CN108755762A - Assemble type concrete slab construction method - Google Patents
Assemble type concrete slab construction method Download PDFInfo
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- CN108755762A CN108755762A CN201810603218.4A CN201810603218A CN108755762A CN 108755762 A CN108755762 A CN 108755762A CN 201810603218 A CN201810603218 A CN 201810603218A CN 108755762 A CN108755762 A CN 108755762A
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- concrete slab
- concrete
- guide groove
- connector
- slab
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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
- E02D29/05—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 at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench
- E02D29/055—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 at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel
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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
- E02D29/04—Making large underground spaces, e.g. for underground plants, e.g. stations of underground railways; Construction or layout thereof
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
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- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of assemble type concrete slab construction methods, include the following steps:Geological exploration simultaneously does respective handling, is previously-completed after the construction of building enclosure and supporting stake mutually several concrete slabs are prefabricated at the top of supporting stake, restores road traffic;Settle concrete slab;Concrete slab is surveyed inclined;Concrete slab is rectified a deviation;Several concrete slabs are connected and fixed.It can avoid the defect that open cut assembling method is affected to ambient enviroment and road traffic, realization that from can restoring road traffic in a short time after construction starts using the present invention, reduce the purpose to ambient enviroment traffic impact.The present invention uses precast slab, avoids the making construction for carrying out concrete slab in the underground space, is greatly improved the quality of structure base slab, while can save the underground construction time, shortens the construction period;It is quick for installation simultaneously, the labor intensity of construction personnel is greatly reduced, construction speed is further speeded up.
Description
Technical field
The invention belongs to construction foundation working technical fields, are to be related to a kind of assemble type concrete slab to apply more specifically
Work method.
Background technology
Along with urban development, skyscraper increases, urban underground space utilization power also in sustained and rapid development, with
The continuous innovation of subway station construction technology and flow, the construction of ripe underground structure is divided into following several at present:
1. open cut assembling method:First from the downward excavation pit of earth's surface or trench, until after designed elevation, from bottom to top from substrate
Sequence construction carries out backfilling of earthwork after completing underground engineering agent structure, is finally completed underground engineering construction.The construction method can
To use large-scale instrument to carry out mobile assembly to precast concrete, it is affected to ambient enviroment and road traffic.
2. subsurface excavation method:Ground is not excavated, is constructed by the way of digging a hole into the earth, and can not use large-scale instrument, but can be fast
Quick-recovery road traffic.
More and more universal with the application of prefabricated assembled concrete structure, open cut assembling method is as domestic subway at present
It stands common construction, although simple with construction method, the difference advantage such as technology maturation, but with to ambient enviroment
Be affected, influence the defect of road traffic.And the Underground Constructions engineering method such as existing subway station can not show simultaneously
The advantages of open cut assembling method and subsurface excavation method, existing construction technology process cannot be satisfied people to traffic, city appearance environment, adjacent building
Object safety, security of foundation ditch construction, economic results in society etc. integration requirement.
Invention content
It is existing in the prior art to solve the purpose of the present invention is to provide a kind of assemble type concrete slab construction method
The technical issues of being affected to ambient enviroment and road traffic using open cut assembling method in Underground Construction.
To achieve the above object, the technical solution adopted by the present invention is:A kind of assemble type concrete slab construction method is provided,
Include the following steps:
(1) geological exploration and concrete board precast:
Exploration geological condition simultaneously does respective handling, and it will be mutually several to be previously-completed after the construction of building enclosure and supporting stake
Concrete slab is prefabricated at the top of supporting stake, restores road traffic;Per concrete slab central through hole pass through one with
On supporting stake, the supporting stake and the via clearance coordinate;
(2) concrete slab sedimentation construction:The edge of the concrete slab is equipped with and fetches earth mouth, through the mouth that fetches earth from concrete slab
Lower section fetch earth, make several concrete slabs by dead weight sink;
(3) concrete slab surveys correction partially:The concrete slab in infall process is measured using deflection device is surveyed, if making
Dry concrete slab synchronizes;
(4) several concrete slabs are connected and fixed, and form assemble type concrete slab.
