CN108360550A - A kind of steel construction direct-burried foundation bolt construction method - Google Patents
A kind of steel construction direct-burried foundation bolt construction method Download PDFInfo
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- CN108360550A CN108360550A CN201810165872.1A CN201810165872A CN108360550A CN 108360550 A CN108360550 A CN 108360550A CN 201810165872 A CN201810165872 A CN 201810165872A CN 108360550 A CN108360550 A CN 108360550A
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- 238000010276 construction Methods 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 230000000694 effects Effects 0.000 claims abstract description 39
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 238000012552 review Methods 0.000 claims abstract description 9
- 238000004873 anchoring Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 238000009415 formwork Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 230000002787 reinforcement Effects 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 235000000396 iron Nutrition 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 208000029152 Small face Diseases 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000009416 shuttering Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 238000007796 conventional method Methods 0.000 abstract description 3
- 238000012937 correction Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009466 transformation Effects 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
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (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)
- Foundations (AREA)
Abstract
A kind of steel construction direct-burried foundation bolt construction method, it is characterised in that include the following steps：A, by lateral, longitudinal axis pilot measurement at basic short column center to cushion cap foundation concrete surface, b, the reinforcing bar of deviation is adjusted correction, c, installation activity fixed plate and rigid fixation plate, d, in strict accordance with drawing, arrangement and method for construction, Steel Reinforcing Bar Material list dispensing, molding, e, formwork, f, the axis to pre-embedded bolt skeleton and absolute altitude carry out check with it is compound, g, reinforcing bar is bound, h, pre-embedded anchoring bolts are carried out with final review, concrete surface is smoothed out with wooden float and receives light by dismounting activity fixed plate.The present invention has activity fixed plate and rigid fixation plate positioning device structure simple, it makes, be arranged conveniently, improve the stability of pre-embedded bolt positioning, increase the location measure of vertical direction, the larger drawback of the strong variable for changing conventional method vertical direction, the advantages of reducing variable, promoting the positioning accuracy of pre-embedded bolt.
Description
Technical field
The present invention relates to a kind of foundation bolts, specifically, being a kind of steel construction direct-burried foundation bolt construction method.
Background technology
In architectural engineering, the tradition positioning way of pre-embedded bolt generally divides following several steps：
1. column reinforcing bar is bound；
2. foundation bolt and column main reinforcement or stirrup are welded to connect with bar dowel；
3. adjusting position, spacing and the absolute altitude of pre-embedded bolt, and reinforced；
4. using the review positioning of the survey tools such as level meter, spirit level.
Fig. 1 is known steel construction embedding anchor bolts system structure diagram, and Fig. 2 is the sectional view of A-A in Fig. 1.It passes
The relative position of system construction method, pre-embedded bolt is fixed accurate, and the variable of vertical direction is larger.When base concrete pours
After the completion, when superstructure lifts.The bolt pore size and relative position of connecting portion fix.Can only be just to use at this time
The mode beaten carries out the adjustment of position.But directly beat pre-embedded bolt so that bolt is deformed, is bent, and reduces spiral shell
The mechanical strength of bolt itself.Labor intensity is increased, carrys out big inconvenience to the hanging belt in later stage.Progress is slow, cost increases,
And cause hidden danger of quality.
Therefore it is known with the mode of beaing adjust pre-embedded bolt mode there are problems that it is above-mentioned various inconvenient and.
Invention content
The purpose of the present invention is to propose a kind of stability of raising pre-embedded bolt positioning, reduces variable, reduces review
The steel construction direct-burried foundation bolt construction method of the workload of positioning.
