CN107130631A - A kind of basement Retaining wall method based on concreting moulding wall - Google Patents
A kind of basement Retaining wall method based on concreting moulding wall Download PDFInfo
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- CN107130631A CN107130631A CN201710364628.3A CN201710364628A CN107130631A CN 107130631 A CN107130631 A CN 107130631A CN 201710364628 A CN201710364628 A CN 201710364628A CN 107130631 A CN107130631 A CN 107130631A
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- steel
- wall
- barricade
- basement
- moulding
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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
- E02D29/02—Retaining or protecting walls
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
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- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Revetment (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of basement Retaining wall method based on concreting moulding wall, moulding wall is first set in basement foundation ditch crater wall, waterproof coiled material construction is carried out in moulding wall outer surface again and obtain barricade waterproof layer, complete basement barricade by moulding wall and barricade waterproof layer formation basement barricade outside-supporting and pour.Moulding wall is obtained characterized in that, inserting support of the welding screw mandrel realization to moulding wall form by the support pile on the outside of foundation ditch crater wall and pouring.The present invention has that construction is simple, and short time limit, expense is low, the advantages of good water-proof effect, is practiced in the construction foundation working for being particularly suitable for the deeper skyscraper of foundation ditch.
Description
Technical field
The invention belongs to building foundation engineering construction field, and in particular to a kind of underground based on concreting moulding wall
Room Retaining wall method.
Background technology
With expanding economy and the sustainable growth of population, land resource increasingly seems urgent.University is promoted from religion
Educating land used is commercialized land used transition to half Educational Return land used half, therewith it is adjoint be substantial amounts of comprehensive commercial mansion such as rain after
Emitted as spring bamboo out.But commercial mansion will not only meet the land for teaching requirement of school, and to meet business
The benefit requirement of profit, so commercial mansion addressing typically can be all selected in close city road side, so as to largely increase
The difficulty of construction, and Deep Foundation Pit construction is more intended to excavate without fertile groove.
Building foundation pit refers to that the outer foundation ditch inwall of building basement exterior wall does not scrape out slope without fertile groove excavation construction method,
And in vertical state so that the narrow building foundation pit construction method of the operating space ratio of outer wall of basement and foundation ditch crater wall.
Traditional basement barricade waterproof construction, first realizes basement barricade（That is outer wall of basement）Formwork is poured, and waits gear
After wall maintenance shaping, asphalt water-proof coiled material is pasted on the outside of barricade, then layer protective layer is set again, construction foundation working is complete
Backfilled again after finishing, complete whole construction.But thus excavate caused basement barricade and foundation pit supporting system distance without fertile groove
Cross near, it is more difficult that barricade outboard template is installed, waterproof coiled material construction no operatton face is difficult to construct, to need a kind of new construction
Technique solves problems.
In order to solve the above problems, applicant considers to devise a kind of first setting moulding wall in basement foundation ditch crater wall,
Then rely on moulding wall first to set the mode for pouring barricade after waterproof layer again to complete barricade waterproof construction again, improve waterproof construction
Convenience and reliability.But wherein how the construction technology is specifically set, facilitating the construction of moulding wall, preferably improving waterproof
The convenience and reliability of construction, as need further consider solve the problem of.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How a kind of construction letter is provided
Single, short time limit, expense is low, the basement Retaining wall method based on concreting moulding wall of good water-proof effect, especially fits
Practiced in the construction foundation working for closing the deeper skyscraper of foundation ditch.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of basement Retaining wall method based on concreting moulding wall, it is characterised in that first in basement foundation ditch hole
Moulding wall is set on wall, and moulding wall outer surface is corresponding with basement barricade outer surface design shape consistent and leaves for setting
The interval of barricade waterproof layer, then barricade waterproof layer is obtained in moulding wall outer surface progress waterproof coiled material construction, by moulding wall
With barricade waterproof layer formation basement barricade outside-supporting, single side formwork on the inside of basement barricade reinforcing bar colligation and barricade is carried out,
Basement barricade is completed to pour.
So, first realize that waterproof coiled material construction obtains barricade waterproof in moulding wall outer surface using after setting moulding wall
Layer, barricade waterproof layer is general to be obtained by waterproof roll layer and mortar levelling layer, moulding wall and barricade waterproof layer is then relied on again, directly
Connect single side formwork and realize that basement barricade is poured, thus drastically increase the convenience and reliability of construction of waterproof layer, have
Have that construction is simple, short time limit, expense is low, the characteristics of good water-proof effect.
Wherein, the method that moulding wall uses formwork to pour moulding concrete is set in basement foundation ditch crater wall, specifically included
Following steps：
A, in advance foundation ditch crater wall elevationally outward bury support pile；
B, surveying setting-out, determine the welding screw mandrel set location of model sheetinstallat position and bar planting；
C, bar planting, the soil layer plane by support pile in face of foundation ditch side are opened, and are drilled on the side surface that support pile exposes, by welding wire
In the inner vertical implant holes of bar and it is welded and fixed, its outer end level is just stretched out to support pile fixation；
D, model sheetinstallat, template are vertically installed on correspondence welding screw mandrel perforation in model sheetinstallat position, template so that welding wire
Bar outer end passes through horizontal interval arrangement on the outside of template, template to be provided with multiple rows of vertical flitch back cord, and flitch back cord is elevationally outward
The steel back for being arranged at intervals with multigroup level is stupefied（Stupefied steel back can be channel-section steel back cord or steel pipe back cord）, every group of steel back be stupefied including two
Steel back arranged side by side is stupefied up and down and welding screw mandrel outer end sandwiched interfixes in the inner and by the stupefied fixed structure of steel back；Realization pair
Support positioning on the outside of template；Medial strut members are horizontally disposed between template medial surface and foundation pit walls again, are realized in template
The support positioning of side, completes model sheetinstallat；
E, the completion moulding wall concreting between template and foundation ditch crater wall；
Shaping is conserved after f, moulding wall concreting, form removal, excision welding screw mandrel is exposed to moulding wall concrete appearance
The part in face, smears cement mortar in the position of welding screw mandrel excision and covers smooth, you can carry out waterproof coiled material construction.
