CN110306524A - The foundation reinforcing structure and method of the Heavy Equipment-hoisting of the unclosed building of proximity - Google Patents
The foundation reinforcing structure and method of the Heavy Equipment-hoisting of the unclosed building of proximity Download PDFInfo
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- CN110306524A CN110306524A CN201910584848.6A CN201910584848A CN110306524A CN 110306524 A CN110306524 A CN 110306524A CN 201910584848 A CN201910584848 A CN 201910584848A CN 110306524 A CN110306524 A CN 110306524A
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- steel
- steel pipe
- frame column
- hoisting
- pipe frame
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/02—Sheet piles or sheet pile bulkheads
- E02D5/03—Prefabricated parts, e.g. composite sheet piles
- E02D5/04—Prefabricated parts, e.g. composite sheet piles made of steel
- E02D5/08—Locking forms; Edge joints; Pile crossings; Branch pieces
Abstract
The invention discloses the foundation reinforcing structures and method of the Heavy Equipment-hoisting of the unclosed building of proximity, it solves the problems, such as that loop wheel machine lifting can generate soil lateral pressure to unclosed building in the prior art, it is effectively transmitted with that loop wheel machine can be lifted load, the beneficial effect that Heavy Equipment-hoisting load has an adverse effect to the unclosed building of proximity can be evaded, its scheme is as follows: the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity, including vertically arranged steel sheet pile, it is divided into two rows, two rows of steel sheet piles are respectively arranged on the left and right sides of unclosed building side wall in foundation pit；First connector is attached between two rows of steel sheet piles by the first connector, and the first connector is layered and is equipped with several layers；Several steel pipe frame column structures between two rows of steel sheet piles, steel pipe frame column structure are same vertically arranged to carry out vertical power transmission；The soil body is backfilled, layering is filled between two rows of steel sheet piles and steel pipe frame column.
Description
Technical field
The present invention relates to equipment hoisting technical field, more particularly to the Heavy Equipment-hoisting of the unclosed building of proximity
Foundation reinforcing structure and method.
Background technique
The heave-load device lifting of proximity constructure body structure mostly carries out after the completion of constructure body structure is constructed, and is handing over
In the complex environment for pitching construction, before the not formed integrally closed structure of constructure body structure affected by many factors, such as subway
It stands in construction project, shield machine quality is big, needs to come out from shield receiving end by equipment hoisting, in this case, slope is opened
The deep basal pit of digging not yet backfills, and unclosed building side is all the deep basal pit not backfilled, i.e., the side of building main body is not
There are consolidated subsoils, and are directly arranged lifting equipment by backfill, and one facilitates the quality of backfill soil body problem if it exists, directly
Hoisting Security risk is increased, on the other hand, what lifting equipment completed not yet construction by the backfill soil body in hoisting process
Building generates certain lateral pressure, and lateral pressure can have an adverse effect to unclosed building, is likely to result in building produce
Raw crack, or even influence whether the service life for not yet building the major structure of construction of completion, after will cause calamity when serious
Fruit.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides the ground of the Heavy Equipment-hoisting of the unclosed building of proximity
Base ruggedized construction can be arranged interim retaining wall in backfill side, improve the stability of the backfill soil body, and pass through steel pipe cylindricality
At Force transmission parts, by loop wheel machine to the stress transfer of the backfill soil body to subterranean strata, to reduce the stratum side pressure that lifting load generates
Adverse effect of the power to unclosed station main structure.
The concrete scheme of the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity is as follows:
The foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity, comprising:
Vertically arranged steel sheet pile, is divided into two rows, and two rows of steel sheet piles are respectively arranged on unclosed building side wall in foundation pit
The left and right sides；
First connector is attached between two rows of steel sheet piles by the first connector, and the first connector is layered and sets
There are several layers；
Several steel pipe frame column structures between two rows of steel sheet piles, steel pipe frame column structure it is same it is vertically arranged with into
The vertical power transmission of row；
The soil body is backfilled, layering is filled between two rows of steel sheet piles, backfills the height of the soil body lower than steel pipe frame column structure
Top setting.