To achieve the above object, technical solution of the invention is：
A kind of steel construction direct-burried foundation bolt construction method, the foundation platform bottom of steel construction are square, and substrate is certain
Thickness C15 element concretes, the plain concrete side ratio cushion cap bottom big 200mm of the square length of side, cushion cap section is trapezoidal, at four foundation bolts
In cushion cap center, foundation bolt is arranged in the basic short column of steel construction, and basic short column quadrangle is vertically equipped with main reinforcement, main reinforcement
Through cushion cap bottom, foundation platform arrangement of reinforcement is the board bottom single-layer bidirectional reinforcing bar that 14mm reinforcing bars place one every 150 millimeters, special
Sign is to include the following steps：
A, after cushion cap foundation concreting is completed and reaches final set, according to cushion cap foundation plane construction drawing by basic short column center
Lateral, longitudinal axis pilot measurement to cushion cap foundation concrete surface, using ink fountain the pop-up of cushion cap foundation surface laterally, it is longitudinal
Axis, basic four side sideline of short column and center control line, using the foundation as mounting foot bolt and supporting module；According to base
It is made in the main reinforcement of the absolute altitude pilot measurement of basic short column to basic short column of red paint easy to remember at elevation level control point outside plinth
Number；
B, after the completion of basic short column surveying setting-out, the reinforcing bar of deviation is adjusted according to the unwrapping wire in cushion cap foundation plane and is entangled
Just, when casting concrete caused by reinforcing bar deformation, bending, displacement, carry out straightening, finishing in time using artificial；
C, installation activity fixed plate and rigid fixation plate, include the following steps：
（1）Prefabricated activity fixed plate and each one piece of rigid fixation plate：Activity fixed plate uses the square box that 4 band irons are welded into
Then frame is positioned according to the anchor bolt pitch square shaped frame of design drawing, using bit bore or punching, hole it is straight
Diameter is bigger 2mm than the outer diameter of foundation bolt；Rigid fixation plate is welded into square frame using 4 band irons, according to the spiral shell of design drawing
Bolt spacing square shaped frame positioned, using bit bore or punching, and the diameter in hole is than foundation bolt in rigid fixation plate
The big 4mm of outer diameter；
（2）Installation activity fixed plate and rigid fixation plate：Draw upper basic short column respectively in activity fixed plate and rigid fixation plate
Mounting axis and mounting height, and carry out mark；First foundation bolt bottom end is filled in drilling or punching when installation, using plug
Eyelet welding is by rigid fixation plate and foundation bolt firm welding, and the mounting height of rigid fixation plate is with mark on basic short column to homogeneous
It causes, then activity fixed plate is inserted in foundation bolt, in activity fixed plate in basic short column mounting axis and cushion cap foundation plane
Axis alignment, will be rigid with the bar dowel level of four φ 10mm after the completion of the axis of rigid fixation plate, level measurement positioning
Fixed plate and basic short column main reinforcement firm welding, foundation bolt top nut fastening activity fixed plate and rigidly fix
Plate；
D, in strict accordance with drawing, arrangement and method for construction, Steel Reinforcing Bar Material list dispensing, molding；Shape, the size of steel bar meter, which have to comply with, to be set
Meter requires, and rebar surface answers clean, lossless trace and iron rust；It must not be used with the reinforcing bar that graininess or sheet are become rusty always；Short column, hoop
The making tolerance of muscle sectional dimension is 0~-5mm；Drag hook should catch on main reinforcement in basic short column, and one end is processed at drag hook both ends
90 °, 135 ° of the other end inwardly pulls 90 ° of ends to more than 100 ° after binding；Basic short column reinforcing bar crosspoint is all pricked using galvanized wire
Jail；When binding, iron wire is buckled will be at "eight" shape, in order to avoid diagonal distortion；
E, substrate surface is cleaned out before formwork, pops up center line, basic short column sideline on bed course according to location control stake
And basic short column control line, basic short column template use 15mm glued boards, and heel is done with 50mm × 90mm lumps of wood, spacing 200~
250mm；Before template assembly, construction personnel should conscientiously be familiar with drawing, specify size, the absolute altitude at each position, formulate economical rationality
Template assembly scheme；Entire template system will accomplish firm supporting, have enough rigidity, strength and stability, template geometry
Size is accurate, and piece is smooth tight；Not damage corner angle, not be bonded as principle, form removal rear pattern plate will be stood for the dismounting of basic side form
Clean out；According to the center line and template sideline for having popped up basic short column, successively the small face die plate of installation basic short column in place and
Facet template is clamped and is used steel pipe or the lumps of wood by big face die plate by the way of the big small face die plate of face die plate packet with big face die plate
It reinforces, together, one of steel pipe of bottommost is not more than 150mm to spacing 500mm away from template bottom spacing；It simultaneously should be with surrounding steel pipe feet hand
Frame is connected or anchoring skewed horizontal load again is driven underground with steel pipe, to ensure the rigidity and stability of support system；
F, template installation reinforce after the completion of, axis and absolute altitude to pre-embedded bolt skeleton carry out check with it is compound, locally have deviation
Corrected adjustment.