As optimization, in Step d, the stupefied fixed structure of steel back of use includes a stupefied hanging part of steel back, and the steel back is stupefied
There is a through hole passed through for welding screw mandrel, the stupefied hanging part upper and lower ends of steel back each have one to extension in the middle part of hanging part
The hitching arm stretched, mounting facies medialis brachii is arc for surrounding outside the stupefied locating surface for realizing mounting of steel back, the stupefied hanging part of steel back
The locking nut that the external screw thread of screw mandrel outer end coordinates is connected with and welded on the welding screw mandrel of side.Further, the locking screw
Mother is arranged side by side two, and the abutting that can mutually spin is realized locked.Further, the stupefied 10# channel-section steels of steel back, can be better ensured that
Supporting intensity and reliability.Further, welding screw mandrel obtained using the screw mandrels of Φ 16, can better ensure that supporting intensity with can
By property.Further, welding screw mandrel short transverse is arranged along spacing 400mm, can better ensure that supporting intensity and reliability.
As optimization, in Step d, the medial strut members are to pour obtained concrete in advance using moulding wall concrete
Post.
As optimization, in step e, moulding wall strength grade of concrete uses C20；When pouring, poured according to layer and section,
I.e. length direction is segmented, short transverse layering, every layer every section when pouring 1m~1.5m height, and pause pours and vibrates relief at the beginning of it
It is solidifying, continue to pour after 1h；Pouring and vibrating for adjacent segment is completed during this section of initial set of this layer, is repeated in, until pouring
To required height.The length of segmentation can be adjusted according to building length and casting concrete supply capacity correspondence.So,
Die table and reliability can be preferably protected, pouring quality is improved and saving pours the time.
The step of further also including carrying out foundation ditch inwall watering wetting before pouring, so that the concrete poured
It can preferably be combined with foundation ditch inwall, be difficult to cave in after form removal, improve the reliability of pouring quality and obtained moulding wall.
As optimization, in step e, concreting, concreting distributing are realized using concreting distributing system
System includes being located at the concrete tank car and Vehicle loaded pump on ground on the outside of foundation ditch, and the material distributing machine being arranged in foundation ditch, the discharging of concrete tank car
Mouth is connected with Vehicle loaded pump, and Vehicle loaded pump discharge pipe is connected by concrete conveyance conduit with the cloth pipeline in material distributing machine；Material distributing machine bag
Include the steel bracket being mounted vertically in foundation ditch and be arranged on the steel crossbearer of steel bracket upper end, one end of steel crossbearer with can horizontally rotating
To set the discharge end of cloth pipeline, cloth pipeline front end is connected with after the pumping rubber vomit pipe extended downwardly, cloth pipeline
End is arranged downwards along steel bracket and is connected with concrete conveyance conduit.
So, the concreting distributing system obtained using concrete tank car and Vehicle loaded pump and material distributing machine combination, with knot
Structure is simple, easy to assembly, advantage easy to set up with low cost, drastically increases and pours efficiency and pour simple operation.
Further, steel crossbearer is the Balance weight end for being provided with balancing weight away from the other end of discharge end, its discharge end distance
The length of steel bracket is more than Balance weight end distance steel stent length.So, more facilitate and keep steel bracket balance, improve smooth operation
Property.
Further, steel bracket lower end has horizontally outward extended bottom support frame, and bottom support frame periphery is set
Supporting leg straight down is equipped with, supporting leg lower end has lower section and base in the middle part of the cushion block being horizontally set in foundation ditch, bottom support frame
The first rubber tyre is provided between hole.So, installation and damping can be better ensured that, it is ensured that stability of strutting system, and avoided
Destruction of the material distributing machine to bottom of foundation ditch basic unit.
Yet further, support frame corner in bottom has the four horizontal extension legs horizontally outward set, and the supporting leg is set
Put below horizontal extension leg front end.So, the position of four each supporting legs can be adjusted as needed, it is installed steady, simultaneously
It can as needed be tried one's best during installation and outwards elongate Retractive leg, better ensure that stability of strutting system.
Further, concrete conveyance conduit is also padded provided with the second rubber tyre into the lower section of foundation ditch corner.So, second
Rubber tyre can preferably concrete conveyance conduit whereabouts intersegmental part delivering concrete when impact enter row buffering, preferably protection pipe
Road and corresponding bottom of foundation ditch base layer structure.
Further, steel crossbearer rear and front end each hangs downwards and is provided with adjustment drawstring.So, workman can be facilitated
Drawstring before and after pulling from below, carries out the adjustment to steel crossbearer left rotation and right rotation, simple in construction and easy to adjust quick, regulation is stable
Property is good.
Further, water-proof concrete can be configured to using waterproof material when concrete is configured in step e to be poured,
The barricade waterproof layer for obtaining itself and waterproof coiled material construction constitutes dual waterproof together, is greatly enhanced waterproof effect；Configuration is anti-
Water coagulation soil is realized using following water-proof concrete configuration device, including concrete tank car, in addition to an agitator, in agitator
A plastic water bag is provided with, plastic water bag upper end open edge is consistent with agitator upper port edge and is connected, plastic water bag
Length after extension is equal to or higher than agitator depth, and stirring bottom of the barrel, which is located at below plastic water bag, is provided with electronic weigher,
Electronic weigher has a horizontally disposed face and this weighs face in the middle part of the agitator, agitator of weighing for being located at the top
Upper end side is also outwards provided with and communicated with water inlet pipe, and water inlet pipe the inner is sealingly connected to inside plastic water bag, is installed on water inlet pipe
There is water inlet switch valve, agitator lower end side is also outwards provided with and communicated with outlet pipe, and outlet pipe the inner is sealingly connected to plastics water
Bag is internal, is provided with effluent switch valve and water pump on outlet pipe, outlet pipe water side is connected to the entrance of agitator tank on concrete tank car.
So, in use, effluent switch valve can be closed first, water inlet switch valve is opened, by water inlet pipe to plastic water bag
Interior water inlet, measures by electronic weigher and water inlet switch valve is closed after the water for entering fixed mass, then adds correspondence ratio
PNC waterproof materials are in plastic water bag, after stirring, then open effluent switch valve and water pump and uniformly will be mixed with PNC waterproofs
The water of material is directly pumped into agitator tank, is added concrete formulation and is stirred.So, first realize that PNC prevents by agitator
Be added directly into after the stirring and evenly mixing of water material in concrete drums, it is ensured that in concrete PNC waterproof materials be mixed into it is equal
Even property, and promptness, the time conditions matching for using itself and waterproof material itself, it is ensured that good waterproof effect.
