CN114164861A - Construction method for underground building composed of wall-sinking foundation - Google Patents

Construction method for underground building composed of wall-sinking foundation Download PDF

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Publication number
CN114164861A
CN114164861A CN202111226335.1A CN202111226335A CN114164861A CN 114164861 A CN114164861 A CN 114164861A CN 202111226335 A CN202111226335 A CN 202111226335A CN 114164861 A CN114164861 A CN 114164861A
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wall
construction
pile
sinking
excavating
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王树生
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Individual
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Priority to CN202111226335.1A priority Critical patent/CN114164861A/en
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Priority to PCT/CN2022/126352 priority patent/WO2023066327A1/en
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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
    • 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
    • E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
    • 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
    • E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/26—Placing by using several means simultaneously
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/0007—Base structures; Cellars

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

The invention discloses a construction method for an underground building consisting of a wall-sinking foundation, which relates to the technical field of underground building construction, wherein the underground building comprises a wall-sinking foundation, groove piles, a top plate, a bottom plate, a connecting body and a construction device, the wall-sinking foundation is an outer wall which integrates a strip foundation under the wall of the building, an underground continuous wall and a structural outer wall, after the construction is completed on the ground, a foundation pit is not dug, the outer wall is directly sunk in place, the adjacent outer walls are connected through the groove piles, the adjacent groove piles and the outer wall are firstly completed through the construction of the groove piles, then the wall-sinking construction of the outer wall is directly performed on the ground, the construction device comprises a wall construction device and a pile-sinking device, the outer wall is hung by the hanging device, the bottom digging device digs rock soil at the bottom of the outer wall, the dug rock soil is excavated through a soil outlet groove, the outer wall is sunk to a set position, the rock soil outlet groove is cleaned, the connecting body is poured, and then performing subsequent construction until all the construction of the building is completed.

Description

Construction method for underground building composed of wall-sinking foundation
Technical Field
The invention relates to the technical field of underground building construction, in particular to a construction method for an underground building consisting of a wall-sinking foundation.
Background
The existing large-scale underground building is constructed by an open cut method, the open cut method needs to firstly open a foundation pit for supporting and lowering water, then the underground building is poured or assembled in the foundation pit, the process is complex, the cost is high, the construction period is long, and the construction method is large for surrounding high-rise buildings.
The existing underground building sinks integrally and sinks by means of self weight, the self weight of the existing underground building is completely pressed on a chain cutter at the bottom, the chain cutter is easy to break, and the driving power is greatly increased; the inclination is easy to generate during descending, and the deviation is difficult to correct; the descending speed, namely the feed amount, can not be controlled, the sinking speed is in an out-of-control state, and the cutter head is easy to wear.
Disclosure of Invention
In view of the problems of the prior art, it is an object of the present invention to provide a construction method for an underground structure composed of a wall-sinking foundation, which solves the above-mentioned problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the underground building comprises a sunk wall foundation, groove piles, a top plate, a bottom plate, a connecting body and a construction device, wherein the sunk wall foundation is an outer wall which integrates a strip foundation, an underground continuous wall and a structural outer wall of the building and directly sinks in place without digging a foundation pit after completing construction on the ground, the adjacent outer walls are connected through the groove piles, the adjacent groove piles and the outer walls are constructed by completing construction of the groove piles firstly and then directly performing sunk wall construction of the outer wall on the ground, the construction device comprises a wall construction device and a sunk pile device, the wall construction device comprises a bottom digging device and a hanging device positioned at the top of the outer wall, when the sunk wall is constructed, the hanging device hangs the outer wall, the bottom digging device digs rock soil at the bottom of the outer wall, the cross section of the upper part of the groove piles comprises soil outlet grooves, the width of the soil outlet grooves is larger than or equal to the thickness of the two ends of the outer wall, the dug rock soil is excavated through the soil outlet grooves, and sinking the outer wall to a set position, cleaning rock soil in the soil outlet groove, pouring a connector, and performing subsequent construction until all construction of the building is completed.