G, after reinforcing bar binding, template install, self-test and handing-over inspection formality should be carried out in time, subitem is filled in by builder
Evaluation and concealment acceptance record, and supervision companies, the construction unit relevant personnel is notified to carry out an acceptance inspection, lower road is carried out after acceptance(check)
Process；Engineering pours Commercial Concrete, and additive and raw material used in concrete must have product certificate, retrial to report written information, money
It is used after material acceptance(check)；Concrete placings should determine sequence of construction in advance, and any construction set in addition to design must not be stayed when pouring
Seam；Construction sews up after loose stone should be removed to clean, dabbing and moistening of watering at stranding and carries out concrete placings again；Concrete process of vibrating
In, special messenger should be sent to check whether shuttering supporting is reinforced firm, if having piece spillage, part to rise, mould, reinforcing bar shift, bolt deviates
The phenomenon that, once find to stop concrete placings immediately, it is to be corrected it is good after carry out concrete placings again；Pre-embedded bolt, the special portion of shearing slot
The concrete of position vibrates and vibrating head should be avoided to be in direct contact, and to avoid displacement；
H, after concreting is vibrated, pre-embedded anchoring bolts are carried out with final review, after meeting the requirements, dismounting activity is solid
Concrete surface is smoothed out with wooden float and receives light by fixed board.
The steel construction direct-burried foundation bolt construction method of the present invention can also be using technical measures below come further real
It is existing.
Method above-mentioned, wherein the activity fixed plate band iron specification is 50*3mm.
Method above-mentioned, wherein the rigid fixation plate band iron specification is 50*5mm.
Method above-mentioned, wherein the rigid fixation plate foundation bolt specification is M24.
Method above-mentioned, wherein the activity fixed plate foundation bolt specification is M24.
After adopting the above technical scheme, the steel construction direct-burried foundation bolt construction method of the present invention has the following advantages：
1, activity fixed plate and rigid fixation plate positioning device structure are simple, make, are arranged conveniently；
2, the stability for improving pre-embedded bolt positioning, increases the location measure of vertical direction, strong to change conventional method Vertical Square
To the larger drawback of variable, reduce variable, promote the positioning accuracy of pre-embedded bolt；
3, the workload of review positioning is reduced, the labor intensity of later stage lifting is reduced, improves working efficiency, reduces engineering cost.
Description of the drawings
Fig. 1 is known steel construction embedding anchor bolts system structure diagram；
Fig. 2 is the sectional view of A-A in Fig. 1；
Fig. 3 is the steel construction embedding anchor bolts system structure diagram of the embodiment of the present invention；
Fig. 4 is the sectional view of B-B in Fig. 3；
Fig. 5 is the sectional view of C-C in Fig. 3.
In figure：1 reserved opening, 2 foundation bolts, 3 column root-plates, 4 shear key reserved openings, 5 concrete, 6 the 1st anchorings connect
Meet reinforcing bar, 7 the 2nd anchor connection reinforcing bars, 8 pre-embedded bolt activity fixed plates, 9 pre-embedded bolt rigid fixation plates, 10 basic short column masters
Muscle.
Specific implementation mode
With reference to embodiments and its attached drawing illustrates further the present invention.
Embodiment 1
The steel construction pre-embedded bolt construction technology process of the present invention：
Basic short column surveying setting-out → short column reinforcing bar arranges and correction → installation pre-embedded bolt skeleton（The pre-embedded bolt skeleton according to
5.3 method step, rapid making, installation below）And with short column main reinforcement firm welding → short column stirrup binding → basis short column template
It installs and fixes → checks and bolt embedment position and correct → process inspection declaration and concealment acceptance → casting concrete → review bolt
Pre-buried position → dismounting pre-embedded bolt activity fixed plate → short column top concrete surface receives light.