As optimization, in addition to self- poking arrangement, self- poking arrangement includes a tripod, and tripod includes circumferential
Upper equally distributed three foot levers, foot lever the inner is fixedly connected with a motor, foot lever length and the matching of agitator radius and foot lever
Outer end under being it is curved be used for and the clamping of agitator edge bending, motor output end be connected with one extend straight down stir
Axle is mixed, agitating shaft lower end extends to agitator middle and lower part position and the lower end is provided with stirring vane.
So, stirring barrel edge can be fixed on by tripod foot lever so that stirring vane is deep into agitator
Inside, drives stirring vane to realize stirring to waterproof material by motor, more convenient and do not improve mixing effect again not
Influence weight calculation is weighed.
Be additionally provided with one piece of intermediate plate as optimization, between electronic weigher and plastic water bag, intermediate plate it is horizontally disposed and
Shape is consistent with agitator lumenal cross-section, leaves and can be slided up and down for intermediate plate between intermediate plate edge and stirring barrel cavity
Gap, intermediate plate upper surface is directly and plastic water bag is affixed settings, and intermediate plate lower surface middle part is weighed with electronic weigher
Face is affixed setting.It can so be improved and claim preferably by the weight transmitting of plastic water bag to electronic weigher by intermediate plate
Weight accuracy.Further, intermediate plate lower surface is provided with one layer of elastic rubber material, so can preferably and electronics
The face of weighing of weighing apparatus fits, and it is weighed accurately.
As optimization, electronic weigher has a display screen for being located at side, display screen just to agitator side on
It is provided with watch window.So, beneficial to reading.
As optimization, carry out using sizing truss mould plate support system to realize on the inside of barricade after basement barricade reinforcing bar colligation
Single side formwork,
The sizing truss mould plate support system includes horizontal interval on the outside of vertically arranged barricade template, barricade template and is disposed with
Some vertical back cords, arranged for interval has some horizontal back cords to vertical back cord elevationally outward, and horizontal back cord outside is horizontally spaced about
There are some sizing truss, the overall at right angles triangle of a sizing truss and right-angle side is mutually leaned on foundation ditch ground, another right angle
Side is mutually leaned on horizontal back cord, in addition to some single wire drawing bars, and single wire drawing bar is horizontally disposed and the inner is weldingly fixed on barricade template
In the barricade bar-mat reinforcement that inner side has been bundled, outer end, which is fixed, to be socketed on sizing truss.
So, using sizing truss as barricade template outside-supporting, sizing truss is prefabricated triangular framing knot
Structure, the compression to back cord is realized by single wire drawing bar, and then compresses support shuttering, therefore can be realized Fast Installation and be ensured to mould
The stability of strutting system of plate.
As optimization, the vertical back cord is that bag batten is obtained in vertically arranged several shaped steels, batten side face
Pair and be fitted in barricade template outer surface.
So, on the inside of vertical back cord batten and barricade template outer surface can preferably fit power transmission, improve stable
Property, the transmission that several shaped steels in outside and horizontal back cord contact can preferably bear support force improves reliability.
Further, to be that the channel-section steel being arranged in pairs connects obtained double flute steel back along its length stupefied for horizontal back cord, in pairs
The channel-section steel length direction junction of setting is provided with a bloom being adjacent between two pairs of channel-section steels being mutually connected, and is worn by steel pin
The connecting hole crossed on channel-section steel and bloom realizes connection；Bloom thickness is more than single wire drawing shank diameter, and single wire drawing bar is arranged in double flute steel
Between the paired channel-section steel of back cord.So, the intensity of horizontal back cord can be better ensured that, and conveniently improves single wire drawing bar connection
The reliability of stability and force.
Further, single wire drawing bar outer end is fixed by truss fixed structure sockets on sizing truss, truss fixed knot
Structure includes in the middle part of a round steel hanging part, round steel hanging part having on a through hole passed through for single wire drawing bar, round steel hanging part
Lower two ends each have a hitching arm stretched out, and mounting facies medialis brachii is socketed a purlin for arc and respective stress
Frame is socketed is arranged on each sizing truss and transmits single wire drawing bar to sizing purlin with round steel, truss sockets to be extended transversely through with round steel
The locking screw coordinated with the external screw thread of single wire drawing bar outer end is connected with single wire drawing bar on the outside of the pulling force of frame, round steel hanging part
It is female.Further, the locking nut is arranged side by side two, and the abutting that can mutually spin is realized locked.
So, the quick connection of convenient single wire drawing bar and sizing truss is installed and stable force, and truss is socketed with round steel also
It can to constitute the entirety of common stress between each sizing truss, preferably improve stability.
As optimization, the sizing truss is surrounded right-angled trapezium integrally in a rectangular trapezoid by steel bar including underlying
Underframe, is connected to above right-angled trapezium underframe and surrounds framework, right angled triangle on overall at right angles triangle by steel bar
The vertical edge on the inside of vertical edge and right-angled trapezium underframe on the inside of upper framework is located on same perpendicular, right angled triangle outside framework
Hypotenuse on the outside of the hypotenuse and right-angled trapezium underframe of side is located at same oblique plane；Right-angled trapezium underframe upper surface institute is in place
It is fixedly connected after the steel bar laminating of the steel bar put and frame lower surface position on right angled triangle using bolt.
So, sizing truss is obtained using two framework splicings, can more be facilitated the decomposition transport of sizing truss and be spelled
Installation is connect, and it is quick and easy for installation.
Further, the steel bar upper end of framework vertical edge position upwardly extends to form stage+module on right angled triangle
The platform framework that rectangular triangle is surrounded by steel bar to being externally connected with the outside of portion, stage+module portion, platform framework
Upper surface is horizontally disposed steel bar and people's row platform is constituted after supporting plate for laying.So, people's row can be more facilitated to put down
Platform sets up installation, carries out on people's row platform beneficial to workman and the operation such as pours.
Further, platform framework outer end is fixed up being connected with Terrace prevention bar.So, can when setting up
Safety net is set to be drawn by Terrace prevention bar, with the safety of guarantor's row platform.
Further, reinforcement steel bar arranged in a crossed manner is also fixedly connected with inside right-angled trapezium underframe.Further carry
The steadiness of high right-angled trapezium underframe.
Further, lower portion is additionally provided with the reinforcement use that two ends are fixedly connected between each bar side on right angled triangle
Steel bar.Further improve the steadiness of framework on right angled triangle.