Above-mentioned foundation reinforcing structure is integrally formed the ground of a reliable reinforcement type, passes through setting for two rows of steel sheet piles
It sets, is reliably connected by the first connector, constitute interim retaining wall in longitudinal foundation pit direction and building side-walls in this way, effectively
The force stability of the backfill soil body is improved, the setting of steel pipe frame column can be used as Force transmission parts, will be arranged at the top of backfill
Lifting equipment such as loop wheel machine to the stress of backfill, the rock stratum of foundation pit lower part is transferred to by steel pipe frame column, to effectively keep away
The lateral pressure that lifting equipment generates unclosed fabric structure in hoisting process is exempted from.
Further, in order to facilitate the setting of steel sheet pile, the bottom of foundation ditch soil body is inserted into the steel sheet pile bottom of each row
It is interior, it can effectively facilitate the setting of the first connector, while being conducive to improve the force stability of steel sheet pile.
Further, the steel sheet pile includes several Larsen plates mutually fastened, and Larsen plate section is U-shaped, mutual fastening
Larsen plate be conducive to improve steel sheet pile bending stiffness.
Further, first connector is wirerope, and the both ends of wirerope are respectively and on the outside of the steel sheet pile
The first I-steel be attached, the setting number of plies of wirerope and the setting number of plies of the first I-steel are identical, Larsen plate be equipped with open
Hole facilitates wirerope both ends to fix convenient for steel wire penetrating by the setting of the first I-steel, and improves the steady of Larsen plate stress
Qualitative, the setting of the first I-steel transverse direction is simultaneously vertical with Larsen plate.
Further, the steel pipe frame column structure of everywhere includes at least one steel pipe, is filled in steel pipe mixed
Solidifying soil, to improve the intensity of steel pipe frame column, the first steel plate is arranged in steel pipe frame column structural base, and the first steel plate passes through foundation pit
The second steel plate, and two steel adjacent in the steel pipe frame column structure of everywhere are arranged in bottom surface support, steel pipe frame column structural top
Pipe is connected by the second connector.
Further, the second connector is the second I-steel, is equipped with multiple rows of second connector between two adjacent steel pipes,
Second I-steel is laterally arranged, and is mutually perpendicular to the setting direction of steel pipe.
Further, in order to further increase the setting reliability of the second steel plate, second steel plate and steel pipe welding are in succession
It connects, equally, the bottom end of the first steel plate and steel pipe is welded, and the size of the first steel plate and the second steel plate is all larger than corresponding steel pipe lattice
The size of steel pipe in rod structure, and the second steel plate is reserved with concrete pouring hole.
Further, the steel pipe frame column structure of everywhere includes three steel pipes, and three steel pipes constitute equilateral three
Three angular points are configured, and are conducive to the stability for improving steel pipe frame column structure, are equipped with Grouting Pipe, Grouting Pipe between steel pipe
For mini-valve tube, length meets slip casting requirement, the center of three steel pipes and the center one of loop wheel machine such as truck crane supporting leg
It causes.
Further, the steel pipe frame column structure includes that at least everywhere, steel pipe frame column structure constitutes rectangle everywhere
Four points are configured, and the center of steel pipe frame column structure is consistent with the center that truck crane supporting leg stretches out entirely everywhere,
Effectively stress of the truck crane stabilizer blade to ground can be transmitted downwards, the lateral force that lifting equipment generates is subjected to dispersion biography
It is delivered to bottom of foundation ditch rock stratum.
Further, concrete strengthening layer is set at the top of the backfill soil body and the steel pipe frame column structure, mixes
Solidifying soil reinforcing layer includes steel mesh, in steel mesh lower layer's steel mesh be affixed on the second steel plate be provided be conducive to by concrete strengthening layer with
Steel pipe frame column structure is connected as one, and places support truck crane supporting leg on the surface of the corresponding concrete strengthening layer of the second steel plate
Square chest.