The steel construction direct-burried foundation bolt construction method of the present invention, includes the following steps：
A, after cushion cap foundation concreting is completed and reaches final set, according to cushion cap foundation plane construction drawing by the transverse direction of short column,
Longitudinal axis pilot measurement is to cushion cap foundation concrete surface.Using ink fountain lateral, the longitudinal axis of cushion cap foundation surface pop-up,
Short column sideline and control line, using the foundation as installation bolt and supporting module.It, will according to the elevation level control point outside basis
In the absolute altitude pilot measurement to the main reinforcement of short column of short column, mark is carried out with red paint.
B, after the completion of short column surveying setting-out, the reinforcing bar of deviation is adjusted by correction according to the unwrapping wire on cushion cap foundation face,
Reinforcing bar deformation, bending, displacement caused by when casting concrete carry out straightening, finishing in time using artificial.
Fig. 3 is the steel construction embedding anchor bolts system structure diagram of the embodiment of the present invention, and Fig. 4 is that B-B is cutd open in Fig. 3
View, Fig. 5 are the sectional view of C-C in Fig. 3.
C, installation activity fixed plate 8 and rigid fixation plate 9, include the following steps：
（1）Prefabricated activity fixed plate and each one piece of rigid fixation plate：Activity fixed plate uses the square box that 4 band irons are welded into
Then frame is positioned according to the anchor bolt pitch square shaped frame of design drawing, using bit bore or punching, hole it is straight
Diameter is bigger 2mm than the outer diameter of foundation bolt；Rigid fixation plate is welded into square frame using 4 band irons, according to the spiral shell of design drawing
Bolt spacing square shaped frame positioned, using bit bore or punching, and the diameter in hole is than foundation bolt in rigid fixation plate
The big 4mm of outer diameter.
（2）Installation activity fixed plate and rigid fixation plate：Draw upper basis respectively in activity fixed plate and rigid fixation plate
Short column mounting axis and mounting height, and carry out mark；First foundation bolt bottom end is filled in drilling or punching when installation, is adopted
It is welded rigid fixation plate 9 and 2 firm welding of foundation bolt, the mounting height of rigid fixation plate and mark on basic short column with consent
Alignment is consistent, then activity fixed plate is inserted in foundation bolt, basic short column mounting axis and cushion cap foundation in activity fixed plate
Axis alignment in plane, it is horizontal by activity fixed plate quadrangle and basic short column with the 1st anchor connection reinforcing bar 6 of four φ 10mm
10 firm welding of main reinforcement of quadrangle.The axis of rigid fixation plate, level measurement positioning are anchored with the 2nd of four φ 10mm the after the completion
Horizontal 10 firm welding of main reinforcement by rigid fixation plate quadrangle and basic short column quadrangle of reinforcing bar 7 is connected, on the top of foundation bolt
With nut fastening activity fixed plate and rigid fixation plate.
D, in strict accordance with drawing, arrangement and method for construction, Steel Reinforcing Bar Material list dispensing, molding；Shape, the size of steel bar meter must accord with
Design requirement is closed, rebar surface answers clean, lossless trace and iron rust etc..It must not be used with the reinforcing bar that graininess or sheet are become rusty always.
Short column, stirrup sectional dimension making tolerance be 0~-5mm.Drag hook should catch on main reinforcement in short column, and drag hook both ends can process
At 90 ° of one end, 135 ° of one end inwardly pulls at 90 ° of ends to more than 100 ° after binding.Short column reinforcing bar crosspoint is all pricked using galvanized wire
Jail.When binding, iron wire is buckled will be at "eight" shape, in order to avoid diagonal distortion.Reinforcing bar crosspoint is all fastened using galvanized wire.When binding,
Iron wire is buckled will be at "eight" shape, in order to avoid diagonal distortion.