Further, steel bar upper position where framework hypotenuse is additionally provided with hanger on right angled triangle, when so installing
The docking that right angled triangle upper ledge and right-angled trapezium underframe can be first completed under foundation ditch ground level state is fixed, Ran Houzai
The pull-up of sizing truss is completed to install in vertical state by hanger lifting, the convenience of in-site installation construction is improved.
Further, on right-angled trapezium underframe and right angled triangle the respective hypotenuse of framework the fixed outwards connection in outside
There is one section of support shaped steel, support shaped steel is used to shelve the connection that horizontal truss joint steel pipe realizes each sizing truss.So, may be used
Each sizing truss is connected to become a common stress entirety to facilitate, it is ensured that the stability and reliability of single side formwork.
Further, also there is the lower margin spiral shell that upward insertion is set at the steel bar outer end where right-angled trapezium underframe base
Bolt connecting hole, foundation bolt connecting hole is used for and the vertical pre-buried foundation bolt in foundation ditch ground is connected.It is achieved in that sizing
Positioning and fixation on the outside of during truss installa-tion, improve install convenient and ensure that supporting ＆ stablizing is reliable.
Further, it is additionally provided with anchor pole contiguous block, anchor pole contiguous block and sets at the interior angle of right-angled trapezium underframe base
There is the also oblique outer lower side in steel bar lower end on the inside of anchor pole connecting hole, right-angled trapezium underframe where vertical edge to be provided through anchor pole to wear
Hole, anchor perforation is just set to anchor pole connecting hole and for supplying the oblique pre-buried embedded anchor bar in foundation ditch ground is fixed after running through to socket
On anchor pole contiguous block.
So, it is convenient install after provide oblique pulling force by embedded anchor bar, better ensure that the one side support of sizing truss by
Dynamic balance, further improves the stability and reliability of support.
After basement barricade pours and conserves and finish, sizing truss and barricade template are removed, it is the single wire drawing bar of excision, pre-buried
Foundation bolt and the unnecessary exposed part of embedded anchor bar, complete basement Retaining wall.
In summary, the present invention has that construction is simple, and short time limit, expense is low, the advantages of good water-proof effect, is particularly suitable for base
Practiced in the construction foundation working of the deeper skyscraper in hole.
Brief description of the drawings
During Fig. 1 is embodiment, moulding wall is set to pour moulding concrete using formwork in basement foundation ditch crater wall
The obtained moulding wall formwork erecting structure schematic diagram of method.
Fig. 2 is Fig. 1 top view.
During Fig. 3 is embodiment, the structure schematic diagram of the concreting distributing system of use.
Fig. 4 be Fig. 3 concreting distributing system in individually material distributing machine amplification after structural representation.
Fig. 5 be Fig. 3 concreting distributing system in unillustrated concrete configuration device structural representation.
During Fig. 6 is embodiment, the structural representation sketch of the sizing truss mould plate support system of use.
Fig. 7 is the stupefied junction partial structurtes of double flute steel back in horizontal back cord in Fig. 6 on the outside of barricade template, after component is decomposed
Dimensional structure diagram.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail.
Embodiment：
A kind of basement Retaining wall method based on concreting moulding wall, wherein, first set in basement foundation ditch crater wall
Moulding wall is put, moulding wall outer surface is corresponding with basement barricade outer surface design shape consistent and leaves for setting barricade to prevent
The interval of water layer, then barricade waterproof layer is obtained in moulding wall outer surface progress waterproof coiled material construction, by moulding wall and barricade
Waterproof layer formation basement barricade outside-supporting, carries out single side formwork on the inside of basement barricade reinforcing bar colligation and barricade, completes ground
Lower room barricade is poured.
So, first realize that waterproof coiled material construction obtains barricade waterproof in moulding wall outer surface using after setting moulding wall
Layer, barricade waterproof layer is general to be obtained by waterproof roll layer and mortar levelling layer, moulding wall and barricade waterproof layer is then relied on again, directly
Connect single side formwork and realize that basement barricade is poured, thus drastically increase the convenience and reliability of construction of waterproof layer, have
Have that construction is simple, short time limit, expense is low, the characteristics of good water-proof effect.
When it is implemented, setting the method that moulding wall uses formwork to pour moulding concrete, tool in basement foundation ditch crater wall
Body comprises the following steps：
A, in advance foundation ditch crater wall elevationally outward bury support pile；
B, surveying setting-out, determine the welding screw mandrel set location of model sheetinstallat position and bar planting；
C, bar planting, the soil layer plane by support pile in face of foundation ditch side are opened, and are drilled on the side surface that support pile exposes, by welding wire
In the inner vertical implant holes of bar and it is welded and fixed, its outer end level is just stretched out to support pile fixation；
D, model sheetinstallat, template are vertically installed on correspondence welding screw mandrel perforation in model sheetinstallat position, template so that welding wire
Bar outer end passes through horizontal interval arrangement on the outside of template, template to be provided with multiple rows of vertical flitch back cord, and flitch back cord is elevationally outward
The steel back for being arranged at intervals with multigroup level is stupefied（Stupefied steel back can be channel-section steel back cord or steel pipe back cord）, every group of steel back be stupefied including two
Steel back arranged side by side is stupefied up and down and welding screw mandrel outer end sandwiched interfixes in the inner and by the stupefied fixed structure of steel back；Realization pair
Support positioning on the outside of template；Medial strut members are horizontally disposed between template medial surface and foundation pit walls again, are realized in template
The support positioning of side, completes model sheetinstallat；
E, the completion moulding wall concreting between template and foundation ditch crater wall；
Shaping is conserved after f, moulding wall concreting, form removal, excision welding screw mandrel is exposed to moulding wall concrete appearance
The part in face, smears cement mortar in the position of welding screw mandrel excision and covers smooth, you can carry out waterproof coiled material construction.
Wherein, in Step d, the medial strut members are to pour obtained concrete column in advance using moulding wall concrete.
Moulding wall is set to pour the moulding that the method for moulding concrete is obtained using formwork in above-mentioned basement foundation ditch crater wall
Wall formwork erecting structure is as illustrated in fig. 1 and 2：Including being disposed on the vertical moulding wall form 21 of foundation ditch crater wall side and existing in advance
Support pile 22 vertically embedded in soil layer on the outside of foundation ditch crater wall；Also include horizontally disposed some welding screw mandrels 23, weld screw mandrel
23 one end are weldingly fixed in the perforate on support pile 22, and the other end passes through moulding wall form 21 simultaneously and moulding wall form 21 is relative
It is fixed.Supporting of the realization to moulding wall form so is socketed by welding screw mandrel, without setting up shuttering supporting support again, greatly
Ground improves efficiency of construction.
