CN110528577A - A kind of cast-in-place aluminium film construction method of underground pipe gallery - Google Patents
A kind of cast-in-place aluminium film construction method of underground pipe gallery Download PDFInfo
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- CN110528577A CN110528577A CN201910838647.4A CN201910838647A CN110528577A CN 110528577 A CN110528577 A CN 110528577A CN 201910838647 A CN201910838647 A CN 201910838647A CN 110528577 A CN110528577 A CN 110528577A
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- wall
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- alloy pattern
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G19/00—Auxiliary treatment of forms, e.g. dismantling; Cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G9/00—Forming or shuttering elements for general use
- E04G9/02—Forming boards or similar elements
- E04G9/06—Forming boards or similar elements the form surface being of metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of cast-in-place aluminium film construction methods of underground pipe gallery, including the unwrapping wire before construction, the installation that wall aluminum alloy pattern plate is carried out after unwrapping wire, carries out demoulding, the installation of wall aluminum alloy pattern plate after wall pours, the first step, bottom plate and after leading wall reinforcement installation, the position between horizontal spacing and longitudinal pitch between reinforcing bar and every screw rod through walls is respectively arranged with inner support, the inner support and accomplish wide with body of wall, and the upper and lower surface of inner support is horizontal, left and right direction and wall line are at right angle.The present invention makes this method that can guarantee the construction quality of piping lane in implementation process by being provided with a series of structure, at the same facilitate user to mold carry out using.
Description
Technical field
The present invention relates to piping lane construction field, specially a kind of cast-in-place aluminium film construction method of underground pipe gallery.
Background technique
Urban Underground pipe gallery can be unified by the engineering pipelines together as one such as electric power, communication, combustion gas, heat supply, plumbing
It is allocated placement.It requires to be usually 100 years in view of the design service life of underground pipe gallery, construction should ensure that piping lane has foot
Enough durability, applicability and safeties.
Traditional piping lane is needed in construction using template, thus the progress conveniently poured, while but also piping lane matter
It measures to be promoted.But traditional template is when in use, has the shortcomings that weight is big, is easily deformed, and in template construction
When with demoulding, construction intensity is larger, needs using ancillary equipments such as tower cranes, to the use of user bring it is certain not
Just.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, a kind of cast-in-place aluminium film construction method of underground pipe gallery is provided, it should
The cast-in-place aluminium film construction method of underground pipe gallery efficiently solves that existing template weight is big, reusing number, few and existing template is difficult
The problem of to be separated with Cast-in-Situ Segment wall.
Technical scheme is as follows: a kind of cast-in-place aluminium film construction method of underground pipe gallery, including the unwrapping wire before construction, In
The installation that wall aluminum alloy pattern plate is carried out after unwrapping wire, carries out demoulding, the installation of wall aluminum alloy pattern plate, the first step, bottom plate after wall pours
The position between horizontal spacing and longitudinal pitch point and after leading wall reinforcement installation, between reinforcing bar and every screw rod through walls
It is not provided with inner support, the inner support and accomplish wide with body of wall, and the upper and lower surface of inner support is horizontal, left and right direction and wall line are at right angle, and the
Two steps, when initially installing wall aluminum alloy pattern plate, positioning brick nails on concrete surface and hammers on the inside of outer angle mould, to protect
Demonstrate,prove wall aluminum alloy pattern plate installation alignment Loft Line, third step, according to wall normal control wire, since the sealing plate of end, both sides simultaneously by
Part installs wall aluminum alloy pattern plate, and the 4th step need to pre-install set before closing piping lane inside wall formwork on wall aluminum alloy pattern plate connector
Pipe, while to guarantee that casing and wall both sides wall aluminum alloy pattern plate face contact position are accurate, to withdraw commonly to drawing after being poured
The wall aluminum alloy pattern plate of bolt, exterior wall carries out thickness of wall body control, the 5th step, wall aluminum alloy pattern plate by Three-section water stop split bolt
After the installation is completed, it need to be fixed with temporary support, then back cord reinforcing in both sides is installed, tighten Screw arbor with nut at both-ends, when Screw arbor with nut at both-ends is tightened,
The thickness of wall becomes smaller, and when Screw arbor with nut at both-ends is unscrewed, the thickness of wall becomes larger, the 6th step, at wall aluminum alloy pattern plate top corners,
Fixed plumb bob is freely fallen, and plumb bob tip is aligned flooring degree control line, if any deviation, is adjusted by adjusting diagonal brace,
Until plumb bob tip and reference control line are overlapped.