The present invention also provides the heavy equipments of the unclosed building of proximity (atop part closing, atop part are unclosed)
The reinforcement means of the foundation reinforcing structure of lifting, including following content:
In foundation pit bottom surface, the first steel plate, and the steel pipe of vertically arranged steel pipe frame column structure, adjacent steel pipe lattice are set
Rod structure interval is arranged by set distance；
Row's steel sheet pile is respectively arranged in the two sides (left and right sides) of unclosed building side wall in foundation pit；
It is attached between two rows of steel sheet piles by the way that the first connector is arranged, the layering setting of the first connector connects first
During fitting layering setting, the soil body gradually is backfilled between two rows of steel sheet piles；
When the soil body is backfilled to steel pipe top, the second steel plate is set in steel pipe top, is backfilled as defined in the soil body and rolling reaches
Absolute altitude after compactness is consistent with the second steel plate.
The reinforcement means of the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of above-mentioned proximity, can be arranged
Stable foundation reinforcing structure, not only ensure that the safety of unclosed building, and also having evaded lifting equipment erect-position region may
Because foundation pit backfill quality caused by Hoisting Security risk.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention can sufficiently improve the stability of foundation reinforcing structure by the setting of whole foundation reinforcing structure,
Hoisting Security risk caused by quality, and foundation stabilization knot may be backfilled because of foundation pit by effectively having evaded lifting equipment erect-position region
The mode of transfer force of structure can evade lifting load to the lateral pressure of building, guarantee the safety of unclosed building.
2) present invention passes through the setting of steel plate pilework and the first connector, not only constitutes the lateral earth-retaining of the backfill soil body
Wall, and improve the strength and stability of backfill soil body transverse direction.
3) present invention passes through the setting of steel pipe frame column structure, can be by lifting load transmitting as vertical force transferring structure
The vertical steady of foundation structure is improved to the holding force rock stratum of bottom of foundation ditch to evade lifting load to the lateral pressure of building
It is qualitative.
Detailed description of the invention
The Figure of description for constituting a part of the invention is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.
Station and foundation pit status schematic cross section in Fig. 1 embodiment of the present invention；
Loop wheel machine basement process schematic cross section in Fig. 2 embodiment of the present invention；
Loop wheel machine basement process horizontal plane schematic diagram in Fig. 3 embodiment of the present invention；
Retaining wall schematic cross section in Fig. 4 embodiment of the present invention；
Retaining wall level schematic diagram in Fig. 5 embodiment of the present invention；
Steel pipe frame column structural plan schematic diagram in Fig. 6 embodiment of the present invention；
Steel pipe frame column texture edge schematic diagram in Fig. 7 embodiment of the present invention；
The top view of loop wheel machine in Fig. 8 embodiment of the present invention；
In figure: 1. concrete strengthening layers, the 2. backfill soil bodys, 3. truck cranes, 4. temporary storage platforms, 5. crawler cranes, 6. station masters
Body structure, 7. steel sheet piles, 8. steel pipes, 9. grouting sleeve valve pipes, 10. wirerope, 11. foamed bricks, the 12. back-pressure earthwork, 13. first works
Word steel, 14. concrete, 15. second I-steel, 16. first steel plates, 17. second steel plates, 18. square chests, 19. truck crane supporting legs.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the present invention.Unless another
It indicates, all technical and scientific terms used herein has usual with general technical staff of the technical field of the invention
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As background technique is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this hair
The foundation reinforcing structure of the bright Heavy Equipment-hoisting for proposing the unclosed building of proximity, with reference to the accompanying drawings of the specification, to this
Invention is further elaborated.