In the moulding wall formwork erecting structure, the arrangement of the outside horizontal interval of moulding wall form 21 is provided with multiple rows of vertical flitch back of the body
Stupefied 24, flitch back cord 24 is arranged at intervals with the steel back stupefied 25 of multigroup level elevationally outward（Stupefied steel back can be channel-section steel back cord or steel
Pipe back cord）, every group of steel back stupefied 25 include about two steel backs arranged side by side it is stupefied and will welding screw mandrel 23 outer end sandwiched in the inner and according to
Interfixed by the stupefied fixed structure of steel back.So, better ensure that welding screw mandrel is applied to the tension equalizer on the outside of template
In template, it is ensured that form stable and reliability.
Being horizontally disposed with the moulding wall formwork erecting structure, between moulding wall form medial surface and foundation pit walls has medial strut members
26.It can so be better achieved to the support positioning on the inside of template, it is ensured that template is in the vertical of stabilization when moulding wall is poured
State.Preferably selection is that medial strut members are to pour obtained concrete column in advance using moulding wall concrete.So can be with
Preferably it is combined as a whole with after moulding wall concreting, structure bulk strength is not influenceed.
In the moulding wall formwork erecting structure, the stupefied fixed structure of steel back of use includes the stupefied hanging part 27 of a steel back, the steel
The middle part of back cord hanging part 27 has a through hole passed through for welding screw mandrel, and the stupefied upper and lower ends of hanging part 27 of steel back each have one
The individual hitching arm stretched out, mounting facies medialis brachii is stupefied for surrounding the stupefied locating surface for realizing mounting of steel back, steel back for arc
The locking nut 28 that the external screw thread of screw mandrel outer end coordinates is connected with and welded on the welding screw mandrel in the outside of hanging part 27.Further
Ground, the locking nut 28 is arranged side by side two, and the abutting that can mutually spin is realized locked.Further, steel back stupefied 25 is used
10# channel-section steels, can better ensure that supporting intensity and reliability.Further, welding screw mandrel 23 is obtained using the screw mandrels of Φ 16, can
To better ensure that supporting intensity and reliability.Further, the welding short transverse of screw mandrel 26 is arranged along spacing 400mm, can be with
Better ensure that supporting intensity and reliability.
Wherein, in step e, moulding wall strength grade of concrete uses C20；When pouring, poured according to layer and section, i.e., it is long
Spend direction segmentation, short transverse layering, every layer every section when pouring 1m~1.5m height, pause is poured and relief its initial set of vibrating,
Continue to pour after 1h；Pouring and vibrating for adjacent segment is completed during this section of initial set of this layer, is repeated in, until pouring to institute
Need height.The length of segmentation can be adjusted according to building length and casting concrete supply capacity correspondence.So, can be with
Preferably protection die table and reliability, improve pouring quality and saving pour the time.
In above-mentioned embodiment, in addition to pour preceding the step of soaking of being sprinkled water to the progress of foundation ditch inwall, so that pour
Concrete preferably can be combined with foundation ditch inwall, be difficult to cave in after form removal, improve pouring quality and obtained moulding wall
Reliability.
In above-mentioned embodiment, in step e, using concreting distributing system（Participate in Fig. 3 Fig. 5）Realize that concrete is poured
Build（And follow-up barricade is poured）, concreting distributing system includes being located on the outside of foundation ditch the concrete tank car 33 on ground and vehicle-mounted
Pump 34, and the material distributing machine being arranged in foundation ditch, the discharging opening of concrete tank car 33 are connected with Vehicle loaded pump 34, and Vehicle loaded pump discharge pipe passes through
Concrete conveyance conduit 35 is connected with the cloth pipeline 36 in material distributing machine；Material distributing machine includes the He of steel bracket 38 being mounted vertically in foundation ditch
It is arranged on the steel crossbearer 37 of steel bracket upper end with can horizontally rotating, one end of steel crossbearer 37 is the discharging for setting cloth pipeline 36
End, the front end of cloth pipeline 36 is connected with the pumping rubber vomit pipe 39 extended downwardly, and the rear end of cloth pipeline 36 is downward along steel bracket
Arrange and be connected with concrete conveyance conduit 35.
So, the concreting distributing system obtained using concrete tank car and Vehicle loaded pump and material distributing machine combination, with knot
Structure is simple, easy to assembly, advantage easy to set up with low cost, drastically increases and pours efficiency and pour simple operation.
Wherein, steel crossbearer 37 is the Balance weight end for being provided with balancing weight 31 away from the other end of discharge end, its discharge end distance
The length of steel bracket 38 is more than Balance weight end distance steel stent length.So, more facilitate and keep steel bracket balance, improve operation flat
Stability.
Wherein, the lower end of steel bracket 38 has horizontally outward extended bottom support frame 32, the periphery of bottom support frame 32
Supporting leg 40 straight down is provided with, the lower end of supporting leg 40 has in the cushion block 41 being horizontally set in foundation ditch, bottom support frame 31
Below portion the first rubber tyre 42 is provided between foundation ditch.So, installation and damping can be better ensured that, it is ensured that support is steady
It is qualitative, and avoid destruction of the material distributing machine to bottom of foundation ditch basic unit.
Wherein, 32 4 jiaos of bottom support frame has the four horizontal extension legs 43 horizontally outward set, and the supporting leg 40 is set
Put below the front end of horizontal extension leg 43.So, the position of four each supporting legs can be adjusted as needed, it is installed steady, together
When can as needed try one's best when installing and outwards elongate Retractive leg, better ensure that stability of strutting system.
Wherein, concrete conveyance conduit is also padded provided with the second rubber tyre 44 into the lower section of foundation ditch corner.So, the second rubber
Rubber tire tire 44 can preferably concrete conveyance conduit whereabouts intersegmental part delivering concrete when impact enter row buffering, preferably protection pipe
Road and corresponding bottom of foundation ditch base layer structure.
Wherein, steel crossbearer rear and front end each hangs downwards and is provided with adjustment drawstring 45.So, can facilitate workman from
Drawstring before and after lower section is pulled, carries out the adjustment to steel crossbearer left rotation and right rotation, simple in construction and easy to adjust quick, adjusts stability
It is good.Further, adjustment is additionally provided with draw ring with the lower end of drawstring 45, facilitates workman to pull force.
