concrete foundation attachment structure and construction party for being easy to site operation tissue
Method, belong to building engineering field.
Background technology
In recent years, developing rapidly with China's economy, building industrialization have obtained continuous development, assembly concrete
Structure is to realize a kind of important feature of architectural industrialization development model, and its economic, convenient, environmentally friendly advantage has obtained both at home and abroad
Very big concern.
The stressing conditions of assembled architecture component connecting node are complex, and there are some researches show fabricated construction is broken
Connection between bad and different type component is in close relations.Assembled post is to influence assembled with armored concrete attachment structure
The important node of building structure performance, attachment structure character and its anti-seismic performance are to influence the important indicator of the joint behavior, very
The security of whole building can extremely be had an impact.
A kind of existing concrete column is connected with base node, it is characterized in that post, with basic complete cast-in-place, this connected mode is whole
Body stability is relatively good, but the connected mode does not break away from wet node type of attachment, and on-site construction processes are complicated, construction period
It is long, the advantages of assembled architecture is constructed can not be embodied.
A kind of assembly concrete post is connected with base node, it is characterized in that the hole for laying pillar is reserved in basis,
The size of hole should be larger than pillar cross dimensions, and after pillar puts people's hole, pea gravel concreten is used around pillar（It is more mixed than basis
Solidifying native intensity is high）Pour.Such a connected mode is simple to operate, easy for construction, but resistance to overturning is poor, and anti-seismic performance is not strong,
Anti-impact shearing resistance breakout capacity is poor simultaneously.
In summary, some existing assembled posts and base node connection method, achieved under suitable operating mode compared with
Good effect, but remain and can carry improving site operation efficiency, improving joints character, raising site operation quality etc.
Rise part.In consideration of it, in order to further lift the globality of prefabricated concrete structure, shock resistance, urgently invent at present
One kind can be effectively improved assembled post and armored concrete attachment structure Stress property and anti-seismic performance, enhancing structure globality,
It is easy to the assembled post and reinforced concrete foundation attachment structure and construction method of site operation tissue.
The content of the invention
It is an object of the invention to provide one kind can be effectively improved assembled post and armored concrete attachment structure stress
Shape and anti-seismic performance, enhancing structure globality, it is easy to the assembled post of site operation tissue to be connected knot with reinforced concrete foundation
Structure and construction method.
To realize above-mentioned technical purpose, present invention employs following technical scheme：
A kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure, set in the bottom surface of prefabrication and assembly construction post and connect convex falcon, base
Plinth connection steel body, post side dowel and post bottom stiffening plate, top sets built-in connecting bolt, connection step, in post connection reinforcing bar and
Dowel is connected, outer surface sets interface grid layer；Post bottom link slot, reinforcement angle steel are set in the upper surface of reinforced concrete foundation
Groove and post side dowel insertion groove are laid, inside sets anchor slab, basic dowel and rear hole for injecting glue in basis；In armored concrete
Basis is with setting post bottom buffer layer on prefabrication and assembly construction post abutted surface, glue injection body after being set in the outside of post side dowel；Basis is even
The bottom for connecing muscle is connected with anchor slab in basis, and top is connected with being connected reinforcing bar in post by bar connecting section；The bottom of reinforcement angle steel
Portion's insertion reinforcement angle steel is laid in groove, is connected with reinforced concrete foundation by Bolted angle connection bolt connection, top by top
Muscle is connected with the built-in connecting bolt in prefabrication and assembly construction post, and in reinforcement angle steel and the interface grid layer of prefabrication and assembly construction outer surface of column
Between spacing connector is set；On the outside of reinforcement angle steel set 1~3 position-limited hoop plate, at the top of rear pouring concrete layer with it is prefabricated
Assembles post intersection sets closed band.
The prefabrication and assembly construction post is integral prefabricated in precast plant；The top of connection reinforcing bar connects with the welding of post steel bar stress in post
Connect, low side stretches out connection bar diameter in the post of 8~20 times of bottom surface of prefabrication and assembly construction post.