In a kind of typical embodiment of the invention, as shown in Figure 1, certain railway traffic engineering shield machine maximum package quality
It for anterior shield 130t, middle shield 120t, is lifted, the receiving end main structure that shield receives station only completes about 30m, non-shape
At closing overall structure, foundation depth 20m, station pit is three-level slope excavation, and wherein slope platform in the second level is more negative than station
Two layers of high 1m of top plate, station negative one layer height 8.5m, station top plate design thickness of earth covering 4m, and station side is foundation pit, can not be by
Conventional hanging method carries out the lifting construction of shield machine component.
In order to lift to the Suporting structure inside unclosed station, 350t crawler crane 5, the shoe is arranged in top AT STATION
Band hangs 5 temporary storage platforms 4 that Suporting structure is hung to crawler crane side, then by the loop wheel machine such as 500t truck crane set on station side
3 are lifted, which needs certain plane space, and otherwise truck crane can not pass in and out and lifting operation in foundation pit,
Therefore the present embodiment proposes the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity, which includes vertical
The steel sheet pile 7 of setting, is divided into two rows, and two rows of steel sheet piles 7 are respectively arranged on the left and right sides of unclosed station end side wall in foundation pit；
First connector is attached between two rows of steel sheet piles 7 by the first connector, and the first connector is layered and is equipped with several
Layer；Several steel pipe frame column structures between two rows of steel sheet piles 7, steel pipe frame column structure are same vertically arranged to be erected
To power transmission；The soil body 2 is backfilled, layering is filled between two rows of steel sheet piles 7, and the height of the backfill soil body 2 is lower than steel pipe frame column structure
Top setting.
In order to facilitate the setting of steel sheet pile, in 7 bottom of the steel sheet pile insertion bottom of foundation ditch soil body of each row, close to station master
Sand pocket is arranged in position of 6 side wall of body structure not less than 2m, to evade because steel sheet pile sets the adverse effect to station structure, steel plate
The earthwork is backfilled between stake and station main structure side wall, backfills the station main body side wall position at the earthwork by station structure requirement waterproof
It handles and backfills the earthwork after building foamed brick 11；Steel sheet pile 7 include several Larsen plates mutually fastened, Larsen plate section be it is U-shaped,
The Larsen plate mutually fastened is conducive to improve the bending stiffness of steel sheet pile 7, and the first connector divides the drawing of multilayer multiple row connection two sides
Gloomy plate, in some embodiments, according to the local environmental conditions of practice of construction, on the outside of the one or both sides steel sheet pile of steel sheet pile
The back-pressure earthwork 12 is set, the stability for improving steel sheet pile is conducive to.
First connector is wirerope 10, and as shown in Figure 4 and Figure 5, the both ends of wirerope 10 are respectively and outside steel sheet pile 7
First I-steel 13 of side is attached, and the setting number of plies of wirerope 10 is identical as the setting number of plies of the first I-steel 13, Larsen
Plate is equipped with aperture and facilitates 10 both ends of wirerope to be fixed, the first work by the setting of the first I-steel 13 convenient for steel wire penetrating
Word steel is laterally arranged and perpendicular to Larsen plate, and 10 both ends of wirerope are fixed by rope card, first by one end of wirerope 10 and the first work
Word steel 13 with rope card be connected and fixed after, the wirerope other end bypass the first I-steel 13 after tensed with euphroe after with rope fix
It is fixed.
The steel pipe frame column structure of everywhere includes at least one steel pipe 8, concrete is filled in steel pipe 8, to mention
The first steel plate 16, the first steel plate 16 is arranged in the intensity of high steel pipe frame column, in some embodiments, steel pipe frame column structural base
It is supported by foundation pit bottom surface, the second steel plate 17, and phase in the steel pipe frame column structure of everywhere is arranged in steel pipe frame column structural top
Two adjacent steel pipes 8 are connected by the second connector.Second connector is the second I-steel 15, is set between two adjacent steel pipes
There is multiple rows of second connector, the laterally setting of the second I-steel 15 is mutually perpendicular to the setting direction of steel pipe 8.