Water-proof concrete can also be configured to during implementation, when concrete is configured in step e using waterproof material to be poured,
The barricade waterproof layer for obtaining itself and waterproof coiled material construction constitutes dual waterproof together, is greatly enhanced waterproof effect；Configuration is anti-
When water coagulation is native, using following water-proof concrete configuration device（Participate in Fig. 5）Realize, including concrete tank car 33, in addition to one
A plastic water bag 48, the upper end open edge of plastic water bag 48 and agitator upper port are provided with agitator 47, agitator 47
Edge is consistent and connected, and the length after plastic water bag 48 extends is equal to or higher than the depth of agitator 47, and the bottom of agitator 47 is located at
Electronic weigher 49 is provided with below plastic water bag, electronic weigher 49 has one and weighed positioned at the horizontally disposed of the top
Face and this weighs face in the middle part of the agitator, the upper end side of agitator 47 is also outwards provided with and communicated with water inlet pipe 50, water inlet pipe 50
The inner is sealingly connected to inside plastic water bag, is provided with water inlet switch valve 51 on water inlet pipe 50, the lower end side of agitator 47 also to
Outlet pipe 52 is provided with and communicated with outside, outlet pipe the inner is sealingly connected to inside plastic water bag, and being provided with water outlet on outlet pipe 52 opens
Valve 53 and water pump 54 are closed, outlet pipe water side is connected to the entrance of agitator tank on concrete tank car.
So, in use, effluent switch valve can be closed first, water inlet switch valve is opened, by water inlet pipe to plastic water bag
Interior water inlet, measures by electronic weigher and water inlet switch valve is closed after the water for entering fixed mass, then adds correspondence ratio
PNC waterproof materials are in plastic water bag, after stirring, then open effluent switch valve and water pump and uniformly will be mixed with PNC waterproofs
The water of material is directly pumped into agitator tank, is added concrete formulation and is stirred.So, first realize that PNC prevents by agitator
It is added directly into after the stirring and evenly mixing of water material in concrete drums, adds cement and sandstone stirring, it is ensured that concrete
The uniformity that middle PNC waterproof materials are mixed into, and promptness, the time conditions matching for using itself and waterproof material itself, it is ensured that
Good waterproof effect.
Wherein, in addition to self- poking arrangement, self- poking arrangement includes a tripod 55, and tripod 55 includes circumferential
Upper equally distributed three foot levers, foot lever the inner is fixedly connected with a motor 56, foot lever length and the matching of agitator radius and pin
Bar outer end under being it is curved be used for and the clamping of agitator edge bending, motor output end is connected with one and extends straight down
Agitating shaft 57, agitating shaft lower end extends to agitator middle and lower part position and the lower end is provided with stirring vane 58.
So, stirring barrel edge can be fixed on by tripod foot lever so that stirring vane is deep into agitator
Inside, drives stirring vane to realize stirring to waterproof material by motor, more convenient and do not improve mixing effect again not
Influence weight calculation is weighed.
Wherein, one piece of intermediate plate 59 is additionally provided between electronic weigher 49 and plastic water bag 48, the level of intermediate plate 59 is set
Put and shape is consistent with agitator lumenal cross-section, being left between the edge of intermediate plate 59 and stirring barrel cavity can be on intermediate plate
The gap of lower slider, the upper surface of intermediate plate 59 is directly affixed in the middle part of setting, the lower surface of intermediate plate 59 and electronic scale with plastic water bag
The face of weighing of treasure 49 is affixed setting.So can be preferably by the weight transmitting of plastic water bag to electronic-weighing by intermediate plate
On device, accuracy of weighing is improved.Further, the lower surface of intermediate plate 59 is provided with one layer of elastic rubber material, so can
Enough faces of weighing preferably with electronic weigher fit, and it is weighed accurately.
Wherein, electronic weigher 49 have one be located at side display screen, display screen just to agitator side on set
It is equipped with watch window.So, beneficial to reading.
The present invention is when it is implemented, carry out that sizing truss mould plate support system can be used after basement barricade reinforcing bar colligation
Realize single side formwork on the inside of barricade.
The sizing truss mould plate support system（Participate in Fig. 6-7）Including vertically arranged barricade template 71, barricade template
71 outsides horizontal interval are disposed with some vertical back cords 72, and arranged for interval has some horizontal back cords to vertical back cord 72 elevationally outward
73, the outside of horizontal back cord 73 has been horizontally spaced about some sizing truss, the overall at right angles triangle of sizing truss and one it is straight
The arm of angle is mutually leaned on foundation ditch ground, and another right-angle side is mutually leaned on horizontal back cord, in addition to some single wire drawing bars 74, single wire drawing bar 74
Horizontally disposed and the inner is weldingly fixed in the barricade bar-mat reinforcement that the inner side of barricade template 71 has been bundled, and outer end, which is fixed, to be socketed in sizing
On truss.
So, using sizing truss as barricade template outside-supporting, sizing truss is prefabricated triangular framing knot
Structure, the compression to back cord is realized by single wire drawing bar, and then compresses support shuttering, therefore can be realized Fast Installation and be ensured to mould
The stability of strutting system of plate.
Wherein, the vertical back cord 72 is that bag batten is obtained in vertically arranged several shaped steels, and batten side is faced
And it is fitted in barricade template outer surface.
So, on the inside of vertical back cord batten and barricade template outer surface can preferably fit power transmission, improve stable
Property, the transmission that several shaped steels in outside and horizontal back cord contact can preferably bear support force improves reliability.
Wherein, to be that the channel-section steel that is arranged in pairs connects obtained double flute steel back along its length stupefied for horizontal back cord 73, sets in pairs
The channel-section steel length direction junction put is provided with a bloom 75 being adjacent between two pairs of channel-section steels being mutually connected, by steel pin 76
Connection is realized through the connecting hole on channel-section steel and bloom 75；The thickness of bloom 75 is more than single diameter of wire drawing bar 74, and single wire drawing bar is worn
Between the stupefied paired channel-section steel of double flute steel back.So, the installation settings of horizontal back cord can be facilitated, and better ensure that the horizontal back of the body
Stupefied intensity, additionally it is possible to the reliability of the convenient stability and force for improving single wire drawing bar connection.