Further, the step (3) includes following two step,
1) concrete slab is surveyed inclined:The survey deflection device include installed from bottom to top along the short transverse of supporting stake it is several
A photosensitive sensor being connected with terminal computer, concrete slab upper surface four corners position setting for photosensitive sensor
The laser emitter for emitting laser, judges what concrete slab generated in sinking watching according to the data that photosensitive sensor detects
Inclined direction and bias;
2) concrete slab is rectified a deviation:According to the inclined direction of concrete slab and bias, corresponds to and take in the lower section of concrete slab
Soil makes several concrete slabs synchronize holding level and sinks.
Further, in the step (4), after the concrete slab sedimentation in place in edge, pass through connection structure one
It is connected and fixed with abutment wall.
Further, the connection structure one includes being horizontally placed on the bright bracket of the abutment wall side, and be set to institute
The flanged plate on concrete slab and abutment wall mating surface is stated, the flanged plate on the concrete slab and abutment wall mating surface is connected by bolt
Connect fixation.
Further, the upper surface of stated clearly bracket is equipped with limited block, the lower surface of the concrete slab be equipped with it is described
The corresponding limit hole of limited block, the limited block are used to position the opposite position of concrete slab upper flange plate and abutment wall upper flange plate
It sets.
Further, in the step (4), adjacent concrete plate is connected and fixed by connection structure two, the connection
Structure two includes connector and connecting pin, and the connector is horizontally placed between two adjacent concrete slabs, the company
First positioning hole and second location hole there are two being set side by side on fitting for coordinating with the connecting pin;Adjacent two are mixed
Concrete board is respectively the first concrete slab and the second concrete slab, the mating surface of first concrete slab and the second concrete slab
It is equipped with the horizontal guide slot for accommodating the connector, the guiding trench bottom of first concrete slab is equipped with spring;Institute
The guide groove side of the first concrete slab is stated vertically through the first pin hole for coordinating with the connecting pin, the first concrete
Before plate and the connection of the second concrete slab, first pin hole is corresponding with the first positioning hole, second concrete slab
Guide groove side is vertically through the second pin hole for coordinating with the connecting pin;First concrete slab and the second concrete slab
After connection, second pin hole is corresponding with the second location hole;The length of the connector is more than second concrete
The length of guide groove in plate;Connecting pin second location hole on second pin hole and connector, described first is mixed
Cast-in-place concrete in the guide groove of concrete board and the first pin hole.
Further, the middle part of the connector is equipped with limiting stand, and the first positioning hole is set to the limiting stand
Left side large-diameter portion, the second location hole are set to the right side small diameter portion of the limiting stand, are oriented in first concrete slab
The open end of slot is equipped with the step coordinated with the limiting stand, the guide groove opening diameter and second of first concrete slab
The diameter of guide groove is identical as the right side small diameter portion diameter of the connector in concrete slab.
Further, the second location hole is less than or equal to second pin hole at a distance from the connector right end face
It is oriented at a distance from trench bottom in second concrete slab.
Further, the guiding trench bottom of first concrete slab is equipped with for pacifying spring-loaded blind hole, the spring
One end be fixed on the blind via bottom.
Further, the construction procedure of the connection structure two is:
Connector is placed in the guiding trench bottom of first concrete slab, connecting pin is passed through into the first concrete slab
First positioning hole on first pin hole and connector, by spring-compressed the first concrete slab guiding trench bottom;
After the first concrete slab and the second concrete slab settle in place, connecting pin, work of the connector in spring are extracted
It is sprung into the guide groove of the second concrete slab along the guide groove of the first concrete slab under;
Connecting pin is inserted into the second pin hole of the second concrete slab and its second location hole of guide groove interconnecting piece,
Connector and the second concrete slab are connected and fixed;
Using the first pin hole of the first concrete slab as sprue gate, coagulation is poured into a mould into the guide groove of the first concrete slab
First concrete slab and the second concrete slab are connected as one by soil.