E, substrate surface is cleaned out before formwork, pops up center line, short column sideline on bed course according to location control stake
And short column control line.Short column template uses 15mm glued boards, and heel, 200~250mm of spacing are with 50mm × 90mm lumps of wood.Mould
Before plate assembly, construction personnel should conscientiously be familiar with drawing, specify size, the absolute altitude at each position, formulate the template assembly of economical rationality
Scheme.Entire template system will accomplish firm supporting, have enough rigidity, strength and stability, and template geometric dimension is accurate,
Piece is smooth tight.Not damage corner angle, not be bonded as principle, form removal rear pattern plate will be cleared up dry immediately for the dismounting of basic side form
Only.According to the center line and template sideline popped up, the small face die plate of short column in place and big face die plate are installed successively, it is small using loaf
Facet template is clamped and is used steel pipe or the lumps of wood to reinforce by the mode in face with big face die plate, and together, bottommost is together by spacing 500mm
Steel pipe is not more than 150mm away from template bottom spacing.It should be connected simultaneously with surrounding steel pipe scaffold or anchoring is driven underground again with steel pipe
Skewed horizontal load, to ensure the rigidity and stability of support system.
F, template installation reinforce after the completion of, axis and absolute altitude to pre-embedded bolt skeleton carry out check with it is compound, locally have deviation
Corrected adjustment.
G, after reinforcing bar binding, template install, self-test and handing-over inspection formality should be carried out in time, subitem is filled in by builder
Evaluation and concealment acceptance record, and notify the relevant personnel such as supervision companies, construction unit to carry out an acceptance inspection, can be into after acceptance(check)
Row next procedure.This engineering Commercial Concrete, additive and raw material used in concrete must have product certificate, the written money such as retrial report
Material, materials confirming qualification rear can be used；Concrete placings should determine sequence of construction in advance, must not stay and be set in addition to design when pouring
Any construction joint.Construction sews up after loose stone should be removed to clean, dabbing and moistening of watering at stranding and carries out concrete placings again.Concrete
In process of vibrating, special messenger should be sent to check whether shuttering supporting is reinforced firm, if there is piece spillage, the local mould that rises, reinforcing bar to shift,
The phenomenon that bolt deviates, once find to stop concrete placings immediately, it is to be corrected it is good after carry out concrete placings again.Privileged sites（As in advance
Bury bolt, shearing slot）Concrete vibrate and vibrating head should be avoided to be in direct contact, to avoid displacement.
H, after concreting is vibrated, final review is carried out to pre-embedded bolt, after meeting the requirements, dismounting activity is solid
Concrete surface is smoothed out with wooden float and receives light by fixed board.
The present invention has substantive distinguishing features and significant technological progress, steel construction direct-burried foundation bolt construction party of the invention
Method is the improvement to the positioning way of traditional pre-embedded bolt, on the basis of the positioning way of traditional pre-embedded bolt, is increased vertical
The location measure in direction, the larger drawback of the strong variable for changing conventional method vertical direction, reduces variable, is promoted pre-buried
The positioning accuracy of bolt reduces the workload of review positioning, reduces the labor intensity of later stage lifting, improves working efficiency.This hair
Bright steel construction direct-burried foundation bolt construction method is simple, of low cost, easily operated, significant effect.
Above example is used for illustrative purposes only rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or variation.Therefore, all equivalent
Technical solution should also belong to scope of the invention, should be limited by each claim.