Post bottom buffer layer is pasted on the upper surface of reinforced concrete foundation, using sheet rubber or rubber slab；Mend at post bottom
Strong plate is elongated, is made of stainless steel plate.
Continuously laid along post bottom link slot side in wide at the top and narrow at the bottom trapezoidal in the post side dowel insertion groove cross section；Post
Side dowel uses reinforcing bar or steel pipe or steel column, passes through rear hole for injecting glue injecting glue after the dowel insertion groove of post side dowel insertion post side
Glue injection body after formation.
It is described basis connection steel body use shaped steel or steel pipe, top is welded to connect with the post steel bar stress to connect, bottom and
Steel body glue line is set in the gap of post bottom link slot.
The interface grid layer uses steel fibre grid or fiberglass grid or carbon fiber grille；The spacing connector
Cross section is rectangular, and its transverse width is equal to reinforcement angle steel to the distance of interface grid layer, and top is set on spacing connector
Dowel passes through hole through hole and basic dowel.
The reinforcement angle steel cross section is L-shaped, is integrally rolled using one piece of stainless-steel sheet or two pieces of stainless steel plates hang down
Directly it is welded, top dowel is preset on reinforcement angle steel and passes through hole through hole and Bolted angle connection bolt；Anchor in the basis
Plate is connected with the basic stress reinforcement welding to connect；Built-in connecting bolt uses slip casting bolt or mechanical bolt, with the post to connect
Steel bar stress is welded to connect；
A kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure construction method, including following construction procedure：
1）Preparation of construction：According to structure construction needs, connecting bolt, spacing connector, basis connection steel body, basis built in preparation
The components such as interior anchor slab, reinforcement angle steel.
2）It is prepared by prefabrication and assembly construction post：Prefabrication and assembly construction is prepared according to design concrete strength and post steel bar stress result of calculation
Post, and laid in assembled post and reinforcing bar, built-in connecting bolt, basis connection steel body and post side dowel are connected in post, make post
Interior connection reinforcing bar, built-in connecting bolt, basis connection steel body, post bottom stiffening plate weld with the post steel bar stress to connect connect respectively
Connect, interface grid layer is laid along the outer surface of prefabrication and assembly construction post, connection dowel is set at top connection step；
3）Reinforced concrete foundation is constructed：Reinforced concrete is prepared according to design concrete strength and basic stress Reinforcing Steel Bar Calculation result
Earth foundation, it is synchronous that anchor slab and basic dowel in basis are set when basic stress reinforcing bar is laid, and make anchor slab and base in basis
Plinth steel bar stress is welded to connect, and basic dowel is bolted with anchor slab in basis；The coagulation of reinforced concrete foundation
Thereon, surface groove forms post bottom link slot respectively before native initial set, reinforcement angle steel lays groove and post side dowel insertion groove；
4）The buffer layer laying of post bottom：Along basic top surface uniformly laying one layer of post bottom buffer layer, and make post bottom buffer layer lower surface with
Basic top surface is pasted close；
5）Prefabrication and assembly construction post lifts：The prefabrication and assembly construction post prepared lifted using crane gear upper to reinforced concrete foundation
Surface, steel body glue line first is set in the stretching section surface of basis connection steel body, then basis connection steel body is connected with post side
Muscle inserts in post bottom link slot and post side dowel insertion groove respectively, and is set between the soil body on the outside of prefabrication and assembly construction post and basis
Auxiliary stand；
6）Injecting glue body construction afterwards：By rear hole for injecting glue into post side dowel insertion groove injecting glue, glue injection body after formation, make post side connect
Muscle is connect to be connected firmly with reinforced concrete foundation；
7）Reinforcement angle steel and top dowel are set：The bottom of reinforcement angle steel is first set to pass through Bolted angle connection bolt and armored concrete
Basis is connected firmly, then basic dowel is passed through hole through basic dowel, top dowel is connected through top
Muscle is passed through behind hole built in insertion in connecting bolt and is connected firmly；
8）Position-limited hoop plate is set：In the outside of reinforcement angle steel, the short transverse along reinforcement angle steel sets 1~3 position-limited hoop plate, and
Position-limited hoop plate is welded to connect with the reinforcement angle steel to connect；
9）Pouring concrete layer is constructed afterwards：Self-compaction is poured on the outside of prefabrication and assembly construction post and reinforced concrete foundation connecting node to mix
Solidifying soil or lower shrinkage concrete, and make the flush of prefabrication and assembly construction post and reinforced concrete foundation；
10）Closed band is pasted：After concrete forms intensity, first remove auxiliary stand, then at the top of rear pouring concrete layer with
Prefabrication and assembly construction post intersection sets closed band.