Wherein, single outer end of wire drawing bar 74 is fixed by truss fixed structure sockets on sizing truss, truss fixed structure
Including a round steel hanging part 77, the middle part of round steel hanging part 77 has a through hole passed through for single wire drawing bar 74, round steel mounting
The upper and lower ends of part 77 each have a hitching arm stretched out, and mounting facies medialis brachii sockets for arc and respective stress
One truss is socketed is arranged on each sizing truss and transmits single wire drawing bar pair with round steel, truss sockets to be extended transversely through with round steel
The lock coordinated with the external screw thread of single wire drawing bar outer end is connected with single wire drawing bar on the outside of the pulling force of sizing truss, round steel hanging part
Tight nut.Further, the locking nut is arranged side by side two, and the abutting that can mutually spin is realized locked.
So, the quick connection of convenient single wire drawing bar and sizing truss is installed and stable force, and truss is socketed with round steel also
It can to constitute the entirety of common stress between each sizing truss, preferably improve stability.
Wherein, the sizing truss is surrounded right-angled trapezium lower frame integrally in a rectangular trapezoid by steel bar including underlying
Frame 78, be connected to the top of right-angled trapezium underframe 78 surrounds framework 79, right angle trigonometry on overall at right angles triangle by steel bar
Vertical edge in shape on the inside of the vertical edge and right-angled trapezium underframe of the inner side of framework 79 is located at same perpendicular, right angled triangle upper ledge
The hypotenuse on the outside of hypotenuse and right-angled trapezium underframe on the outside of frame is located at same oblique plane；Right-angled trapezium underframe upper surface institute
It is fixedly connected after the steel bar of position is fitted with the steel bar of frame lower surface position on right angled triangle using bolt.
So, sizing truss is obtained using two framework splicings, can more be facilitated the decomposition transport of sizing truss and be spelled
Installation is connect, and it is quick and easy for installation.
Wherein, the steel bar upper end of the vertical edge position of framework 79 upwardly extends to form stage+module portion on right angled triangle,
The platform framework 80 that rectangular triangle is surrounded by steel bar to being externally connected with the outside of stage+module portion, platform framework 80
Upper surface is horizontally disposed steel bar and people's row platform is constituted after supporting plate for laying.So, people's row can be more facilitated to put down
Platform sets up installation, carries out on people's row platform beneficial to workman and the operation such as pours.
Wherein, the outer end of platform framework 80 is fixed up being connected with Terrace prevention bar 81.So, can when setting up
Safety net is set to be drawn by Terrace prevention bar, with the safety of guarantor's row platform.
Wherein, reinforcement steel bar arranged in a crossed manner is also fixedly connected with inside right-angled trapezium underframe 78.Further improve
The steadiness of right-angled trapezium underframe.
Wherein, the reinforcement steel that two ends are fixedly connected between each bar side is additionally provided with right angled triangle inside framework 79
Bar.Further improve the steadiness of framework on right angled triangle.
Wherein, steel bar upper position where the hypotenuse of framework 79 is additionally provided with hanger 82 on right angled triangle, when so installing
The docking that right angled triangle upper ledge and right-angled trapezium underframe can be first completed under foundation ditch ground level state is fixed, Ran Houzai
The pull-up of sizing truss is completed to install in vertical state by hanger lifting, the convenience of in-site installation construction is improved.
Wherein, the fixed outwards connection in the outside of the respective hypotenuse of framework 79 on right-angled trapezium underframe 78 and right angled triangle
There is one section of support shaped steel 83, support shaped steel 83 is used to shelve the connection that horizontal truss joint steel pipe 84 realizes each sizing truss.
So, it can facilitate that each sizing truss is connected to become into a common stress is overall, it is ensured that the stability of single side formwork and can
By property.
Wherein, also there is the foundation bolt that upward insertion is set at the steel bar outer end where the base of right-angled trapezium underframe 78
Connecting hole, foundation bolt connecting hole is used for and the vertical pre-buried foundation bolt 85 in foundation ditch ground is connected.It is achieved in that sizing
Positioning and fixation on the outside of during truss installa-tion, improve install convenient and ensure that supporting ＆ stablizing is reliable.
Wherein, it is additionally provided with anchor pole contiguous block 86, anchor pole contiguous block and is provided with the interior angle of right-angled trapezium underframe base
The also oblique outer lower side in steel bar lower end on the inside of anchor pole connecting hole, right-angled trapezium underframe where vertical edge is provided through anchor pole and worn
Hole, anchor perforation just sets to anchor pole connecting hole and drawn for being fixed after running through for the oblique pre-buried embedded anchor bar 87 in foundation ditch ground
It is connected on anchor pole contiguous block.
So, it is convenient install after provide oblique pulling force by embedded anchor bar, better ensure that the one side support of sizing truss by
Dynamic balance, further improves the stability and reliability of support.
After basement barricade pours and conserves and finish, sizing truss and barricade template are removed, it is the single wire drawing bar of excision, pre-buried
Foundation bolt and the unnecessary exposed part of embedded anchor bar, complete basement Retaining wall.
Claims (10)
1. a kind of basement Retaining wall method based on concreting moulding wall, first sets in basement foundation ditch crater wall and makes
Type wall, moulding wall outer surface is corresponding consistent with basement barricade outer surface design shape, then enters in moulding wall outer surface
Row waterproof coiled material construction obtains barricade waterproof layer, by moulding wall and barricade waterproof layer formation basement barricade outside-supporting, enters
Single side formwork on the inside of the barricade reinforcing bar colligation of row basement and barricade, completes basement barricade and pours；Characterized in that, basement base
The method that moulding wall uses formwork to pour moulding concrete is set in the crater wall of hole, following steps are specifically included：
A, in advance foundation ditch crater wall elevationally outward bury support pile；
B, surveying setting-out, determine the welding screw mandrel set location of model sheetinstallat position and bar planting；
C, bar planting, the soil layer plane by support pile in face of foundation ditch side are opened, and are drilled on the side surface that support pile exposes, by welding wire
In the inner vertical implant holes of bar and it is welded and fixed, its outer end level is just stretched out to support pile fixation；
D, model sheetinstallat, template are vertically installed on correspondence welding screw mandrel perforation in model sheetinstallat position, template so that welding wire
Bar outer end passes through horizontal interval arrangement on the outside of template, template to be provided with multiple rows of vertical flitch back cord, and flitch back cord is elevationally outward
The steel back for being arranged at intervals with multigroup level is stupefied, and every group of steel back is stupefied stupefied and will welding screw mandrel outer end including about two steel backs arranged side by side
Sandwiched is in the inner and the dependence stupefied fixed structure of steel back interfixes, and realizes and the support on the outside of template is positioned；Again on the inside of template
Medial strut members are horizontally disposed between face and foundation pit walls, realizes and the support on the inside of template is positioned, model sheetinstallat is completed；
E, the completion moulding wall concreting between template and foundation ditch crater wall；
Shaping is conserved after f, moulding wall concreting, form removal, excision welding screw mandrel is exposed to moulding wall concrete appearance
The part in face, smears cement mortar in the position of welding screw mandrel excision and covers smooth, you can carry out waterproof coiled material construction.