Preferably, the pile sinking device comprises a frame, a pile pressing device, an outer pile drilling machine and an earth outlet pipe, wherein the bottom of the groove pile comprises a positioning hole and an inclined conical surface of the pile bottom of the earth outlet pipe, the earth outlet pipe is positioned in the earth outlet groove outside the groove pile, a drill rod of the outer pile drilling machine is positioned in the earth outlet pipe, a drilling tool positioned at the bottom of the drill rod extends out of the earth outlet pipe, the groove pile is pressed into the lower part by the pile pressing device during pile sinking, the inclined conical surface of the pile bottom extrudes rock soil below to the drilling tool, and the outer pile drilling machine sends the rock soil at the bottom to the upper part through the earth outlet pipe.
Preferably, the bottom excavating device comprises a hydraulic excavating device, the hydraulic excavating device comprises a flushing device and a pumping device, the flushing device comprises a pipeline frame positioned at the bottom of the outer wall, the outer wall is in a suspended state through a hanging device, the pumping device is started, the flushing device at the bottom of the outer wall excavates rock soil, and the excavated rock soil is conveyed to the upper side through the soil discharging groove, so that the sinking operation of the outer wall is realized.
Preferably, the two ends of the outer wall comprise transverse bosses, the bottoms of the transverse bosses comprise wall corner oblique conical surfaces, when the wall is sunk, the rock soil below the wall corner oblique conical surfaces is squeezed to the middle and sent out by the bottom excavating device, the soil discharging groove comprises a C-shaped groove used for being embedded with the outer wall, and the maximum width of the C-shaped groove is larger than or equal to the thickness of the outer wall at the transverse bosses; the wall construction device comprises a template, the outer wall is formed by pouring in the template, and the construction method of the outer wall comprises a construction method A of adopting pouring and sinking at the same time and a construction method B of adopting the construction method B of completing all pouring and then sinking.
Preferably, the building is an underground tunnel, the construction area of the underground tunnel longitudinally comprises a pile construction section, an outer wall construction section, a support construction section, an excavation section, a bottom plate construction section and a top plate construction section, the construction device comprises a temporary support, the construction of the building is performed by flow operation according to the sequence of the construction sections, and the method mainly comprises the following steps:
1) completing construction of the slot pile in the pile construction section;
2) in the construction section of the outer wall: completing the construction of the outer wall; the hanging device hangs the outer wall and slowly descends; excavating rock soil at the bottom of the outer wall by using the bottom excavating device; excavating the excavated rock soil through an earth outlet groove; sinking the outer wall to a set position;
3) completing the construction of temporary support in the support construction section;
4) excavating all rock soil in the outer wall in the excavating section;
5) completing the construction of the bottom plate in the bottom plate construction section;
6) completing the construction of the top plate in the top plate construction section;
7) and (5) dismantling the temporary support, namely completing the whole construction of the underground tunnel.
Preferably, the construction method of the building is a cover excavation method, which mainly comprises the following steps:
1) completing the construction of the slot pile;
2) completing the construction of the outer wall;
3) completing the construction of the top plate;
4) excavating rock soil in the outer wall;
5) and finishing the construction of the bottom plate.
Preferably, the building is a basement, the basement comprises a second-layer basement, the second-layer basement comprises a middle plate, the middle plate comprises a middle plate beam, and the second-layer basement mainly comprises the following construction steps:
1) completing the construction of the slot pile;
2) completing the construction of the outer wall;
3) completing the construction of temporary support above the outer wall;
4) excavating a layer of rock soil with a set depth in the lower outer wall;
5) completing the construction of the middle plate girder;
6) excavating all rock soil in the negative two layers;
7) pouring a bottom plate;
8) completing the construction of the top plate;
9) and finishing the construction of the middle plate, and dismantling the temporary support, namely finishing all the constructions.
Preferably, the building comprises a middle wall positioned between outer walls on two sides, the middle wall comprises a bottom middle wall positioned below a bottom plate and an upper middle wall positioned above the bottom plate, the middle wall comprises a full middle wall and a column middle wall, the bottom middle wall and the upper middle wall in the full middle wall and the bottom middle wall in the column middle wall are of the same structure as the outer walls, the upper middle wall in the column middle wall comprises columns which are longitudinally arranged in the building, longitudinal middle plate beams are longitudinally arranged between adjacent columns, and the diameter of each column and the thickness of each longitudinal middle plate beam are smaller than the thickness of the bottom middle wall; the bottom excavating device comprises a middle wall excavating device, the middle wall excavating device excavates rock soil at the bottom of the middle wall, and the column and the longitudinal middle plate beam synchronously sink together with the middle wall in a groove excavated by the middle wall excavating device.