The present invention has the characteristics of following and beneficial effect
（1）The present invention be provided with prefabrication and assembly construction post and reinforced concrete foundation junction it is basic be connected steel body, post side dowel,
The reinforcing steel bodies such as basic dowel, reinforcement angle steel, reinforcing steel body and post steel bar stress or basic stress bar connecting, can effectively be carried
Rise the globality of structure.
（2）The present invention is provided with post bottom stiffening plate in the bottom surface of prefabrication and assembly construction post, can play stress spread effect, prevent pre-
Bias, which locally occurs, for the suspension column of assembles post processed destroys.
（3）The present invention is provided with post bottom buffer layer in the seam crossing of prefabrication and assembly construction post and reinforced concrete foundation, can be one
Determine the anti-seismic performance of improvement structure in degree.
（4）The present invention sets interface grid layer in prefabrication and assembly construction outer surface of column, while in the connection step of prefabrication and assembly construction post
Position is provided with connection dowel, can strengthen the bonding strength of prefabrication and assembly construction post and rear pouring concrete layer, prevent cracking destruction.
（5）The present invention relates to structure site operation between dry method and wet method, site operation tissue is convenient, efficiency of construction
It is higher.
Brief description of the drawings
Fig. 1 is prefabrication and assembly construction post of the present invention and reinforced concrete foundation attachment structure sectional schematic diagram；
Fig. 2 is the spacing connector profiles of Fig. 1；
Fig. 3 is prefabrication and assembly construction post of the present invention and reinforced concrete foundation attachment structure construction process figure.
In figure：1- prefabrication and assembly construction posts；The convex falcon of 2- connections；3- bases connection steel body；4- posts side dowel；The bottom reinforcement of 5- posts
Plate；Connecting bolt built in 6-；7- connection steps；Connection reinforcing bar in 8- posts；9- connection dowels；10- interfaces grid layer；11- reinforcing bars
Concrete foundation；12- posts bottom link slot；13- reinforcement angle steel lays groove；14- posts side dowel insertion groove；Anchor slab in 15- bases；
16- bases dowel；Hole for injecting glue after 17-；18- posts bottom buffer layer；Glue injection body after 19-；20- bar connecting sections；21- Strengthening corners
Steel；22- Bolted angle connection bolts；23- tops dowel；The spacing connectors of 24-；25- position-limited hoop plates；The closed bands of 26-；27- steel
Body glue line；28- tops dowel passes through hole；29- bases dowel passes through hole；30- Bolted angle connections bolt passes through hole；31-
Auxiliary stand；32- post steel bar stresses；33- basic stress reinforcing bars；Pouring concrete layer after 34-；The 35- bases outside soil body.
Specific embodiment
Embodiments of the invention are described in further detail below in conjunction with brief description of the drawings, but the present embodiment is not used to limit
The system present invention, every similar structure using the present invention and its similar change, all should be included in protection scope of the present invention.