2. the basement Retaining wall method as claimed in claim 1 based on concreting moulding wall, it is characterised in that d
In step, the stupefied fixed structure of steel back of use includes having one in the middle part of a stupefied hanging part of steel back, the stupefied hanging part of steel back
The through hole passed through for welding screw mandrel, the stupefied hanging part upper and lower ends of steel back each have a hitching arm stretched out, hitching arm
Medial surface spins for arc for surrounding on the welding screw mandrel on the outside of the stupefied locating surface for realizing mounting of steel back, the stupefied hanging part of steel back
There is and welds the locking nut that the external screw thread of screw mandrel outer end coordinates.
3. the basement Retaining wall method as claimed in claim 2 based on concreting moulding wall, it is characterised in that institute
It is arranged side by side two to state locking nut.
4. the basement Retaining wall method as claimed in claim 2 based on concreting moulding wall, it is characterised in that d
In step, the medial strut members are to pour obtained concrete column in advance using moulding wall concrete.
5. the basement Retaining wall method as claimed in claim 2 based on concreting moulding wall, it is characterised in that e
In step, moulding wall strength grade of concrete uses C20；When pouring, poured according to layer and section, i.e., length direction is segmented, it is high
Direction layering is spent, every layer every section when pouring 1m~1.5m height, pause is poured and relief its initial set of vibrating, and continues to pour after 1h；
Pouring and vibrating for adjacent segment is completed during this section of initial set of this layer, is repeated in, until pouring to required height.
6. the basement Retaining wall method as claimed in claim 2 based on concreting moulding wall, it is characterised in that e
In step, concreting is realized using concreting distributing system, concreting distributing system includes being located at outside foundation ditch
The concrete tank car and Vehicle loaded pump on side ground, and the material distributing machine being arranged in foundation ditch, concrete tank car discharging opening are connected with Vehicle loaded pump, vehicle-mounted
Pipe material is pumped out by concrete conveyance conduit with the cloth pipeline in material distributing machine to be connected；Material distributing machine includes being mounted vertically in foundation ditch
Steel bracket and be arranged on steel bracket upper end steel crossbearer with can horizontally rotating, one end of steel crossbearer are the discharging for setting cloth pipeline
End, cloth pipeline front end is connected with the pumping rubber vomit pipe extended downwardly, and cloth rear end of pipeline is arranged downwards simultaneously along steel bracket
It is connected with concrete conveyance conduit.
7. the basement Retaining wall method as claimed in claim 6 based on concreting moulding wall, it is characterised in that steel
Crossbearer is the Balance weight end for being provided with balancing weight away from the other end of discharge end, and its discharge end is more than counterweight apart from the length of steel bracket
Hold distance steel stent length.
8. the basement Retaining wall method as claimed in claim 1 based on concreting moulding wall, it is characterised in that enter
Single side formwork on the inside of barricade is realized using sizing truss mould plate support system after row basement barricade reinforcing bar colligation,
The sizing truss mould plate support system includes horizontal interval on the outside of vertically arranged barricade template, barricade template and is disposed with
Some vertical back cords, arranged for interval has some horizontal back cords to vertical back cord elevationally outward, and horizontal back cord outside is horizontally spaced about
There are some sizing truss, the overall at right angles triangle of a sizing truss and right-angle side is mutually leaned on foundation ditch ground, another right angle
Side is mutually leaned on horizontal back cord, in addition to some single wire drawing bars, and single wire drawing bar is horizontally disposed and the inner is weldingly fixed on barricade template
In the barricade bar-mat reinforcement that inner side has been bundled, outer end, which is fixed, to be socketed on sizing truss.
9. the basement Retaining wall method as claimed in claim 8 based on concreting moulding wall, it is characterised in that institute
State vertical back cord to obtain for bag batten in vertically arranged several shaped steels, batten side is faced and is fitted in outside barricade template
Side surface.
10. the basement Retaining wall method as claimed in claim 9 based on concreting moulding wall, it is characterised in that
The sizing truss is surrounded right-angled trapezium underframe integrally in a rectangular trapezoid by steel bar including underlying, is connected to right angle
Above trapezoidal underframe by steel bar surround vertical edge on framework on overall at right angles triangle, right angled triangle on the inside of framework and
Vertical edge on the inside of right-angled trapezium underframe is located on same perpendicular, right angled triangle hypotenuse and right-angled trapezium on the outside of framework
Hypotenuse on the outside of underframe is located at same oblique plane；The steel bar and right angle trigonometry of right-angled trapezium underframe upper surface position
It is fixedly connected in shape after the steel bar laminating of frame lower surface position using bolt.
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| CN109610516A (en) * | 2018-11-28 | 2019-04-12 | 成都建工第八建筑工程有限公司 | Retaining wall method at poured band of outer wall of basement |
| CN110485463A (en) * | 2019-08-30 | 2019-11-22 | 中建五局土木工程有限公司 | Vertically to wall pouring construction method and pouring construction device |
| CN113174994A (en) * | 2021-03-24 | 2021-07-27 | 湖北省路桥集团有限公司 | Construction method of high retaining wall structure with complex steep terrain |
| CN113668929A (en) * | 2021-08-20 | 2021-11-19 | 成都建筑材料工业设计研究院有限公司 | Assembly type structure of net rack foundation and high material blocking wall for closed storage yard |
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| CN113668929A (en) * | 2021-08-20 | 2021-11-19 | 成都建筑材料工业设计研究院有限公司 | Assembly type structure of net rack foundation and high material blocking wall for closed storage yard |
| CN113668929B (en) * | 2021-08-20 | 2022-08-23 | 成都建筑材料工业设计研究院有限公司 | Assembly type structure of net rack foundation and high material blocking wall for closed storage yard |
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| CN107130631B (en) | 2019-03-29 |
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