Preferably, all templates are installed since corner, and it is clean to carry out removing surface before wallboard installation, are smeared appropriate
Release agent.
Preferably, wall sealing up screw position is encountered in the wall form installation process, need by screw rod both ends pass through pair
The template hole location answered.
Preferably, the spacing of the water-stop opposite-pulling screw rod in the horizontal direction is not more than 1000mm, and longitudinal pitch is not more than
550mm。
Preferably, release agent is coated on the wall aluminum alloy pattern plate.
Preferably, in the construction process, it is wall form positioned at the upper wall aluminum alloy pattern plate of two sides wall, is located at piping lane top
Holding the wall aluminum alloy pattern plate on outer wall is backform, and the template on the inner wall of piping lane top is piping lane roof plate template, the demoulding packet
The dismounting of wall form and the dismounting of backform are included, wall form is removed by the top of a wall position, after wall pours, wall form
It is at least kept 24 hours using duration, the use duration of backform is at least kept 36 hours, and the use duration of piping lane roof plate template is extremely
It is kept for 48 hours less.
The present invention have the advantages that compared with prior art guarantee piping lane pouring quality when, the aluminum of use
Template has many advantages, such as that rigidity is big, indeformable, not play drum, weight small, and can increase the access times of template, facilitate user
It is dismounted, the use of tower crane is reduced；And separation layer is painted in template, template and cast-in-situ wall can be facilitated
Between separate；The use of aluminum template, due to reducing the production manufacturing procedure at scene to the greatest extent, to reduce construction
Noise, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is construction process figure of the invention.
Fig. 2 is the structural schematic diagram of top plate spine support head.
Fig. 3 is the cross-sectional view of A-A in Fig. 2.
Fig. 4 is the cross-sectional view of B-B in Fig. 2.
Fig. 5 is the cross-sectional view of C-C in Fig. 2.
Fig. 6 is the schematic diagram of the section structure for holding mould.
Fig. 7 is the mounting structure schematic diagram of wallboard.
Fig. 8 is the structural schematic diagram of template.
Fig. 9 is the structural schematic diagram of back cord.
Component label instructions: 1, bolster；2, branch fastener；3, connecting tube；4, beam seat；5, inside wall formwork；6, outer wall template；7,
Cast-in-place piping lane；8, pre-buried type water-seal pipe；9, plugging plate；10, aluminum corner brace；11, C slot；12, wallboard；13, back cord is erected；14, horizontal back cord；
15, U-shaped code；16, wallboard is led.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Present invention will be further explained below with reference to the attached drawings and examples:
A kind of cast-in-place aluminium film construction method of underground pipe gallery,
The first step, scene prepare
(1) construction site base pit dewatering well, gutter should construct completion, and precipitation elevation meets design requirement.
(2) foundation pit side-wall spray anchor reaches design strength, and base concrete cushion construction is completed, and foundation elevation, which meets design, to be wanted
It asks, substrate waterproof roll and waterproof protective layer construction finish, and meet subsequent handling execution conditions.
(3) template is stacked field hardening and is finished, and place is answered solid, smooth and without ponding, and border is equipped with gutter.
(4) the interim dressing tool of template prepares, such as: electrical drilling machine, angle grinder, toothless saw, aluminium welding machine, compressed air shotblasting machine.
(5) stockyard is equipped with nameplate, and the aluminum dipping form component marched into the arena should carry out classification number, unified to place.It is answered in work progress
If special messenger carries out material disengaging field management, use and stockpile number are periodically checked.
(6) reasonable arrangement of personnel, mechanical equipment and schedule should be carried out before constructing.
Second step, mold prepares, as shown in Fig. 7,8,9
(1) producer's profession is cooperated in conjunction with architectural drawing, structure chart, connection detail and associated construction specification according to design requirement
Technical staff carries out aluminum alloy mould plate Deepen Design；
(2) in-depth model should be carefully checked after aluminum dipping form Deepen Design, it is ensured that after being able to satisfy original drawing construction requirement,
Aluminum dipping form is carried out by specialized factory to manufacture；
(3) aluminum dipping form is manufactured and to carry out examination in factory assembled, is checked and accepted in advance in project management department to factory, complete template finished product into
Row pre-delivery inspection；After aluminum dipping form examination assembly and examination, to template system it is numbered, draws assembled drawing, be used as
Field worker construction guidance；
(4) aluminum dipping form is removed after the completion of number and is packaged entrucking is transported to construction site.Quantity is checked, the ruler of every piece of template is checked
Very little and flatness need to meet design requirement；
(5) organizing construction administrative staff and part worker give training to producer, are familiar with drawing and aluminum alloy pattern plate installation is torn open
Discharging method, sequence of construction and process overlap joint operation require.