The advantageous effect of assemble type concrete slab construction method provided by the invention is:Compared with prior art, this hair
If bright assemble type concrete slab construction method surveys correction-partially by precast block concrete slab-sedimentation concrete slab-concrete slab
Dry concrete slab is connected and fixed, and realization can restore road traffic in a short time after construction starts, and is reduced to ambient enviroment shadow
Loud purpose.The present invention uses precast slab, avoids the making construction for carrying out concrete slab in the underground space, can carry significantly
The quality of high structure base slab, while the underground construction time can be saved, it shortens the construction period, while quick for installation, greatly reduces constructor
The labor intensity of member, further speeds up construction speed.Open cut assembling method can be avoided to ambient enviroment and road surface using the present invention
The larger defect of traffic impact.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1, which is that polylith concrete slab is spliced in assemble type concrete slab construction method provided in an embodiment of the present invention, to bow
View;
Fig. 2 is the peace for surveying deflection device in assemble type concrete slab construction method provided in an embodiment of the present invention on concrete slab
Fill schematic diagram;
Fig. 3 is the instrumentation plan that deflection device is surveyed in Fig. 2;
Fig. 4 is the structural representation of connection structure one in assemble type concrete slab construction method provided in an embodiment of the present invention
Figure;
Fig. 5 is the structural representation of connection structure two in assemble type concrete slab construction method provided in an embodiment of the present invention
Figure;
Fig. 6 is the status diagram that the first concrete slab and the second concrete slab connect preceding connection structure two in Fig. 5;
Wherein, each reference numeral in figure:
1- concrete slabs, the first concrete slabs of 11-, the second concrete slabs of 12-;2- supporting stakes, 3- fetch earth mouth, and 4- is photosensitive
Sensor, 5- laser emitters, 6- abutment walls, the bright brackets of 7-, 8- flanged plates, 9- limited blocks, 10- connectors, 100- limiting stands,
101- large-diameter portions, 102- small diameter portions;13- connecting pins, 14- first positioning holes, 15- second location holes, 16- guide grooves, 17- bullets
Spring, the first pin holes of 18-, the second pin holes of 19-, 20- steps, 21- traction ropes.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Now assemble type concrete slab construction method provided by the invention is illustrated.The assemble type concrete slab construction
Method, following steps:(1) it surveys and geological condition and does respective handling, be previously-completed applying for building enclosure and supporting stake 2
It is after work, mutually several concrete slabs 1 are prefabricated at the top of supporting stake 2, restore road traffic;Per in concrete slab 1
Heart through-hole passes through one or more the supporting stake 2 for being used to support underground space structure, the supporting stake 2 and the via clearance
Cooperation, while gap is equipped between adjacent concrete plate, facilitate concrete slab smoothly to sink.
(2) concrete slab sedimentation construction:The edge of the concrete slab 1 is equipped with and fetches earth mouth 3, through the mouth 3 that fetches earth from concrete
It fetches earth the lower section of plate 1.Also referring to Fig. 1, concrete slab is designed as rectangle, several concrete slabs splice, fetch earth side by side
Mouth is set to the four corners position of every concrete slab, takes the earthwork below concrete slab from the mouth that fetches earth, takes the side gradually to fetch earth
Formula makes several concrete slabs sink by dead weight.