Claims (5)
1. a kind of steel construction direct-burried foundation bolt construction method, the foundation platform bottom of steel construction are square, substrate one
Determine thickness C15 element concretes, the plain concrete side ratio cushion cap bottom big 200mm of the square length of side, cushion cap section is trapezoidal, four foundation bolts
In cushion cap center, foundation bolt is arranged in the basic short column of steel construction, and basic short column quadrangle is vertically equipped with main reinforcement, main
Muscle goes directly cushion cap bottom, and foundation platform arrangement of reinforcement is the board bottom single-layer bidirectional reinforcing bar that 14mm reinforcing bars place one every 150 millimeters,
It is characterized in that including the following steps：
A, after cushion cap foundation concreting is completed and reaches final set, according to cushion cap foundation plane construction drawing by basic short column center
Lateral, longitudinal axis pilot measurement to cushion cap foundation concrete surface, using ink fountain the pop-up of cushion cap foundation surface laterally, it is longitudinal
Axis, basic four side sideline of short column and center control line, using the foundation as mounting foot bolt and supporting module；According to base
It is made in the main reinforcement of the absolute altitude pilot measurement of basic short column to basic short column of red paint easy to remember at elevation level control point outside plinth
Number；
B, after the completion of basic short column surveying setting-out, the reinforcing bar of deviation is adjusted according to the unwrapping wire in cushion cap foundation plane and is entangled
Just, when casting concrete caused by reinforcing bar deformation, bending, displacement, carry out straightening, finishing in time using artificial；
C, installation activity fixed plate and rigid fixation plate, include the following steps：
（1）Prefabricated activity fixed plate and each one piece of rigid fixation plate：Activity fixed plate uses the square box that 4 band irons are welded into
Then frame is positioned according to the anchor bolt pitch square shaped frame of design drawing, using bit bore or punching, hole it is straight
Diameter is bigger 2mm than the outer diameter of foundation bolt；Rigid fixation plate is welded into square frame using 4 band irons, according to the spiral shell of design drawing
Bolt spacing square shaped frame positioned, using bit bore or punching, and the diameter in hole is than foundation bolt in rigid fixation plate
The big 4mm of outer diameter；
（2）Installation activity fixed plate and rigid fixation plate：Draw upper basic short column respectively in activity fixed plate and rigid fixation plate
Mounting axis and mounting height, and carry out mark；First foundation bolt bottom end is filled in drilling or punching when installation, using plug
Eyelet welding is by rigid fixation plate and foundation bolt firm welding, and the mounting height of rigid fixation plate is with mark on basic short column to homogeneous
It causes, then activity fixed plate is inserted in foundation bolt, in activity fixed plate in basic short column mounting axis and cushion cap foundation plane
Axis alignment, will be rigid with the bar dowel level of four φ 10mm after the completion of the axis of rigid fixation plate, level measurement positioning
Fixed plate and basic short column main reinforcement firm welding, foundation bolt top nut fastening activity fixed plate and rigidly fix
Plate；
D, in strict accordance with drawing, arrangement and method for construction, Steel Reinforcing Bar Material list dispensing, molding；Shape, the size of steel bar meter, which have to comply with, to be set
Meter requires, and rebar surface answers clean, lossless trace and iron rust；It must not be used with the reinforcing bar that graininess or sheet are become rusty always；Short column, hoop
The making tolerance of muscle sectional dimension is 0~-5mm；Drag hook should catch on main reinforcement in basic short column, and one end is processed at drag hook both ends
90 °, 135 ° of the other end inwardly pulls 90 ° of ends to more than 100 ° after binding；Basic short column reinforcing bar crosspoint is all pricked using galvanized wire
Jail；When binding, iron wire is buckled will be at "eight" shape, in order to avoid diagonal distortion；
E, substrate surface is cleaned out before formwork, pops up center line, basic short column sideline on bed course according to location control stake
And basic short column control line, basic short column template use 15mm glued boards, and heel is done with 50mm × 90mm lumps of wood, spacing 200~
250mm；Before template assembly, construction personnel should conscientiously be familiar with drawing, specify size, the absolute altitude at each position, formulate economical rationality
Template assembly scheme；Entire template system will accomplish firm supporting, have enough rigidity, strength and stability, template geometry
Size is accurate, and piece is smooth tight；Not damage corner angle, not be bonded as principle, form removal rear pattern plate will be stood for the dismounting of basic side form