Third step, personnel prepare
(1) sound project under construction organization, personnel's setting, principle are established.Personnel depaly will control as strict as possible, make every effort to one
One hilllock of people；
(2) to the personnel for participating in form work engineering construction, it is necessary to carry out technical training and safety education, it is made to understand this engineering
The safe practice operating instruction of template construction feature, the relevant clauses for being familiar with specification and this post.Construction personnel should have regular physical checkups,
Through diagnosis it is all with hypertension, heart disease, anaemia, epileptics and other be not suitable with the disease of high altitude operation when, must not on
Operating platform work.Can take appointment with certificate work after comprehensive examination is qualified.Mainly construction personnel answers relatively fixed, and in strict accordance with
Operating instruction construction operation；
(3) before template assembly and disassembly and bracket are set up, removed, Ying Jinhang constructing operation safe practice is told somebody what one's real intentions are, and the note that should tell somebody what one's real intentions are
Record: template installation, bracket are set up and are finished, and should check and accept by regulation tissue, and the signature confirmation that should let people through money；
(4) worker (including apprentice, trainee, be commissioned to train personnel) for participating in construction, will know the safe practice of this work post
Operating instruction.In operation, the work position Ying Jianshou is forbidden to operate after drinking.Electrician, welder, hoister and various motor-driven
Vehicle drivers, it is necessary to it is passed the examination by specialized training and issues operating instruction card, the quasi- independent operation in side.
4th step, mold installation
Mold is made of wall form system, roof plate template system and end plate template system
Wall form system
Aluminum alloy wall template system by wallboard 12, vertical back cord 13, lateral back cord 14, lead wallboard 16, water-stop opposite-pulling screw rod,
The equal components composition of U-shaped code 15, main design parameters are as follows:
(1) aluminium plate used in this engineering inner, external wall template 6 is with a thickness of 6mm, and profile height is 65mm when laying flat.In monolithic
5 standard size of wall form is 500 × 1900mm, and 6 standard size of monolithic outer wall template is 500 × 2700mm.If it exists beyond mark
When the cast-in-place position of the inner, external wall of quasi- plate height, it should make and increase plate, with close proximity above and below on-gauge plate.
(2) the wall form back side configures lateral back cord 14 and vertical back cord 14, and material is 80mm × 30mm × 3mm × 2 square
Shape steel pipe.5 transverse direction back cords 14 are arranged in inside and outside metope altogether, and clipping room is away from the requirement that should meet Deepen Design drawing.
(3) template configuration: by maximum area cross dimensions multiplied by 30 meters of length project amount configuration templates, the template configured
Width also should apply to other cross dimensions；
It (4) is fixed form and control wall thickness.Wall form also needs setting water-stop opposite-pulling screw rod when installing, screw rod horizontal direction is set
Set spacing≤1000mm, longitudinally disposed spacing≤550mm.Since sealing up screw point three-stage designs, when demoulding, only needs to remove
Two sections of end, interlude does not need to remove.It is high-strength to the trapezoidal tooth spiral shell of drawing that selected water-stop opposite-pulling screw rod performance is no less than T18
Bar.
Roof plate template system, as shown in Fig. 2,3,4,5
Roof plate template system is by roof plate template, keel, branch fastener 2, independent bracing members, C slot 11 (corner C slot), bolt, pin
The components such as nail, selling sheet composition, main design parameters are as follows:
(1) aluminium plate used in this engineering roof plate template is with a thickness of 6mm, and profile height is 65mm when laying flat.Top plate gauge
Very little is 500 × 800mm and 500 × 700mm, and part is according to practical structures dimensional configurations.
(2) the aluminium diplodocus bone of one of 100mm wide should be arranged in roof plate template lateral separation≤900mm spacing, and aluminium diplodocus bone is vertical
To interval≤1000mm setting Quick Release branch fastener 2 (meteor hammer)；(4) top plate supporting system, which is provided that, selects independent bracing members
And three horizontal rods are arranged in steel pipe support, piping lane standard section, longitudinal gap should not exceed 1000mm；Three longitudinal directions are set
Horizon bar, lateral separation are respectively 1000mm, 900mm, 700mm, and longitudinal steel pipe should be arranged in above lateral steel pipe, open position
By the way of overlap joint connection, bridging is set up along piping lane depth direction in each cabin, and scissors tie distance should not exceed 5000mm setting.