(3) concrete slab surveys correction partially:The concrete slab in infall process is measured using deflection device is surveyed, if making
Dry concrete slab synchronizes;It is specifically divided into following two step:
1) concrete slab is surveyed inclined:Also referring to Fig. 2,3, the deflection device of surveying includes the height side along supporting stake 2
To installing several photosensitive sensors 4 being connected with terminal computer, the four corners position in 1 upper surface of concrete slab from bottom to top
Laser emitter 5 for emitting from laser to photosensitive sensor 4 is set, is judged according to the data that photosensitive sensor 4 detects mixed
The inclined direction and bias that concrete board 1 generates in sinking watching;In order to ensure that concrete slab is steady in sinking watching
Property, traction rope 21 can be installed in the surrounding of supporting stake and be connected with concrete slab.
2) concrete slab is rectified a deviation:According to the inclined direction of concrete slab 1 and bias, corresponded in the lower section of concrete slab 1
It fetches earth, so that several concrete slabs 1 is synchronized holding level and sink.
Referring to Fig. 3, photosensitive sensor transmitting of the laser emitter of four corners position on supporting stake on concrete slab
Laser, photosensitive sensor is converted into electric signal by the optical signal that laser emitter is sent out is received, and is arrived by local network transport
On terminal computer, the processing by computer to data judges the deviation situation of concrete slab.According to low level photosensitive sensor
The height difference H detected with high-order photosensitive sensor come determine shoveling amount below concrete slab number, it is ensured that concrete slab water
Flat sinking;Being unearthed below polylith concrete slab is determined further according to the detection data of photosensitive sensor on several concrete slabs,
Ensure that all concrete slab Integral synchronous sink.
(4) several concrete slabs are connected and fixed, and form assemble type concrete slab.
Wherein, it after being in the sedimentation in place of concrete slab 1 at edge, is connected and fixed by connection structure one and abutment wall 6.It please join
Fig. 4 is read, the connection structure one includes being horizontally placed on the bright bracket 7 of 6 side of the abutment wall, and be set to the concrete slab
1 and 6 mating surface of abutment wall on flanged plate 8, the flanged plate 8 in 6 mating surface of the concrete slab 1 and abutment wall is bolted solid
It is fixed.
Above-mentioned technical proposal is advanced optimized, the upper surface of stated clearly bracket 7 is equipped with limited block 9, the concrete slab 1
Lower surface is equipped with limit hole corresponding with the limited block 9, and the limited block 9 is for positioning 1 upper flange plate 8 of concrete slab and side
The relative position of 6 upper flange plate 8 of wall.Bright bracket is made using steel plate, and limited block selects bolt or bar dowel to make, bright bracket
One end is embedded in supporting stake, can be welded on limited block on bright bracket, and the concrete slab in edge is reserved when prefabricated
Limit hole, the cooperation by limited block and limit hole makes the flanged plate on concrete slab and abutment wall be mapped, and passes through bolt
The two is connected and fixed.
When all concrete slabs reach designed elevation, adjacent concrete plate is connected and fixed by connection structure two, is completed
The whole assembly of concrete slab.Fig. 5,6 are please referred to, the connection structure two includes connector 10 and connecting pin 13, the company
Fitting 10 is horizontally placed between two adjacent concrete slabs, set side by side on the connector 10 there are two be used for and the company
The first positioning hole 14 and second location hole 15 of 13 cooperation of outbound nail;Two adjacent concrete slabs are respectively the first concrete slab
11 and second concrete slab 12, the mating surface of first concrete slab, 11 and second concrete slab 12 be equipped with for accommodating
The horizontal guide slot 16 of connector is stated, 16 bottom of guide groove of first concrete slab 11 is equipped with spring 17, and connector can
Under the action of the spring out of, the guide groove of the first concrete slab slides to the second concrete slab guide groove;First concrete
16 side of guide groove of plate 11 vertically through the first pin hole 18 for coordinating with the connecting pin 13, the first concrete slab and
Before the connection of second concrete slab, first pin hole 18 is corresponding with the first positioning hole 14, the first concrete slab and second
Before concrete slab is not connected, connector is limited in the guide groove of the first concrete slab using connecting pin;Described second
16 side of guide groove of concrete slab 12 is vertically through the second pin hole 19 for coordinating with the connecting pin 13, the first coagulation
After native plate and the connection of the second concrete slab, second pin hole 19 is corresponding with the second location hole 15;The connector 10
Length be more than second concrete slab 12 in guide groove 16 length;The connecting pin 13 runs through second pin hole 9
With second location hole 15 on connector 10, after connecting pin is extracted from the first pin hole, connector slides under the action of the spring
In the guide groove of two concrete slabs, connector is limited in the guide groove of the second concrete slab using connecting pin, to first
Cast-in-place concrete in the guide groove 16 of concrete slab 11 and the first pin hole 18 realizes that the first concrete slab and the second concrete slab connect
It connects.