The design and construction technical requirements of prefabrication and assembly construction post, the design and construction technical requirements of reinforced concrete foundation, show
Field welding procedure technical requirements, rear pouring concrete layer construction technical requirement, interface grid layer laying construction technical requirements etc., this reality
Apply in mode and repeat no more, emphasis illustrates that the present invention relates to the embodiment of structure.
Fig. 1 is prefabrication and assembly construction post of the present invention and reinforced concrete foundation attachment structure sectional schematic diagram, and Fig. 2 is Fig. 1 spacing
Connector profile, shown in 1~Fig. 2 of reference picture, the present invention relates to prefabrication and assembly construction post（1）With reinforced concrete foundation（11）Connection
Structure, in prefabrication and assembly construction post（1）Bottom surface set and connect convex falcon（2）, basis connection steel body（3）, post side dowel（4）With post bottom
Stiffening plate（5）, top sets built-in connecting bolt（6）, connection step（7）, connection reinforcing bar in post（8）With connection dowel（9）, appearance
Face sets interface grid layer（10）；In reinforced concrete foundation（11）Upper surface post bottom link slot is set（12）, reinforcement angle steel
Lay groove（13）With post side dowel insertion groove（14）, inside sets anchor slab in basis（15）, basic dowel（16）With rear note
Glue hole（17）；In reinforced concrete foundation（11）With prefabrication and assembly construction post（1）Post bottom buffer layer is set on abutted surface（18）, in post side
Dowel（4）Outside set after glue injection body（19）；Basic dowel（16）Bottom with basis in anchor slab（15）Connection, top
With being connected reinforcing bar in post（8）Pass through bar connecting section（20）Connection；Reinforcement angle steel（21）Bottom insertion reinforcement angle steel lay groove
（13）It is interior, with reinforced concrete foundation（11）Pass through Bolted angle connection bolt（22）Connection, top passes through top dowel（23）With
Prefabrication and assembly construction post（1）Interior built-in connecting bolt（6）Connection, and in reinforcement angle steel（21）With prefabrication and assembly construction post（1）Outer surface
Interface grid layer（10）Between spacing connector is set（24）；In reinforcement angle steel（21）Outside sets 1~3 position-limited hoop plate
（25）, in rear pouring concrete layer（34）Top and prefabrication and assembly construction post（1）Intersection sets closed band（26）.
Prefabrication and assembly construction post（1）Integral prefabricated in precast plant, cross dimension is 500mm × 500mm, strength grade of concrete
For C30；Connection reinforcing bar in post（8）With post steel bar stress（32）Use a diameter of 32mm spiral.Connect step（7）Point
Two-stage, the height of every grade of step are 50mm, and land lengths are 150mm between step.
Connect convex falcon（2）Top width is 200mm, bottom width 100mm, high 50mm, with prefabrication and assembly construction post（1）Integral cast-in-situ and
Into.
Basis connection steel body（3）It is using I-steel, I-steel overall dimensions 110 × 90 × 9, theoretical weight
26.05kg/m。
Post side dowel（4）Using a diameter of 32mm spiral, stretch out and connect convex falcon（2）Surface 50mm.
Post bottom stiffening plate（5）Thick 2mm, strength grade are used as Q235b stainless steel plate, a width of 150mm of plate.
Built-in connecting bolt（6）Internal diameter is used as 25mm, a length of 100mm sleeve nut.
Connect dowel（9）Using a diameter of 12mm spiral.
Interface grid layer（10）Using bidirectional glass fiber grid, paste and connect with prefabrication and assembly construction post.
Reinforced concrete foundation（11）Cross dimension be 700mm × 700mm, strength grade of concrete C25, basis
Steel bar stress（33）Using a diameter of 25mm spiral；Reinforced concrete foundation（11）The post bottom link slot of upper surface（12）
Top width is 220mm, bottom width 120mm；Post bottom link slot（12）The post side dowel insertion groove of side wall（14）Top width for 30mm,
Bottom width is 20mm；Hole for injecting glue afterwards（17）Aperture be 10mm.Glue injection body afterwards（19）Pass through rear hole for injecting glue（17）Formed after injecting glue, glue
Body uses AB glue.