End plate template system
(1) wall end plate template is led
The vertical wall of this engineering is poured into above bottom plate at 650mm, and wall horizontal construction joint is arranged, because piping lane construction is being applied
Buried formula waterstop in the setting of work standard paragraphs interface, so guide wall form board needs to match using C slot 11 and special-shaped aluminum alloy pattern plate combination
It sets, end plate should be constructed using the method for jumping cabin construction, be convenient for form removal.It is finished to concreting and reaches regulation mark
It is removed together with wall and roof plate template after quasi- intensity.
(2) wall upper end plate template is led
This engineering lead wall upper end plate with lead as wall end plate, because piping lane construction construction reference fragment position setting in it is buried
Waterstop is needed using C slot 11 and special-shaped aluminum alloy pattern plate combination configuration.After concreting finishes and reaches required standard intensity
It is removed together with wall and roof plate template.
In conjunction with the actual conditions of this engineering, surface plate template is all made of integral installation；Aluminum alloy mould plate support system uses
Quick Release construction technology；The level course of template and its backing material conversion uses hand haulage.Its main sequence of construction is as follows: structure
Levelling → brush template interleaving agent → template unwrapping wire → installation, positioning → alignment → template installation → concrete are poured rear pattern plate dismounting → mould
Plate is transported to next bid section.
Template is stacked
(1) template should be neat according to number nested arrangement, in order to distinguish.
(2) it must assure that first piece of bottom template plate face when template stacks upward.
(3) component and fittings such as all pins, chock, wall mould connector and special tool(s) should be stored validly, In
Need using when distribute down again.
(4) tool type steel pipe column breakfast practice, aluminum alloy mould plate arrangement and method for construction must be through Deepen Design, Deepen Designs
Template typesetting figure should be drawn according to different room-sizeds, and template is numbered on the diagram；Detail treatment way is drawn, it is different
Pattern plate and privileged sites detail drawing.
(5) when initial installation template, on concrete surface on the inside of outer angle mould, to guarantee template installation alignment Loft Line.
All templates are installed since corner, and template can be made to keep lateral stability in this way.
(6) before installation template, it need to guarantee that all template contacts faces and edge part have carried out cleaning and oiling.When corner is steady
Fixed and interior angle mould continues to install whole face wall mould after positioning by Loft Line.In order to remove conveniently, pin when wall mould is connect with interior angle mould
Head should be as far as possible inside interior angle mould.
5th step, unwrapping wire
(1) wall side mode printed line control errors should be put in parallel again within 1mm from 150mm on the outside of template line in the same direction
One control line.
(2) Loft Line should pass through at least 150mm such as opening, external corner, convenient for correct position of the control template before casting.
(3) reference point and layout point are critically important, directly affect wall body vertical degree, it is forbidden to move or damage.
Flat-die periphery template levelness, position correction work are measured by observation deviation and with tool；
If flat-die periphery toe riser needs to adjust absolute altitude, unscrew fastening bolt counterclockwise, adjusts it to behind required position
Bolt is tightened again；
After installing vertical formwork, the verticality of formpiston and the control deviation that takes measures are checked immediately；
Other than the absolute altitude of flat-die periphery toe riser, template correction metope can be pulled to hang down with screw jack and iron chains
Straight degree.Degree of gravity vertical forwall surface can also be controlled with adjustable supports.
(4) it is checked before template installation
When starting installation template, spacer bar is checked whether in Loft Line, it is ensured that template installation alignment Loft Line；
All templates are installed since corner, and template is made to keep lateral stability；
Before installation template, guarantee that all template contacts faces and edge part have carried out cleaning and oiling；
Corner continues to install whole face wall mould after positioning with interior angle mould by Loft Line after stablizing.In order to remove conveniently, wall mould with
The head of pin should be as far as possible inside interior angle mould when interior angle mould connects；
Before closing bilateral template, casing need to be preset on wall mould connector, while to guarantee casing and wall both sides
Template face contact position is accurate, to withdraw Screw arbor with nut at both-ends after being poured；
When there is deviation in exterior wall, it is necessary to adjusted as early as possible to correct position, outer wall mould slightly need to incline in a plane
Tiltedly, it if there is vertical missing occurs for both direction, then to adjust two layers or more, one layer of adjustment, one direction；
At wall mould top corners, fixed plumb bob upper end, plumb bob is freely fallen, and plumb bob tip is aligned flooring degree control
Line.If any deviation, by adjusting diagonal brace, until plumb bob tip and reference control line coincidence.