As further preferred embodiment, the middle part of the connector 10 is equipped with limiting stand 100, the first positioning hole 14
It is set to the left side large-diameter portion 101 of the limiting stand 100, the second location hole 15 is set to the right side of the limiting stand 100
Small diameter portion 102, the open end of guide groove 16 is equipped with the step coordinated with the limiting stand 100 in first concrete slab 11
20, the diameter of guide groove 16 and institute in the 16 opening diameter of guide groove of first concrete slab 11 and the second concrete slab 12
102 diameter of right side small diameter portion for stating connector 10 is identical.Using the step of guide groove open end in the first concrete slab to connection
Part upper limit platform is limited, and makes connector between the intersection of the first concrete slab and the second concrete slab, mixed to first
In the guide groove of concrete board after cast concrete, being connected and fixed for the first concrete slab and the second concrete slab is realized.
Wherein, the large-diameter portion 101 of connector 10 is highly slightly below the height of guide groove 16 in the first concrete slab 11, can be
When pouring into a mould concrete, make Concrete Filled in the guide groove of the first concrete slab and first positioning hole, it is ensured that the first concrete
Plate and the second concrete slab are reliably connected.
In order to further ensure that connector guide groove in the second concrete slab has a sufficient running space, described second
Location hole 15 is less than or equal to second pin hole 19 and second concrete slab at a distance from 10 right end face of the connector
The distance of 16 bottom of guide groove in 12.
As further preferred embodiment, 16 bottom of guide groove of first concrete slab 11 is equipped with for installing spring
The blind via bottom is fixed in one end of 17 blind hole, the spring 17, facilitates installation spring by blind hole and is led to it
To.Alternatively, it is also possible to which the movable end of spring to be fixed on to the left end of connector, it is ensured that slide to the second concrete slab in connector
Also there is certain decrement when in guide groove.
Fig. 5,6 are please referred to, the construction procedure of the connection structure two is as follows:
(1) connector 10 is fixed in the blind hole of 16 bottom of guide groove of the first concrete slab 11 in advance, by connecting pin
Nail 13 passes through first positioning hole 14 on the first pin hole 18 and connector 10 of the first concrete slab 11, and spring 17 is compressed in first
16 bottom of guide groove of concrete slab 11.
(2) after the first concrete slab 11 and the second concrete slab 12 settle in place, connecting pin 13, connector are extracted
10 spring into along the guide groove 16 of the first concrete slab 11 in the guide groove 16 of the second concrete slab 12 under the action of spring 17.
(3) connecting pin 13 is inserted into 16 interconnecting piece 10 of the second pin hole 19 and its guide groove of the second concrete slab 12
Second location hole 15 in, connector 10 and the second concrete slab 12 are tentatively connected and fixed.
(4) using the first pin hole 18 of the first concrete slab 11 as sprue gate, to the guide groove 16 of the first concrete slab 11
Interior cast concrete holds together the first concrete slab 11 and the second concrete slab 12 admittedly, completes assembly concrete
The global formation of plate.
The connection structure two obtained using above-mentioned construction method belongs to dry and wet Hybrid connections node, be provided simultaneously with involvement connect and
The characteristics of wet connection, simple in structure, convenient, of low cost, cracking resistance of constructing and globality are strong, when geological process solidification consume well
Energy is dissipated, connecting node ductility is preferable.