Further, in some embodiments, as shown in Fig. 2, the top setting of steel pipe frame column structure and the backfill soil body is mixed
Solidifying soil reinforcing layer 1, concrete strengthening layer 1 and the second steel plate 17 and steel pipe frame column structure constitute an organic unity body, into one
Step improves the intensity of foundation reinforcing structure, plays the role of lifting load being transmitted to bottom of foundation ditch rock stratum.
First steel plate 16 is the thick steel plate of 1000 × 1000 × 20mm, and the second steel plate 17 is the thickness of 1000 × 1000 × 20mm
φ 200mm concrete pouring hole is reserved at steel plate, 17 center of the second steel plate, and steel pipe height is consistent with backfill soil body height, concrete
Square chest 18 is arranged in reinforcing layer top and lattice steel pipe column corresponding position, in favor of uniformly transferring for lifting load.3 steel pipes 8 are used
The laterally reliable welding of 20 I-steel, forms steel pipe frame column；Pre-buried no less than 4 50 sleeve valve grouting pipes of φ, pour mixed between steel pipe 8
By pouring hole casting concrete into steel pipe 8 while solidifying soil reinforcing layer, after concrete strengthening layer intensity reaches 50% or more
Carry out the compactness that mini-valve tube static pressure grouting further increases the soil body between steel pipe.
In order to further increase the setting reliability of the second steel plate 17, the second steel plate 17 is welded to connect with steel pipe 8, equally,
The bottom end welding with steel pipe 8 of first steel plate 16.The steel pipe frame column structure of everywhere includes three steel pipes 8, such as Fig. 6 and figure
Shown in 7, three points that three steel pipes 8 constitute equilateral triangle are configured, three arrangements in equilateral triangle of steel pipe 8, center
Away from 1.5m.Steel pipe frame column structure includes that at least everywhere, four points that steel pipe frame column structure constitutes rectangle everywhere are configured,
It is consistent with the center that four supporting legs of lifting equipment such as truck crane stretch out entirely in this way, can effectively by truck crane stabilizer blade over the ground
The stress of base is transmitted downwards, and the lifting load that lifting equipment generates is passed down to the supporting course of bottom of foundation ditch.
Above-mentioned foundation reinforcing structure, is integrally formed the ground of a reinforcement type, and intensity stabilization passes through two rows of steel sheet piles
Setting, is reliably connected by the first connector, is provided with interim retaining wall at two in foundation pit longitudinal direction in this way, retaining wall at two,
Building side wall, excavation slope constitute an enclosure space, backfill the soil body in the space, effectively increase the steady of the backfill soil body
Qualitative, the setting of steel pipe frame column can be used as Force transmission parts, by the lifting equipment such as loop wheel machine being arranged at the top of backfill to backfill
The stress of soil, the rock stratum of foundation pit lower part is transferred to by steel pipe frame column, to effectively prevent lifting equipment in hoisting process
In to fabric structure generate lateral pressure.
The present invention also provides the reinforcement means of the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity,
Including following content:
1) the truck crane erect-position region 500t and peripheral space are cleared up, confirmation needs to backfill the height of the soil body, the side excavated
The back-pressure range of slope and side slope confirms volume of earthwork.
2) the 500t truck crane radius of turn and erect-position spatial position determined according to shield Hoisting Program requires, in conjunction with 500t
The planar dimension that truck crane outer dimension and supporting leg stretch out entirely determines planar central that four supporting legs stretch out entirely away from according to supporting leg
The size unwrapping wire of padded square chest is accurate to determine 500t truck crane erect-position planar dimension.
3) according to the erect-position spatial dimension of determining 500t truck crane, the boundary for the ground that needs reinforcement is marked, in scribing line position
It sets and sets steel sheet pile, close to station main structure not less than sand pocket substitution steel sheet pile is stacked in the range of 2m, evade steel sheet pile and beat
It is steady to improve the soil body on the outside of steel sheet pile if suitably backfilling the back-pressure earthwork 12 on the outside of steel sheet pile to the adverse effect of station structure
It is qualitative.