(5) template is installed
Before wall top side mode and top plate angle mould are installed, the coating release agent at component and concrete surface；
When wall top side mode and corner mould are connect with wall form, it is de- with pin during preventing from pouring to be inserted from above pin
It falls, installs wall top side mode, can start that template die is installed in corner, guarantee contact edge coating release agent；
Keel are used to support template die, in most cases, should be by template die layout drawing assembling keel；
Supporting steel pipe is mounted in preparatory mounted keel component towards keel direction, when removing supporting steel pipe, this can
Protect its bottom；
Keel are promoted to appropriate location with supporting steel pipe.It, will be imperial with pin by the mounted template die end in corner
Bone is connected with template die；
It often ranked first block template to connect with wall top side mode.Second piece of template need to be connected with first piece of template die, and (two sets of pins connect
It connects).Second piece of template, which is not connected with keel, has enough adjusting ranges, third when being the third block template in order to place same row
After block template and second piece of template connection are upper, second piece of template is fixed on keel.Remaining template is installed with same method；
Multiple rows of, the completion oiling work in top plate die face before laying reinforcing bar is installed simultaneously；
After mounting of roof plate is completed, the absolute altitude in whole template faces should be checked, then can be rotated supporting steel pipe if necessary to adjustment
Adjust aluminum dipping form keel aluminium beam and plate, top plate levelness；
Close template before, three-section type water-stopping pull rod need to be installed in advance on wall mould connector, at the same to guarantee pull rod with
Two cheek board face contact position of wall is accurate, can withdraw to be poured after concrete to drawing screw.
6th step, surveying setting-out
(1) it puts and sets axis, wall column sideline, wall column control line, put after the completion of setting, it is whether accurate that unwrapping wire position need to be checked；
(2) drawing ground wire error cannot be more than 2mm, strict control ground linear dimension；
(3) wall side mode printed line control errors should be put in parallel again within 1mm from 150mm on the outside of template line in the same direction
One control line；Control line is away from wall column side 300mm；
(4) for the first time after unwrapping wire, whether the axis and wall line of Ying Fuhe unwrapping wire personnel projection are correct；Estimate wall reinforcing bar
And whether reserved protective layer in wall line, off-limits reinforcing bar should be handled at once；
(6) using level measurement template top mark height whether in control range, when being more than within the scope of designed elevation 10mm
(inside wall body improves 10mm when design), need to do corresponding leveling；
(7) Loft Line should pass through at least 150mm such as opening, external corner, convenient for correct position of the control template before casting；
(8) reference point and layout point directly affect wall body vertical degree, it is forbidden to move or damage；
7th step, mounting base and leads wall aluminum alloy pattern plate
(1) it bottom plate and leads wall reinforcement installation and finishes and after acceptance(check), the longitudinal pitch every screw rod position through walls on reinforcing bar
It sets, the inner support of horizontal spacing every screw position setting and wall same widths through walls is strict with the upper and lower water in inner support surface
Flat, at right angle, which directly affects the flatness of metope, verticality, special messenger is answered to check for left and right direction and wall line.
(2) when initial installation template, positioning brick nails on concrete surface on the inside of outer angle mould, to guarantee mould
Plate installation alignment Loft Line.
(3) all templates are installed since corner, and template can be made to keep lateral stability in this way.One piece of corner template is just
Enough lateral supports can be provided to very long wall mould.
(2) it is clean that removing surface is carried out before the installation of wallboard 12, smears suitable release agent.
(3) according to wall normal control wire, since the sealing plate of end, wallboard 12 is installed on both sides piece by piece simultaneously.
(4) wall sealing up screw position is encountered in installation process, needs screw rod both ends passing through corresponding template hole location.
(5) before closing piping lane inside wall formwork 5, casing need to be preset on wall mould connector, while to guarantee casing
It is accurate with two cheek board face contact position of wall, so that common split bolt can be withdrawn after being poured.Outer wall template 6 passes through three-stage
Water-stopping tie bolt carries out thickness of wall body control.
(6) wallboard template after the installation is completed, need to be fixed with temporary support, then install the reinforcing of both sides back cord, be tightened to drawing spiral shell
Bar.The nut screwing force of Screw arbor with nut at both-ends should be appropriate, to guarantee wall thickness.
(7) at wall mould top corners, fixed plumb bob is freely fallen, and plumb bob tip is aligned flooring degree control line.Such as
There is deviation, be adjusted by adjusting diagonal brace, until plumb bob tip and reference control line coincidence.
8th step installs piping lane roof plate template keel
(1) it in ground spliced flooring keel, is fixed on wall form by corner mould, and load onto bracing members, straightening leveling.
(2) keel, 2 sub-assembly of branch fastener are connected to two adjacent plate supporting beams with 135mm long pin with two ribs.