Assemble type concrete slab construction method provided by the invention has the following advantages compared with prior art:
1. construction can restore road traffic in a short time after starting, smaller to Influence of Bicycle.
2. the present invention uses precast slab, the making construction that concrete slab is carried out in underground environment is avoided, it can
The quality of structure base slab is greatly improved, while the underground construction time can be saved, is shortened the construction period.
3. the present invention uses the inclined technique of Laser Measuring, have accuracy high, design is simple, easy to operation, economic benefit height etc.
Advantage.
4. between being in adjacent concrete plate as the steel plate of connector, making will not at the node of adjacent concrete plate
The case where there are stress concentrations.
5. install convenient of the present invention, quick, good appearance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. assemble type concrete slab construction method, which is characterized in that include the following steps:
(1) geological exploration and concrete board precast:
Exploration geological condition simultaneously processes, after being previously-completed the construction of building enclosure and supporting stake, by mutually several pieces of coagulations
Native plate is prefabricated at the top of supporting stake, restores road traffic;Central through hole per concrete slab is used for across one or more
The supporting stake of underground space structure, the supporting stake is supported to coordinate with the via clearance;
(2) concrete slab sedimentation construction:The edge of the concrete slab is equipped with the mouth that fetches earth, through fetching earth mouth under concrete slab
Side fetches earth, and several concrete slabs is made to sink by dead weight;
(3) concrete slab surveys correction partially:The concrete slab in infall process is measured using deflection device is surveyed, makes several pieces
Concrete slab synchronizes;
(4) several concrete slabs are connected and fixed, and form assemble type concrete slab.
2. assemble type concrete slab construction method as described in claim 1, it is characterised in that:The step (3) include with
Lower two steps,
1) concrete slab is surveyed inclined:The survey deflection device include along the short transverse of supporting stake install from bottom to top several with
The connected photosensitive sensor of terminal computer, the four corners position in concrete slab upper surface are arranged for emitting to photosensitive sensor
The laser emitter of laser judges the inclination that concrete slab generates in sinking watching according to the data that photosensitive sensor detects
Direction and bias;
2) concrete slab is rectified a deviation:According to the inclined direction of concrete slab and bias, corresponds to and fetch earth in the lower section of concrete slab, make
Several concrete slabs, which synchronize, keeps horizontal sinking.
3. assemble type concrete slab construction method as described in claim 1, it is characterised in that:In the step (4), place
After the concrete slab sedimentation in place at edge, it is connected and fixed with abutment wall by connection structure one.
4. assemble type concrete slab construction method as claimed in claim 3, it is characterised in that:The connection structure one includes water
It is flat to be set to the bright bracket of the abutment wall side, and the flanged plate being set on the concrete slab and abutment wall mating surface, it is described
Fixation is bolted in flanged plate on concrete slab and abutment wall.
5. assemble type concrete slab construction method as claimed in claim 4, it is characterised in that:The upper surface of stated clearly bracket is set
There are limited block, the lower surface of the concrete slab to be equipped with limit hole corresponding with the limited block, the limited block is for positioning
The relative position of concrete slab upper flange plate and abutment wall upper flange plate.
6. assemble type concrete slab construction method as described in any one in claim 1-5, it is characterised in that:In the step
(4) in, adjacent concrete plate is connected and fixed by connection structure two, and the connection structure two includes connector and connecting pin,
The connector is horizontally placed between two adjacent concrete slabs, set side by side on the connector there are two for it is described
The first positioning hole and second location hole of connecting pin cooperation;Two adjacent concrete slabs are respectively the first concrete slab and
The mating surface of two concrete slabs, first concrete slab and the second concrete slab is equipped with the water for accommodating the connector
The guiding trench bottom of flat guide groove, first concrete slab is equipped with spring;It hangs down the guide groove side of first concrete slab
It is described before the first pin hole of the straight perforation for coordinating with the connecting pin, the first concrete slab and the connection of the second concrete slab
First pin hole is corresponding with the first positioning hole, the guide groove side of second concrete slab vertically through for it is described
Second pin hole of connecting pin cooperation;After first concrete slab and the connection of the second concrete slab, second pin hole and described the
Two location holes are corresponding;The length of the connector is more than the length of guide groove in second concrete slab;The connecting pin
It follows closely and runs through second location hole on second pin hole and connector, it is existing in the guide groove and the first pin hole of first concrete slab
Pouring concrete.