Preferably, the hanging device comprises a steel strand hydraulic lifting jack, the steel strand hydraulic lifting jack adopts a hydraulic lifter with a core-through structure as a lifting machine tool, wedge-shaped anchors at two ends of the hydraulic lifter have a one-way self-locking function, when the anchors work, the steel strands can be automatically locked, when the anchors do not work, the steel strands are released, the steel strands can move up and down, the steel strand hydraulic lifting jacks synchronously and slowly lift, and the outer wall sinks under a hanging state.
Preferably, the outer wall satisfies different geological conditions by controlling the descending speed of the hanging device when the wall sinking construction is performed.
In conclusion, the wall-sinking foundation is a three-in-one structure, is particularly easy to adopt an assembly type building, can take a permanent top plate, a floor plate or a beam in an underground structure as a support, can replace a traditional pile foundation with a strip foundation under the wall for the wall-sinking foundation, can also play a role of a waterproof curtain, and is a foundation-pit-free and support-free rapid wall-sinking construction method.
Compared with the integral sinking of the building, the invention has large self weight, reduces the weight of sinking construction of a single structural member through the split structure of the groove pile and the wall, increases the hanging device, has controllable sinking speed and does not incline.
Drawings
Fig. 1 is a plan view of an underground building 1, which is also a schematic structural view of an outer wall 2A, a slot pile 3, a ceiling 1-1 and a connector 1-3 constituting the building 1;
fig. 2 is a view from a direction a of fig. 1, and is a schematic structural view of the construction device 4 sinking the outer wall 2A after the construction of the slot pile 3 is completed, and is a schematic structural view of the bottom excavating device 5 excavating the bottom rock soil by using a chain cutter;
fig. 3 is a schematic structural view of pile sinking device 4B sinking groove piles 3, and is also a schematic structural view of a portion of outer wall 2A already constructed between two groove piles 3;
FIG. 4 is a view A-A of FIG. 1, which is also a schematic structural diagram of the external drilling machine 4B-3 excavating a large area of rock and soil at the bottom of the slot pile 3 through the drilling tool 4B-3-2 at the bottom of the drill rod 4B-3-1, and rock and soil at other areas extruding the rock and soil below to the drilling tool 4B-3-2 through the oblique conical surface 3-3 at the bottom of the pile;
fig. 5 is a top view of the slot pile 3;
fig. 6 is a schematic structural view of the construction in which the outer wall 2A is sunk by the hydraulic excavation device 5A;
FIG. 7 is a view A-A of FIG. 6, also showing the configuration of the flushing device 5A-1;
FIG. 8 is a schematic structural view of the outer wall 2A constructed by sinking the rock soil at the bottom by the rope saw 5B composed of the chain 5B-1 and the cutter 5B-2;
FIG. 9 is a left side view of FIG. 8, which is also a schematic structural view of the bottom of the transverse boss 2-1 having a wall corner tapered surface 2-1-1;
FIG. 10 is a schematic structural view of the lateral boss 2-1 of the outer wall 2A being embedded in the C-shaped groove 3-1C of the slot pile 3;
FIG. 11 is a schematic view of the exterior wall 2A cast within the form 4-2;
FIG. 12 is a schematic structural view of the construction area 6 including a pile construction section 6-1, an exterior wall construction section 6-2, a supporting construction section 6-3, an excavation section 6-4, a floor construction section 6-5, and a roof construction section 6-6 in a longitudinal direction;
FIG. 13 is a view A-A of FIG. 12;
fig. 14 is a schematic structural view of the roof panel 1-1 constructed after the construction of the outer wall 2A by a cover-excavation method;
FIG. 15 is a schematic structural view showing that after the construction of the top plate 1-1 is completed, internal rock soil is excavated, and then the construction of the bottom plate 1-2 is completed;