(2) after checking that all sites plumb bob all points to wall vertical reference line, start that plate keel is installed.
(3) keel installation relationship platen surface is smooth, disposable during installation to mix up level with single support top.
(4) our unit's surface plate diagonal line is proofreaded.
Piping lane roof plate template and leveling are installed
(1) after the diagonal ray examination of plane is errorless, start mounting plane template, in order to quick for installation, plane template is parallel
It discharges, is first fixed temporarily with pin piece by piece, finally unify urgent pin.
(2) keel are promoted to appropriate location with bracing members.By in the mounted template die end in corner, with pin by beam
It is connected with template die.
(3) guarantee that the foreboard supporting beam frame of installation has been painted with release agent.
(4) it often ranked first block template to connect with wall top side mode and supporting beam.Second piece of template only need to be with first piece of template die
It is connected.Second piece of template, which is not connected with keel, has enough adjusting ranges when being the third block template in order to place same row,
After third block template and second piece of template connection are upper, second piece of template is fixed on keel.This is placed with same method
Arrange remaining template.
(5) multiple rows of top plate can be installed simultaneously, be laid with before reinforcing bar in top plate die face and complete release agent brushing work.
(6) after mounting of roof plate is completed, the absolute altitude in whole template faces should be checked, it then can be at bracing members bottom if necessary to adjustment
Portion's cushioning block adjusts levelness.
(7) each unit template is whole after the installation is completed, and application level instrument measures its flatness and this layer of installed height mark, such as
There is deviation to be corrected by the adjustable support of template system, until reaching overall leveling and corresponding absolute altitude.
9th step, casting concrete
Item should be checked before pouring
(1) all templates should clean and be coated with qualified release agent.
(2) ensure that wall form is installed by Loft Line.
(3) check whether whole opening sizes correctly have no torsional deformation.
(4) check that whole horizontal shutterings (backform and beam bottom board) are horizontal.
(5) guarantee board bottom and beam bottom bracing members are vertical, and bracing members do not have the loosening in vertical direction.
(6) check whether the back cord and bearing diagonal of wall mould and column mould are correct.
(7) it checks and in situ and secured is kept to drawing screw, pin, selling sheet.
(8) surplus material and other objects are cleaned out pouring area.
(9) ensure to hang workbench support frame to be reliably fixed on concrete structure.
Points for attention during pouring
(1) at least there are two operative employees to stand ready during concrete casting and check pin in the wall both sides being poured
Nail, selling sheet and the connection to drawing screw.
(2) pin, selling sheet or to draw screw landing will lead to the displacement of template and the damage of template, influenced by these
Region needs to repair after form removal.
(3) middle position concreting Shi Yingcong spreads pour around, prevents template from generating integral shift.
(4) all walls need to be layered, and every layer height is no more than 500mm, from bottom to up placement layer by layer, and smash uniformly.Concrete
Piling height controlling value 100mm.
(5) since vibration causes pin, selling sheet to fall off.
(6) cause the decline sliding of keel, 2 adjacent area of branch fastener due to vibrating.Guarantee the support of special area whole
Intact, especially wall mould, column mould and its support cannot shift.
(1) vibration may lead lifting pin pin piece and fall off, so every piece of template pin selling sheet must be installed strictly as required,
It cannot omit, and to sell from top to bottom.
(2) vibration may cause the decline sliding of 2 adjacent area of backform branch fastener, so the water of each tool-type bracing members
Flat cross bar cannot be omitted, and check whether each tool-type bracing members two sections are tightened, and cannot have loosening.
(3) operative employee must have following tool (on hand): pin selling sheet, adjustable support, cement nail, carpenter's saw and
Hand hammer, some short battens for doing attached lip block.
Tenth step pours completion and checks and accepts
It should be wanted by GB50204 2002 " concrete structure engineering construction quality accident specification " after concrete casting complete
It asks, inspects for acceptance
11st step, mold are removed
Remove wall form
Striking time is determined according to the concrete condition of engineering project, and (weather is normal) can be torn open after 24 hours under normal circumstances
Except wall mould (special remarks meaning: dismounting will cause concrete and be sticked on aluminum alloy pattern plate too early, influence metope quality).
(2) guarantee that following part has been removed before removing wall form: chock, stull, back of all nails on concrete slab
Pin and chock stupefied, in template will pay special attention to safety problem when external and hollow region removes pin and chock.In addition
If paying little attention to collection material in the demoulding phase, a large amount of pin and chock may be lost.
(3) wall form should should first extract water-stop opposite-pulling screw rod since the top of a wall before demoulding.