7. assemble type concrete slab construction method as claimed in claim 6, it is characterised in that:The middle part of the connector is equipped with
Limiting stand, the first positioning hole are set to the left side large-diameter portion of the limiting stand, and the second location hole is set to the limit
The right side small diameter portion of position platform, the open end of guide groove is equipped with the step coordinated with the limiting stand in first concrete slab,
The diameter of guide groove and the connector in the guide groove opening diameter and the second concrete slab of first concrete slab
Right side small diameter portion diameter is identical.
8. assemble type concrete slab construction method as claimed in claim 7, it is characterised in that:The second location hole with it is described
The distance of connector right end face is less than or equal to second pin hole and is oriented at a distance from trench bottom in second concrete slab.
9. assemble type concrete slab construction method as claimed in claim 6, it is characterised in that:First concrete slab is led
It is equipped with to trench bottom for pacifying spring-loaded blind hole, the blind via bottom is fixed in one end of the spring.
10. assemble type concrete slab construction method as claimed in claim 6, it is characterised in that:The connection structure two is applied
Work step is that connector is placed in the guiding trench bottom of first concrete slab suddenly, and connecting pin is passed through the first concrete slab
The first pin hole and connector on first positioning hole, by spring-compressed the first concrete slab guiding trench bottom;
After the first concrete slab and the second concrete slab settle in place, connecting pin is extracted, connector is under the action of the spring
It is sprung into along the guide groove of the first concrete slab in the guide groove of the second concrete slab;
Connecting pin is inserted into the second pin hole of the second concrete slab and its second location hole of guide groove interconnecting piece, it will even
Fitting is connected and fixed with the second concrete slab;
Using the first pin hole of the first concrete slab as sprue gate, concrete is poured into a mould into the guide groove of the first concrete slab, it will
First concrete slab and the second concrete slab are connected as one.
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CN112282070A (en) * | 2020-11-27 | 2021-01-29 | 福建江夏学院 | Concrete assembled structure with high supporting strength |
WO2021031859A1 (en) * | 2019-08-22 | 2021-02-25 | 上海建工二建集团有限公司 | Slab lowering construction method for underground structure in reverse construction method |
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CN202849893U (en) * | 2012-09-26 | 2013-04-03 | 朱毅 | Concrete slab pavement structure |
CN105951880A (en) * | 2016-05-09 | 2016-09-21 | 江苏鸿基节能新技术股份有限公司 | Assembled underground structure of precast concrete planks and construction method thereof |
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EP0458703B1 (en) * | 1990-05-23 | 1995-02-15 | Misawa Homes Co. Ltd | Prefabricated concrete basement and process for constructing the same |
CN202849893U (en) * | 2012-09-26 | 2013-04-03 | 朱毅 | Concrete slab pavement structure |
CN105951880A (en) * | 2016-05-09 | 2016-09-21 | 江苏鸿基节能新技术股份有限公司 | Assembled underground structure of precast concrete planks and construction method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2021031859A1 (en) * | 2019-08-22 | 2021-02-25 | 上海建工二建集团有限公司 | Slab lowering construction method for underground structure in reverse construction method |
CN112282070A (en) * | 2020-11-27 | 2021-01-29 | 福建江夏学院 | Concrete assembled structure with high supporting strength |
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CN108755762B (en) | 2020-04-07 |
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