fig. 16 is a schematic structural view of the building 1 including the column-in-column wall 9B between the two side exterior walls 2A;
FIG. 17 is a view A-A of FIG. 16, also showing the construction of the column middle wall 9B from the bottom middle wall 9-1 located below the floor 1-2 and the upper middle wall 9-2 located above;
FIG. 18 is a view C-C of FIG. 16, also showing a schematic construction including longitudinally arranged longitudinal center sills 1-4-1X between adjacent columns 9-2-1;
fig. 19 is a schematic structural view of the middle wall excavating device 59 excavating the rock soil at the bottom of the middle wall 9;
fig. 20 is a schematic structural view of the building 1 including the full middle wall 9A;
FIG. 21 is a view B-B of FIG. 20;
FIG. 1 is a building; 11 is an underground tunnel; 12 is a basement; 12A is a two-storey basement; 2, a wall foundation; 1A is a strip foundation under the wall; 1B is underground diaphragm wall; 1C is a structural exterior wall; 1-1 is a top plate; 1-2 is a base plate; 1-3 are linkers; 1-4 is a middle plate; 1-4-1 is a middle plate girder; 1-4-1X is a longitudinal middle plate girder; 2A is an exterior wall; 2X is a longitudinal exterior wall; 2Y is a transverse outer wall; 2-1 is a transverse boss; 2-1-1 is a wall corner oblique conical surface; 3 is a groove pile; 3-1 is a soil outlet groove; 3-1C is a C-shaped groove; 3-2 is a positioning hole; 3-3 is a pile bottom oblique conical surface; 4 is a construction device; 4-1 is a hanging device; 4-1A is a steel strand hydraulic lifting jack; 4A is a wall construction device; 4B is a pile sinking device; 4B-1 is a frame; 4B-2 is a pile pressing device; 4B-3 is an out-pile drilling machine; 4B-4 is a soil outlet pipe; 4-2 is a template; 4-3 is a temporary support; 5 is a bottom excavation means; 5A is a hydraulic excavating device; 5A-1 is a flushing device; 5A-1-1 is a pipeline frame; 5A-2 is a pumping device; 5B is a rope saw; 5B-1 is a chain; 5B-2 is a cutter; 59 is a middle wall excavating device; 6 is the construction area; 6-1 is a pile construction section; 6-2 is an external wall construction section; 6-3 is a supporting construction section; 6-4 is an excavation section; 6-5 is a bottom plate construction section; 6-6 is a roof construction section; 9 is a middle wall; 9-1 is a bottom middle wall; 9-2 is an upper middle wall; 9A is a full middle wall; 9B is a column-in-wall; 9-2-1 is a column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1 to 21, in the embodiment of the present invention, an underground building 1 includes a wall foundation 2, a groove pile 3, a top plate 1-1, a bottom plate 1-2, a connector 1-3 and a construction device 4, the wall foundation 2 is an outer wall 2A which is formed by combining three walls of a strip foundation 1A under the wall, an underground continuous wall 1B and a structural outer wall 1C of the building 1 and directly sinks in place without digging a foundation pit after completing construction on the ground, adjacent outer walls 2A are connected by the groove pile 3, the adjacent groove piles 3 and the outer walls 2A are directly constructed on the ground after completing construction of the groove pile 3, the construction device 4 includes a wall construction device 4A and a pile sinking device 4B, the wall construction device 4A includes a bottom digging device 5 and a hanging device 4-1 positioned on the top of the outer wall 2A, the hanging device 4-1 hangs the outer wall 2A during construction, the bottom excavating device 5 excavates rock soil at the bottom of the outer wall 2A, the cross section of the upper portion of the groove pile 3 comprises an earth outlet groove 3-1, the width of the earth outlet groove 3-1 is larger than or equal to the thickness of two ends of the outer wall 2A, two ends of the outer wall 2A are embedded into the earth outlet groove 3-1, excavated rock soil is excavated through the earth outlet groove 3-1, the outer wall 2A sinks to a set position, the rock soil in the earth outlet groove 3-1 is cleaned, the connector is poured 1-3, and then subsequent construction is carried out until all construction of the building 1 is completed.