Reinforcement angle steel lays groove（13）Long 150mm, wide 100mm, deep 60mm；Reinforcement angle steel（21）Long 150mm, wide 100mm,
Thick 10mm, strength grade Q235b.
Anchor slab in basis（15）Long 500mm, wide 400mm, thick 10mm, strength grade Q235b.Anchor slab in basis（15）And
Spacing connector（24）On basic dowel pass through hole（29）Diameter be 40mm；Basic dowel（16）And bar connecting
Section（20）Use a diameter of 32mm spiral.
Post bottom buffer layer（18）Formed using thick 2mm sheet rubber cutting.
Bolted angle connection bolt（22）With top dowel（23）Use a diameter of 20mm stainless steel bolt.Bolted angle connection
Bolt passes through hole（30）A diameter of 25mm.
Spacing connector（24）Size be 100mm × 100mm × 80mm, by thick 2mm, strength grade be Q235b not
Rust steel plate is welded；
Spacing connector（24）Upper setting top dowel passes through hole（28）Aperture be 30mm.
Position-limited hoop plate（25）Width be 100mm, by thick 2mm, strength grade be Q235b stainless steel plate rolling form；
Closed band（26）Using water proof rubber band, thickness 2mm.
Steel body glue line（27）Bonded and formed using AB glue.
Auxiliary stand（31）Using I-steel, I-steel overall dimensions 110 × 90 × 9, theoretical weight 26.05kg/
m。
Pouring concrete layer afterwards（34）Poured and formed using self-compacting concrete, strength grade of concrete C35.
The basic outside soil body（35）The sandy soil of close state in, soil body wet density are 19.8g/cm3。
Fig. 3 is prefabrication and assembly construction post of the present invention and reinforced concrete foundation attachment structure construction process figure, shown in reference picture 2,
A kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure construction method, including following construction procedure：
1）Preparation of construction：According to structure construction needs, connecting bolt built in preparation（6）, spacing connector（24）, basis connection steel
Body（3）, basis in anchor slab（15）, reinforcement angle steel（21）Deng component.
2）Prefabrication and assembly construction post（1）Prepare：According to design concrete strength and post steel bar stress（32）Result of calculation prepares pre-
Assembles post processed（1）, and laid in assembled post in post and connect reinforcing bar（8）, built-in connecting bolt（6）, basis connection steel body（3）
With post side dowel（4）, make connection reinforcing bar in post（8）, built-in connecting bolt（6）, basis connection steel body（3）, post bottom stiffening plate
（5）Post steel bar stress with connecting respectively（32）It is welded to connect, along prefabrication and assembly construction post（1）Outer surface laying interface grid layer
（10）, step is connected at top（7）Place sets connection dowel（9）；
3）Reinforced concrete foundation（11）Construction：According to design concrete strength and basic stress reinforcing bar（33）It is prepared by result of calculation
Reinforced concrete foundation（11）, in basic stress reinforcing bar（33）It is synchronous that anchor slab in basis is set during laying（15）Connected with basis
Muscle（16）, and make anchor slab in basis（15）With basic stress reinforcing bar（33）It is welded to connect, makes basic dowel（16）In basis
Anchor slab（15）It is bolted；Reinforced concrete foundation（11）Concrete initial set before thereon, surface groove forms post respectively
Bottom link slot（12）, reinforcement angle steel lay groove（13）With post side dowel insertion groove（14）；
4）Post bottom buffer layer（18）Laying：One layer of post bottom buffer layer is uniformly laid along basic top surface（18）, and make post bottom buffer layer
（18）Pasted with basic top surface close in lower surface；
5）Prefabrication and assembly construction post（1）Lifting：The prefabrication and assembly construction post that will be prepared using crane gear（1）Lift to reinforced concrete