(4) cleaning is carried out after all components remove immediately.The first piece of template removed is because with other adjacent
Template has the more difficult dismounting of connection, and remaining template has such as cleaned before using and oiling, will be easy to tear open using the dedicated pull rod of demoulding
Except adjacent forms.
(5) time that Screw arbor with nut at both-ends is removed from wall should be as early as possible, reduces damage,
(6) when template being transferred to another place, mark and rational stacking is carried out in place appropriate, facilitates next wall
The installation of template and it can prevent work from causing confusion.Operator will will hold, adopt with good safety belt, object when removing exterior wall
With one group of two people, coordinating operation prevents falling object from high altitude.
Remove backform
Remove points for attention when backform: when top template is removed, each every piece of template all needs employment first to hold template,
Pin is being removed, template should handle with care toward when decentralization, forbid that directly template is fallen.
(1) the dismounting time sets according to the concrete condition of each engineering project, but less than 36 hours cannot remove top
Template.
(2) when first piece of template of each unit is laid in wall top side mode supporting mouth, adjacent mold plate is first removed, then
Pin and chock are removed from the template for needing to remove, and adjacent forms are separated using extraction tool.Template is from a wall
It is cross over the place of another wall, first to remove the wall top side mode of support edge.Backform is longer than wall mould and concrete time of contact, pours
Cleaning and oiling work must be carried out before building, otherwise backform is not easy to disengage.The template removed should be cleaned immediately
Work.Dismounting sequence is well placed by erection sequence.
(3) piping lane roof plate template is removed:
The dismounting time sets according to the concrete condition of each engineering project, can remove top plate after ordinary circumstance 48 hours
Template；
Plate form removable does not need to set up Job Operations frame, and worker slams Special ladder when dismounting, first removes 132mm pin
With the beam form connecting rod on the plate-girder where it.Followed by remove the pin and chock of floor and adjacent top plate.Then it can tear open
Removing template.
In demolishing process must two people work in coordination coordination, a people removes pin, and a people is withstood with steel pipe, in order to avoid fall wound
People, after removing pin, a people connects under in upper form removal, another people and passs template.
Two person cooperative works are at least wanted when removing template die plate, first piece of template of each column is laid on wall top side mode supporting mouth
When upper, adjacent mold plate was first removed, pin and chock are then removed from the template for needing to remove, is had using draft adjacent mould
Plate separates.First to remove the wall top side mode of support lip.The pin and chock for removing the component of mark can only be removed.
When removing Roofing slab, forbid the rod piece for touching support system, forbids to return back to top again after removing supporting rod.
Clean, transport and stack template
(1) dirt is removed with scraper and wire brush immediately after all components remove.Wire brush is only used for template side
The cleaning of frame.
(2) it is longer to delay cleaning time, cleans more difficult.Cleaning must be carried out immediately in the place of dismounting.
Transmit template
Scene is according to concrete condition, by nearest, unified principle, after waiting cabins inner support horizon bar to remove with transport carriage to
Next bid section transmitting template and correlative:
Template is stacked
The template removed is transported to after next installation point, overlays reasonable place in order.Classification reasonably heap
Template is put, does and facilitates next layer of template installation, prevent template chaotic.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (6)
1. a kind of cast-in-place aluminium film construction method of underground pipe gallery, including the unwrapping wire before construction, it is characterised in that: carry out wall after unwrapping wire
The installation of body aluminum alloy pattern plate carries out demoulding after wall pours,
The installation of wall aluminum alloy pattern plate, the first step, bottom plate and after leading wall reinforcement installation, between reinforcing bar and every screw rod through walls
Horizontal spacing and longitudinal pitch between position be respectively arranged with inner support, the inner support and accomplish wide with body of wall, and the upper following table of inner support
Face is horizontal, left and right direction and wall line at right angle,
Second step, when initially installing wall aluminum alloy pattern plate, positioning brick nails on concrete surface and hammers into outer angle mould
Side, to guarantee wall aluminum alloy pattern plate installation alignment Loft Line,
Third step, according to wall normal control wire, since the sealing plate of end, wall aluminum alloy pattern plate is installed on both sides piece by piece simultaneously,
4th step need to pre-install casing, while to guarantee to cover before closing piping lane inside wall formwork on wall aluminum alloy pattern plate connector
Pipe and wall both sides wall aluminum alloy pattern plate face contact position are accurate, to withdraw split bolt, the wall aluminum dipping form of exterior wall after being poured
Plate carries out thickness of wall body control by Three-section water stop split bolt,
5th step, wall aluminum alloy pattern plate after the installation is completed, need to be fixed with temporary support, then install the reinforcing of both sides back cord, be tightened to drawing
Screw rod, when Screw arbor with nut at both-ends is tightened, the thickness of wall becomes smaller, and when Screw arbor with nut at both-ends is unscrewed, the thickness of wall becomes larger.