The pile sinking device 4B comprises a frame 4B-1, a pile pressing device 4B-2, an external pile drilling machine 4B-3 and an unearthed pipe 4B-4, the bottom of the groove pile 3 comprises a positioning hole 3-2 of the unearthed pipe 4B-4 and an inclined conical surface 3-3 of the pile bottom, the unearthed pipe 4B-4 is positioned in the unearthed groove 3-1 outside the groove pile 3, a drill rod 4B-3-1 of the external pile drilling machine 4B-3 is positioned in the unearthed pipe 4B-4, a drilling tool 4B-3-2 positioned at the bottom of the drill rod 4B-3-1 extends out of the unearthed pipe 4B-4, when the pile is sunk, the pile pressing device 4B-2 presses the groove pile 3 into the lower part, the inclined conical surface 3-3 at the bottom of the pile extrudes the rock soil at the lower part to the drilling tool 4B-3-2, and the drilling machine 4B-3 outside the pile sends the rock soil at the bottom to the upper part through the soil outlet pipe 4B-4; the pile pressing device 4B-2 comprises an impact hammer, a vibration hammer and a static pressure device.
The bottom excavating device 5 comprises a hydraulic excavating device 5A, the hydraulic excavating device 5A comprises a flushing device 5A-1 and a pumping device 5A-2, the flushing device 5A-1 comprises a pipeline frame 5A-1-1 located at the bottom of the outer wall 2A, the outer wall 2A is in a suspended state through a hanging device 4-1, the pumping device 5A-2 is started, the flushing device 5A-1 at the bottom of the outer wall 2A excavates rock soil, and the excavated rock soil is conveyed to the upper side through a soil outlet groove 3-1, so that the sinking operation of the outer wall 2A is realized.
It should be noted that: as shown in fig. 8 and 9, the bottom excavating device 5 can also adopt a rope saw 5B structure, the rope saw 5B consists of a chain 5B-1 and a cutter 5B-2, the rope saw 5B positioned at the bottom of the outer wall 2A excavates the rock soil, and the rope saw 5B from bottom to top in the unearthing groove 3-1 brings the excavated rock soil to the top.
The two ends of the outer wall 2A comprise transverse bosses 2-1, the bottoms of the transverse bosses 2-1 comprise corner oblique conical surfaces 2-1-1, when the wall is sunk, the lower rock soil is squeezed to the middle by the corner oblique conical surfaces 2-1-1 and is sent out by a bottom digging device 5, the soil discharging grooves 3-1 comprise C-shaped grooves 3-1C used for being embedded with the outer wall 2A, and the maximum width of the C-shaped grooves 3-1C is larger than or equal to the thickness of the outer wall 2A at the positions of the transverse bosses 2-1; the wall construction device 4A comprises a template 4-2, the outer wall 2A is formed by pouring in the template 4-2, and the construction method of the outer wall 2A comprises a construction method A of adopting pouring and sinking at the same time and a construction method B of adopting the construction method B of completing all pouring and then sinking.
As shown in fig. 12 to 13, the building 1 is an underground tunnel 11, the underground tunnel 11 includes a pile construction section 6-1, an outer wall construction section 6-2, a support construction section 6-3, an excavation section 6-4, a bottom plate construction section 6-5 and a top plate construction section 6-6 in the longitudinal direction, the construction device 4 includes a temporary support 4-3, the construction of the building 1 is performed by a flow process according to the sequence of the construction sections, and the main steps are as follows:
1) completing the construction of the slot pile 3 in the pile construction section 6-1;
2) and 6-2 at the construction section of the outer wall: completing the construction of the outer wall 2A; the hanging device 4-1 hangs the outer wall 2A and slowly descends; the bottom excavating device 5 excavates rock soil at the bottom of the outer wall 2A; excavating the excavated rock and soil through an earth outlet groove 3-1; the outer wall 2A sinks to a set position;
3) completing the construction of a temporary support 4-3 in the support construction section 6-3;
4) excavating all rock soil in the outer wall 2A in the excavating section 6-4;
5) completing the construction of the bottom plate 1-2 in the bottom plate construction section 6-5;
6) completing the construction of the top plate 1-1 in the top plate construction section 6-6;
7) and (4) dismantling the temporary supports 4-3, namely completing the whole construction of the underground tunnel 11.