Plinth（11）Upper surface, first basis connect steel body（3）Stretching section surface set steel body glue line（27）, then make basis even
Connect steel body（3）With post side dowel（4）Post bottom link slot is inserted respectively（12）With post side dowel insertion groove（14）It is interior, and pre-
Assembles post processed（1）With the soil body on the outside of basis（35）Between auxiliary stand is set（31）；
6）Glue injection body afterwards（19）Construction：Pass through rear hole for injecting glue（17）To post side dowel insertion groove（14）Interior injecting glue, noted after formation
Colloid（19）, make post side dowel（4）With reinforced concrete foundation（11）It is connected firmly；
7）Reinforcement angle steel（21）And top dowel（23）Set：First make reinforcement angle steel（21）Bottom pass through Bolted angle connection bolt
（22）With reinforced concrete foundation（11）It is connected firmly, then makes basic dowel（16）Hole is passed through through basic dowel（29）,
Then top dowel is made（23）Hole is passed through through top dowel（28）Connecting bolt built in insertion afterwards（6）It is interior and connect jail
Gu；
8）Position-limited hoop plate（25）Set：In reinforcement angle steel（21）Outside along reinforcement angle steel（21）Short transverse set 1~3
Position-limited hoop plate（25）, and by position-limited hoop plate（25）With the reinforcement angle steel to connect（21）It is welded to connect；
9）Pouring concrete layer afterwards（34）Construction：In prefabrication and assembly construction post（1）And reinforced concrete foundation（11）The outside of connecting node
Self-compacting concrete or lower shrinkage concrete are poured, and makes prefabrication and assembly construction post（1）And reinforced concrete foundation（11）Surface put down
Together；
10）Closed band（26）Paste：After concrete forms intensity, auxiliary stand is first removed（31）, then in rear pouring concrete
Layer（34）Top and prefabrication and assembly construction post（1）Intersection sets closed band（26）.
Claims (8)
1. a kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure, it is characterised in that in prefabrication and assembly construction post（1）Bottom surface
Set and connect convex falcon（2）, basis connection steel body（3）, post side dowel（4）With post bottom stiffening plate（5）, top sets built-in connection spiral shell
Bolt（6）, connection step（7）, connection reinforcing bar in post（8）With connection dowel（9）, outer surface sets interface grid layer（10）；In steel
Reinforced concrete basis（11）Upper surface post bottom link slot is set（12）, reinforcement angle steel lay groove（13）Inserted with post side dowel
Groove（14）, inside sets anchor slab in basis（15）, basic dowel（16）With rear hole for injecting glue（17）；In reinforced concrete foundation
（11）With prefabrication and assembly construction post（1）Post bottom buffer layer is set on abutted surface（18）, in post side dowel（4）Outside set after injecting glue
Body（19）；Basic dowel（16）Bottom with basis in anchor slab（15）Connection, top in post with being connected reinforcing bar（8）Pass through reinforcing bar
Linkage section（20）Connection；Reinforcement angle steel（21）Bottom insertion reinforcement angle steel lay groove（13）It is interior, with reinforced concrete foundation
（11）Pass through Bolted angle connection bolt（22）Connection, top passes through top dowel（23）With prefabrication and assembly construction post（1）Connect built in interior
Connecting bolt（6）Connection, and in reinforcement angle steel（21）With prefabrication and assembly construction post（1）The interface grid layer of outer surface（10）Between set limit
Position connector（24）；In reinforcement angle steel（21）Outside sets 1~3 position-limited hoop plate（25）, in rear pouring concrete layer（34）Top
With prefabrication and assembly construction post（1）Intersection sets closed band（26）.