According to construction site actual conditions, construction, conceptual design requires and Around actual conditions, as shown in Figure 3
" the back-pressure earthwork 12 " region, that is, steel sheet pile construction scene north side region backfills the part soil body, and the stress for further increasing steel sheet pile is steady
It is qualitative.
4) 6 side of main structure is being backfilled highly according to the completion construction of station main body waterproof requirement by design requirement AT STATION
The construction of station main structure protective layer is completed in range, and by design scheme requirement checking and accepting.
5) according to determining 500t truck crane erect-position position, original ground bearing capacity situation is detected, is confirmed according to testing result
Whether reinforcing is needed.Be laid within the scope of determining erect-position by fixed Scheme of Strengthening and be reliably fixed several pieces 1000 ×
1000 × 20mm thick steel plate reliably welds φ 609 × 16mm steel pipe at every piece of steel plate center, and steel pipe is according to the three of equilateral triangle
A point is arranged, and need to guarantee that verticality meets design requirement.
6) 20# I-steel is welded between 3 609 steel pipes of φ by the spacing of design, complete steel pipe frame column, at every
A 50 sleeve valve grouting pipe of φ is laid on the outside of 609 steel pipe of φ, 1 50 sleeve valve grouting pipe of φ, sleeve are laid in the center of 3 steel pipes
Valve Grouting Pipe is reliably fixed and properly protects, and guarantees that sleeve valve grouting pipe is not damaged when soil body backfill.
7) after lattice steel pipe column completes, the center size and 500t of confirmation many places steel pipe frame column are checked again for
The consistency for the planar central size of truck crane supporting leg stretched out entirely checks that the fixing situation of steel pipe frame column, mini-valve tube are consolidated
Fixed and protection situation.
8) by the back-filling in layers soil body on the inside of design requirement steel pipe frame column, compactness is compacted and detected by design requirement, the
After the detection of one layer of backfill soil body compactness is met the requirements, by design requirement, the first I-steel is placed on the outside of steel sheet pile, two sides the
One I-steel is connected with 20 wirerope of φ, is first fixed the first I-steel of one end with wirerope with buckle, other end wirerope is worn
It is fixed again with buckle after using euphroe tense wire rope after good.
9) soil body backfilled by step 8) requirement, rolled, place wirerope 10 by designed elevation.It is wanted according to the backfill of design
It asks, the height for backfilling the soil body 2 can be 4m, detect compactness again after the completion of soil body backfill.It needs to prevent in soil body roller compaction process
Steel pipe frame column is knocked, while monitoring the sand pocket misalignment at station main structure 6, according to the station of 500t truck crane
The stress condition of position and lifting load, should gently press at station main structure 6, guarantee station main structure 6 from outer side
Pressure influence；1m range should be rolled by the pressure of design requirement on the inside of the steel sheet pile of two sides.
10) soil body backfill is completed, and the second steel of 1000 × 1000 × 20mm is welded at the top of each steel pipe 8 of steel pipe frame column
φ 200mm concrete pouring hole is reserved at plate, the steel plate center, and the second steel plate is consistent with backfill soil body height；At the station of truck crane
Position region is the top assembling reinforcement for backfilling the soil body, and the reinforcing bar on steel pipe frame column top is located at the top of the second steel plate, and reinforcing bar is tied up
Reserved mini-valve tube should be protected from damage during bundle；Construction concrete strengthening layer 1 behind reinforcing bar binding outside, while into steel pipe 8
Concrete perfusion and guarantee it is good vibrate, concrete strengthening layer 1 and steel pipe frame column form whole force transferring structure, in this way
The lifting load of 500t truck crane passes to the mud of foundation pit lower part by loop wheel machine supporting leg, square chest, concrete strengthening layer, steel pipe frame column
Rock supporting course.