Clean out；According to the center line and template sideline for having popped up basic short column, successively the small face die plate of installation basic short column in place and
Facet template is clamped and is used steel pipe or the lumps of wood by big face die plate by the way of the big small face die plate of face die plate packet with big face die plate
It reinforces, together, one of steel pipe of bottommost is not more than 150mm to spacing 500mm away from template bottom spacing；It simultaneously should be with surrounding steel pipe feet hand
Frame is connected or anchoring skewed horizontal load again is driven underground with steel pipe, to ensure the rigidity and stability of support system；
F, template installation reinforce after the completion of, axis and absolute altitude to pre-embedded bolt skeleton carry out check with it is compound, locally have deviation
Corrected adjustment；
G, after reinforcing bar binding, template install, self-test and handing-over inspection formality should be carried out in time, and subitem evaluation is filled in by builder
It is recorded with concealment acceptance, and supervision companies, the construction unit relevant personnel is notified to carry out an acceptance inspection, lower road work is carried out after acceptance(check)
Sequence；Engineering pours Commercial Concrete, and additive and raw material used in concrete must have product certificate, retrial to report written information, data
It is used after acceptance(check)；Concrete placings should determine sequence of construction in advance, and any construction joint set in addition to design must not be stayed when pouring；
Construction sews up after loose stone should be removed to clean, dabbing and moistening of watering at stranding and carries out concrete placings again；In concrete process of vibrating,
Special messenger should be sent to check whether shuttering supporting is reinforced firm, if having piece spillage, part to rise, mould, reinforcing bar shift, bolt deviates
Phenomenon, once find to stop concrete placings immediately, it is to be corrected it is good after carry out concrete placings again；Pre-embedded bolt, shearing slot privileged sites
Concrete vibrate and vibrating head should be avoided to be in direct contact, to avoid displacement；
H, after concreting is vibrated, pre-embedded anchoring bolts are carried out with final review, after meeting the requirements, dismounting activity is solid
Concrete surface is smoothed out with wooden float and receives light by fixed board.
2. steel construction direct-burried foundation bolt construction method as described in claim 1, which is characterized in that the activity fixed plate is flat
Iron specification is 50*3mm.
3. steel construction direct-burried foundation bolt construction method as described in claim 1, which is characterized in that the rigid fixation plate is flat
Iron specification is 50*5mm.
4. steel construction direct-burried foundation bolt construction method as described in claim 1, which is characterized in that the rigid fixation plate
Foot bolt specification is M24.
5. steel construction direct-burried foundation bolt construction method as described in claim 1, which is characterized in that the activity fixed plate
Foot bolt specification is M24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109680709A (en) * | 2019-02-12 | 2019-04-26 | 苏州朗捷通智能科技有限公司 | A kind of monitoring upright bar native pile foundation and its construction method |
| CN110144974A (en) * | 2019-06-20 | 2019-08-20 | 中国五冶集团有限公司 | A kind of construction method and its structure of fixed flush type waterstop |
| CN110144927A (en) * | 2019-06-20 | 2019-08-20 | 中国五冶集团有限公司 | A kind of device of pre-embedded anchoring bolts group |
| CN110541429A (en) * | 2019-08-30 | 2019-12-06 | 绍兴文理学院 | energy-consuming bolt type connecting method for connecting concrete prefabricated column and foundation |
| CN111395783A (en) * | 2020-04-25 | 2020-07-10 | 五冶集团上海有限公司 | Construction method for carrying out in-place fine correction and adjustment on bolt |
| CN113250326A (en) * | 2021-04-30 | 2021-08-13 | 上海二十冶建设有限公司 | BIM technology-based pipeline bracket rooting method |
| CN114033191A (en) * | 2021-12-13 | 2022-02-11 | 中国化学工程第十一建设有限公司 | Anchor plate type foundation bolt positioning method |
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| CN110541429B (en) * | 2019-08-30 | 2021-04-30 | 绍兴文理学院 | Energy-consuming bolt type connecting method for connecting concrete prefabricated column and foundation |
| CN111395783A (en) * | 2020-04-25 | 2020-07-10 | 五冶集团上海有限公司 | Construction method for carrying out in-place fine correction and adjustment on bolt |
| CN111395783B (en) * | 2020-04-25 | 2024-01-30 | 五冶集团上海有限公司 | Construction method for carrying out positioning fine adjustment on bolts |
| CN113250326A (en) * | 2021-04-30 | 2021-08-13 | 上海二十冶建设有限公司 | BIM technology-based pipeline bracket rooting method |
| CN114033191A (en) * | 2021-12-13 | 2022-02-11 | 中国化学工程第十一建设有限公司 | Anchor plate type foundation bolt positioning method |
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