2. a kind of prefabrication and assembly construction post according to claim 1 and reinforced concrete foundation attachment structure, it is characterised in that institute
State prefabrication and assembly construction post（1）It is integral prefabricated in precast plant；Connection reinforcing bar in post（8）Top and post steel bar stress（32）Welding connects
Connect, low side stretches out prefabrication and assembly construction post（1）Connection reinforcing bar in the post of 8~20 times of bottom surface（8）Diameter.
3. a kind of prefabrication and assembly construction post according to claim 1 and reinforced concrete foundation attachment structure, it is characterised in that institute
State post bottom buffer layer（18）It is pasted on reinforced concrete foundation（11）Upper surface, using sheet rubber or rubber slab；The reinforcement of post bottom
Plate（5）It is elongated, it is made of stainless steel plate.
4. a kind of prefabrication and assembly construction post according to claim 1 and reinforced concrete foundation attachment structure, it is characterised in that institute
State post side dowel insertion groove（14）Cross section is in wide at the top and narrow at the bottom trapezoidal, along post bottom link slot（12）Continuously lay side；Post side
Dowel（4）Using reinforcing bar or steel pipe or steel column, post side dowel（4）Insert post side dowel insertion groove（14）Pass through rear note afterwards
Glue hole（17）Injecting glue forms rear glue injection body（19）.
5. a kind of prefabrication and assembly construction post according to claim 1 and reinforced concrete foundation attachment structure, it is characterised in that institute
State basis connection steel body（3）Using shaped steel or steel pipe, top and the post steel bar stress to connect（32）It is welded to connect, bottom and post bottom
Link slot（12）Gap in set steel body glue line（27）.
6. a kind of prefabrication and assembly construction post according to claim 1 and reinforced concrete foundation attachment structure, it is characterised in that institute
State interface grid layer（10）Using steel fibre grid or fiberglass grid or carbon fiber grille；The spacing connector（24）It is horizontal
Section is rectangular, and its transverse width is equal to reinforcement angle steel（21）To interface grid layer（10）Distance, in spacing connector（24）
Upper setting top dowel passes through hole（28）Hole is passed through with basic dowel（29）.
7. a kind of prefabrication and assembly construction post according to claim 1 and reinforced concrete foundation attachment structure, it is characterised in that institute
State reinforcement angle steel（21）Cross section is L-shaped, is integrally rolled using one piece of stainless-steel sheet or two pieces of stainless steel plate vertical weldings
Form, in reinforcement angle steel（21）Upper default top dowel passes through hole（28）Hole is passed through with Bolted angle connection bolt（30）；The base
Anchor slab in plinth（15）With the basic stress reinforcing bar to connect（33）It is welded to connect；Built-in connecting bolt（6）Using slip casting bolt or machine
Tool bolt, with the post steel bar stress to connect（32）It is welded to connect.
8. a kind of prefabrication and assembly construction post and reinforced concrete foundation attachment structure construction method, it is characterised in that including following construction step
Suddenly：
1）Preparation of construction：According to structure construction needs, connecting bolt built in preparation（6）, spacing connector（24）, basis connection steel
Body（3）, basis in anchor slab（15）, reinforcement angle steel（21）Deng component；
2）Prefabrication and assembly construction post（1）Prepare：According to design concrete strength and post steel bar stress（32）Result of calculation prepares prefabricated dress
With post（1）, and laid in assembled post in post and connect reinforcing bar（8）, built-in connecting bolt（6）, basis connection steel body（3）And post
Side dowel（4）, make connection reinforcing bar in post（8）, built-in connecting bolt（6）, basis connection steel body（3）, post bottom stiffening plate（5）Point
Post steel bar stress not with connecting（32）It is welded to connect, along prefabrication and assembly construction post（1）Outer surface laying interface grid layer（10）,
Top connects step（7）Place sets connection dowel（9）；