11) concrete strengthening layer is conserved after the completion of pouring by technical requirements, when intensity is not less than the 50% of design requirement, is led to
It crosses pre-buried sleeve grouting valve pipe and carries out static pressure grouting, to improve the compactness of the soil body between lattice steel pipe frame column, grouting pressure is unsuitable
Higher than 4bar.
12) after concrete slab reaches design strength, start Suporting structure lifting construction.500t truck crane is marched into the arena to be wanted by erect-position
It seeks erect-position, installation counterweight, check suspender, lockset, complete checking and accepting, the lifting work of relevant device is carried out by truck crane.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity characterized by comprising
Vertically arranged steel sheet pile, is divided into two rows, and two rows of steel sheet piles are respectively arranged on the left and right sides of unclosed building in foundation pit；
First connector is attached between two rows of steel sheet piles by the first connector, and if the first connector be layered and be equipped with
Dried layer；
Several steel pipe frame column structures between two rows of steel sheet piles, steel pipe frame column structure are same vertically arranged to be erected
To power transmission；
The soil body is backfilled, layering is filled between two rows of steel sheet piles, and the height for backfilling the soil body is lower than the top of steel pipe frame column structure
Setting.
2. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 1, feature
It is, in the steel sheet pile bottom insertion bottom of foundation ditch soil body of each row.
3. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 1, feature
It is, the steel sheet pile includes several Larsen plates mutually fastened, and Larsen plate section is U-shaped.
4. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 1, feature
Be, first connector be wirerope, the both ends of wirerope respectively be set to the steel sheet pile on the outside of the first I-steel
It is attached.
5. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 1, feature
It is, the steel pipe frame column structure of everywhere includes at least one steel pipe, is filled with concrete, steel pipe lattice in steel pipe
The first steel plate is arranged in rod structure bottom, and the second steel plate, and everywhere steel pipe frame column structure is arranged in steel pipe frame column structural top
In adjacent two steel pipes pass through the second connector and connect.
6. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 5, feature
It is, the second connector is the second I-steel, is equipped with multiple rows of second connector between two adjacent steel pipes；Second steel plate
It is connect with steel-pipe welding, and the second steel plate is reserved with concrete pouring hole.
7. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 1, feature
It is, concrete strengthening layer is set at the top of the backfill soil body and the steel pipe frame column structure.
8. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 5, feature
It is, the steel pipe frame column structure of everywhere includes three steel pipes, and three steel pipes constitute three points of equilateral triangle
It is configured, Grouting Pipe is equipped between steel pipe.
9. the foundation reinforcing structure of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 5, feature
It is, the steel pipe frame column structure includes that at least everywhere, four points that steel pipe frame column structure constitutes rectangle everywhere are set
It sets, the center of steel pipe frame column structure is consistent with the center that loop wheel machine supporting leg stretches out entirely everywhere.