6th step, at wall aluminum alloy pattern plate top corners, fixed plumb bob is freely fallen, and plumb bob tip is aligned flooring degree control
Line is adjusted if any deviation by adjusting diagonal brace, until plumb bob tip and reference control line coincidence.
2. the cast-in-place aluminium film construction method of a kind of underground pipe gallery according to claim 1, it is characterised in that: all templates are all
It is installed since corner, it is clean to carry out removing surface before wallboard installation, smears suitable release agent.
3. the cast-in-place aluminium film construction method of a kind of underground pipe gallery according to claim 1, it is characterised in that: in the wall form
Wall sealing up screw position is encountered in installation process, needs screw rod both ends passing through corresponding template hole location.
4. the cast-in-place aluminium film construction method of a kind of underground pipe gallery according to claim 1, it is characterised in that: the sealing is to drawing
The spacing of screw rod in the horizontal direction is not more than 1000mm, and longitudinal pitch is not more than 550mm.
5. the cast-in-place aluminium film construction method of a kind of underground pipe gallery according to claim 1, it is characterised in that: in the wall aluminium
Release agent is coated in template.
6. the cast-in-place aluminium film construction method of a kind of underground pipe gallery according to claim 1, it is characterised in that: in work progress
In, the upper wall aluminum alloy pattern plate positioned at two sides wall is wall form, and the wall aluminum alloy pattern plate on the outer wall of piping lane top is top
Mould, the template on the inner wall of piping lane top is piping lane roof plate template, and the demoulding includes dismounting and the backform of wall form
It removes, wall form is removed by the top of a wall position, and after wall pours, the use duration of wall form is at least kept 24 hours,
The use duration of backform is at least kept 36 hours, and the use duration of piping lane roof plate template is at least kept 48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838647.4A CN110528577A (en) | 2019-09-05 | 2019-09-05 | A kind of cast-in-place aluminium film construction method of underground pipe gallery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910838647.4A CN110528577A (en) | 2019-09-05 | 2019-09-05 | A kind of cast-in-place aluminium film construction method of underground pipe gallery |
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| CN110528577A true CN110528577A (en) | 2019-12-03 |
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| CN201910838647.4A Pending CN110528577A (en) | 2019-09-05 | 2019-09-05 | A kind of cast-in-place aluminium film construction method of underground pipe gallery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663793A (en) * | 2020-05-29 | 2020-09-15 | 晟通科技集团有限公司 | Ruler expanding and paying-off method |
| CN114961255A (en) * | 2022-06-16 | 2022-08-30 | 广东省第四建筑工程有限公司 | Construction method of cast-in-place concrete accelerator machine room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206538787U (en) * | 2017-01-24 | 2017-10-03 | 中国建筑第二工程局有限公司 | Early-dismantling assembly type pipe gallery aluminum mould trolley system for integrally pouring wall and top plate |
| CN107740440A (en) * | 2017-10-12 | 2018-02-27 | 潍坊市市政工程股份有限公司 | A kind of pipe gallery aluminum alloy mould plate support system and its construction method |
| CN108374434A (en) * | 2018-05-07 | 2018-08-07 | 北京市政建设集团有限责任公司 | A kind of quick pacify of piping lane monoblock type tears aluminium alloy mould bases support construction construction method open |
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2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206538787U (en) * | 2017-01-24 | 2017-10-03 | 中国建筑第二工程局有限公司 | Early-dismantling assembly type pipe gallery aluminum mould trolley system for integrally pouring wall and top plate |
| CN107740440A (en) * | 2017-10-12 | 2018-02-27 | 潍坊市市政工程股份有限公司 | A kind of pipe gallery aluminum alloy mould plate support system and its construction method |
| CN108374434A (en) * | 2018-05-07 | 2018-08-07 | 北京市政建设集团有限责任公司 | A kind of quick pacify of piping lane monoblock type tears aluminium alloy mould bases support construction construction method open |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663793A (en) * | 2020-05-29 | 2020-09-15 | 晟通科技集团有限公司 | Ruler expanding and paying-off method |
| CN114961255A (en) * | 2022-06-16 | 2022-08-30 | 广东省第四建筑工程有限公司 | Construction method of cast-in-place concrete accelerator machine room |
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Application publication date: 20191203 |
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