3）Reinforced concrete foundation（11）Construction：According to design concrete strength and basic stress reinforcing bar（33）It is prepared by result of calculation
Reinforced concrete foundation（11）, in basic stress reinforcing bar（33）It is synchronous that anchor slab in basis is set during laying（15）Connected with basis
Muscle（16）, and make anchor slab in basis（15）With basic stress reinforcing bar（33）It is welded to connect, makes basic dowel（16）In basis
Anchor slab（15）It is bolted；Reinforced concrete foundation（11）Concrete initial set before thereon, surface groove forms post respectively
Bottom link slot（12）, reinforcement angle steel lay groove（13）With post side dowel insertion groove（14）；
4）Post bottom buffer layer（18）Laying：One layer of post bottom buffer layer is uniformly laid along basic top surface（18）, and make post bottom buffer layer
（18）Pasted with basic top surface close in lower surface；
5）Prefabrication and assembly construction post（1）Lifting：The prefabrication and assembly construction post that will be prepared using crane gear（1）Lift to reinforced concrete
Plinth（11）Upper surface, first basis connect steel body（3）Stretching section surface set steel body glue line（27）, then make basis even
Connect steel body（3）With post side dowel（4）Post bottom link slot is inserted respectively（12）With post side dowel insertion groove（14）It is interior, and pre-
Assembles post processed（1）With the soil body on the outside of basis（35）Between auxiliary stand is set（31）；
6）Glue injection body afterwards（19）Construction：Pass through rear hole for injecting glue（17）To post side dowel insertion groove（14）Interior injecting glue, noted after formation
Colloid（19）, make post side dowel（4）With reinforced concrete foundation（11）It is connected firmly；
7）Reinforcement angle steel（21）And top dowel（23）Set：First make reinforcement angle steel（21）Bottom pass through Bolted angle connection bolt
（22）With reinforced concrete foundation（11）It is connected firmly, then makes basic dowel（16）Hole is passed through through basic dowel（29）,
Then top dowel is made（23）Hole is passed through through top dowel（28）Connecting bolt built in insertion afterwards（6）It is interior and connect jail
Gu；
8）Position-limited hoop plate（25）Set：In reinforcement angle steel（21）Outside along reinforcement angle steel（21）Short transverse set 1~3
Position-limited hoop plate（25）, and by position-limited hoop plate（25）With the reinforcement angle steel to connect（21）It is welded to connect；
9）Pouring concrete layer afterwards（34）Construction：In prefabrication and assembly construction post（1）And reinforced concrete foundation（11）The outside of connecting node
Self-compacting concrete or lower shrinkage concrete are poured, and makes prefabrication and assembly construction post（1）And reinforced concrete foundation（11）Surface put down
Together；
10）Closed band（26）Paste：After concrete forms intensity, auxiliary stand is first removed（31）, then in rear pouring concrete
Layer（34）Top and prefabrication and assembly construction post（1）Intersection sets closed band（26）.
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| CN201711194556.9A CN107869150B (en) | 2017-11-24 | 2017-11-24 | A kind of prefabrication and assembly construction column and reinforced concrete foundation connection structure and construction method |
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| CN108979138A (en) * | 2018-09-05 | 2018-12-11 | 三筑工科技有限公司 | Support system, assembled laminated frame trestle and column bed die block erection method |
| CN109555350A (en) * | 2018-10-29 | 2019-04-02 | 国网山东省电力公司烟台供电公司 | A kind of power distribution rod |
| CN110924527A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Steel plate interface bolt connecting structure and method for reinforced concrete column and foundation |
| CN113152921A (en) * | 2021-04-10 | 2021-07-23 | 江苏金云建设工程有限公司 | Ground ring beam reinforcing structure and construction method |
| CN113982305A (en) * | 2021-10-27 | 2022-01-28 | 上海建工二建集团有限公司 | Force transmission node of reconstruction and reconstruction structure and construction method thereof |
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| CN113982305A (en) * | 2021-10-27 | 2022-01-28 | 上海建工二建集团有限公司 | Force transmission node of reconstruction and reconstruction structure and construction method thereof |
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| CN107869150B (en) | 2019-07-16 |
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