10. the foundation stabilization of the Heavy Equipment-hoisting of the unclosed building of proximity according to claim 1 to 9
The reinforcement means of structure, which is characterized in that including following content:
In foundation pit bottom surface, the first steel plate, and the steel pipe of vertically arranged steel pipe frame column structure, adjacent steel pipe frame column knot are set
Structure interval is arranged by set distance；
Row's steel sheet pile is respectively arranged in the two sides of unclosed building side wall in foundation pit；
It is attached between two rows of steel sheet piles by the way that the first connector is arranged, the first connector layering setting, in the first connector
During layering setting, the soil body gradually is backfilled between two rows of steel sheet piles；
When the soil body is backfilled to steel pipe top, the second steel plate is set in steel pipe top, at the top of backfill soil body top and the second steel plate
It lays reinforcing bar and pours concrete slab, while the casting concrete into steel pipe.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910584848.6A CN110306524B (en) | 2019-07-01 | 2019-07-01 | Foundation reinforcing structure and method for hoisting heavy equipment close to unsealed building |
| AU2019452705A AU2019452705B2 (en) | 2019-07-01 | 2019-10-11 | Foundation reinforcement structure and method for hoisting heavy equipment close to unclosed building |
| PCT/CN2019/110664 WO2021000444A1 (en) | 2019-07-01 | 2019-10-11 | Foundation reinforcement structure and method for hoisting heavy equipment close to unclosed building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| WO2021000444A1 (en) * | 2019-07-01 | 2021-01-07 | 济南轨道交通集团有限公司 | Foundation reinforcement structure and method for hoisting heavy equipment close to unclosed building |
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| CN113202107A (en) * | 2021-05-18 | 2021-08-03 | 青海送变电工程有限公司 | Intelligent device for excavating all-terrain deep foundation pit |
| CN113882348B (en) * | 2021-09-01 | 2023-02-14 | 武汉市政工程设计研究院有限责任公司 | Method for pre-reinforcing soft soil body of deep soft soil deep foundation pit |
| CN113931228B (en) * | 2021-10-21 | 2023-01-10 | 中天建设集团有限公司 | Material platform construction method for basement construction |
| CN113982035B (en) * | 2021-10-25 | 2023-06-30 | 中国建筑一局(集团)有限公司 | Beam-column conversion structure in reverse construction method and construction method thereof |
| CN115217114B (en) * | 2022-06-24 | 2024-01-16 | 深圳市工勘岩土集团有限公司 | Construction method of foundation pit rescue back pressure platform |
| CN115262584A (en) * | 2022-09-07 | 2022-11-01 | 中国建筑第八工程局有限公司 | Construction method for closing subway deep foundation pit by bins in advance |
| CN115324077A (en) * | 2022-10-13 | 2022-11-11 | 山东飞鸿建设集团有限公司 | Foundation pit protection structure with lattice column supports |
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| CN206110140U (en) * | 2016-10-26 | 2017-04-19 | 杭州市电力设计院有限公司 | A vertical solid that adds that is used for weak soil foundation ditch to put slope excavation greatly |
| CN109723062A (en) * | 2019-01-18 | 2019-05-07 | 济南轨道交通集团有限公司 | Heave-load device hanging apparatus and hanging method based on proximity deep foundation pit construction environment |
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| DE102009007931A1 (en) * | 2009-02-06 | 2010-08-12 | Soiltec Gmbh | Substructure for buildings |
| CN106168031A (en) * | 2016-08-26 | 2016-11-30 | 上海市政工程设计研究总院（集团）有限公司 | A kind of functional steel sheet-pile cofferdam |
| CN107083774A (en) * | 2017-04-17 | 2017-08-22 | 浙江中成建工集团有限公司 | Multiple-layer horizontal connects double steel sheet piling pit supporting construction and its construction method |
| CN110306524B (en) * | 2019-07-01 | 2020-12-18 | 济南轨道交通集团有限公司 | Foundation reinforcing structure and method for hoisting heavy equipment close to unsealed building |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206110140U (en) * | 2016-10-26 | 2017-04-19 | 杭州市电力设计院有限公司 | A vertical solid that adds that is used for weak soil foundation ditch to put slope excavation greatly |
| CN109723062A (en) * | 2019-01-18 | 2019-05-07 | 济南轨道交通集团有限公司 | Heave-load device hanging apparatus and hanging method based on proximity deep foundation pit construction environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021000444A1 (en) * | 2019-07-01 | 2021-01-07 | 济南轨道交通集团有限公司 | Foundation reinforcement structure and method for hoisting heavy equipment close to unclosed building |
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| CN110306524B (en) | 2020-12-18 |
| AU2019452705B2 (en) | 2023-04-06 |
| WO2021000444A1 (en) | 2021-01-07 |
| AU2019452705A1 (en) | 2021-10-07 |
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