As shown in fig. 14 and 15, the construction method of the building 1 is a cover excavation method, which mainly comprises the following steps:
1) completing the construction of the slot pile 3;
2) completing the construction of the outer wall 2A;
3) completing the construction of the top plate 1-1;
4) excavating rock soil in the outer wall 2A;
5) completing the construction of the bottom plate 1-2;
as shown in fig. 16 to 19, the building 1 is a basement 12, the basement 12 includes a second-floor basement 12A, the second-floor basement 12A includes a middle plate 1-4, the middle plate 1-4 includes a middle plate beam 1-4-1, and the second-floor basement 12A mainly includes the following construction steps:
1) completing the construction of the slot pile 3;
2) completing the construction of the outer wall 2A;
3) completing the construction of a temporary support 4-3 above the outer wall 2A;
4) excavating a layer of rock soil with a set depth in the lower outer wall 2A;
5) completing the construction of the middle plate girder 1-4-1;
6) excavating all rock soil in the negative two layers;
7) pouring a bottom plate 1-1;
8) completing the construction of the top plate 1-1;
9) and (5) completing construction of the middle plates 1-4, and dismantling the temporary supports 4-3 to complete all construction.
It should be noted that: or completing the construction step 8 after completing the construction step 9.
The tunnel 1 comprises a middle wall 9 positioned between outer walls 2A at two sides, the middle wall 9 comprises a bottom middle wall 9-1 positioned below a bottom plate 1-2 and an upper middle wall 9-2 positioned above the bottom plate 1-2, the middle wall 9 comprises a full middle wall 9A and a column middle wall 9B, the bottom middle wall 9-1 and the upper middle wall 9-2 in the full middle wall 9A and the bottom middle wall 9-1 in the column middle wall 9B adopt the same structure as the outer walls 2A, the upper middle wall 9-2 in the column middle wall 9B comprises columns 9-2-1 longitudinally arranged in the tunnel 1, longitudinal middle plate beams 1-4-1X are longitudinally arranged between adjacent columns 9-2-1, and the diameter of the column 9-2-1 and the thickness of the longitudinal middle plate beam 1-4-1X are both smaller than the thickness of the bottom middle wall 9-1; the bottom excavating device 5 comprises a middle wall excavating device 59, the middle wall excavating device 59 excavates rock soil at the bottom of the middle wall 9, and the column 9-2-1 and the longitudinal middle plate beam 1-4-1X sink synchronously with the middle wall 9 in a groove excavated by the middle wall excavating device 59.
The hanging device 4-1 comprises a steel strand hydraulic lifting jack 4-1A, the steel strand hydraulic lifting jack 4-1A adopts a core-penetrating structure hydraulic lifter as a lifting machine tool, wedge-shaped anchors at two ends of the hydraulic lifter have a one-way self-locking function, when the anchors work tightly, the steel strands can be automatically locked, when the anchors do not work loose, the steel strands are released, the steel strands can move up and down, the steel strand hydraulic lifting jacks 4-1A are synchronously and slowly lifted, and the outer wall 2A sinks under a hanging state. It is difficult to generate the offset due to its own huge dead weight.
It should be noted that: because of the huge dead weight of the device, the device is difficult to generate deviation and does not need to be rectified.
When the outer wall 2A is subjected to wall sinking construction, different geological conditions are met by controlling the descending speed of the hanging device 4-1.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the convenience of description of the present invention and for simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the present invention should not be construed as being limited thereto, and it should be noted that the terms "mounted" and "connected" should be interpreted broadly, for example, as being able to be fixedly connected, detachably connected, or integrally formed, mechanically connected or indirectly connected through an intermediate, and the specific meaning of the terms in the invention can be understood through specific situations.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. A construction method for an underground building consisting of a wall sinking foundation is characterized in that the underground building (1) comprises the wall sinking foundation (2), a groove pile (3), a top plate (1-1), a bottom plate (1-2), a connecting body (1-3) and a construction device (4), the wall sinking foundation (2) is an outer wall (2A) which integrates a strip foundation (1A) under a wall, an underground continuous wall (1B) and a structural outer wall (1C) of the building (1) and is directly sunk in place without digging a foundation pit after construction is completed on the ground, the adjacent outer walls (2A) are connected through the groove pile (3), the adjacent groove piles (3) and the outer walls (2A) are firstly constructed through the groove pile (3) and then directly constructed through the wall sinking of the outer walls (2A) on the ground, the construction device (4) comprises a wall construction device (4A) and a pile sinking device (4B), the wall construction device (4A) comprises a bottom digging device (5) and a hanging device (4-1) positioned at the top of the outer wall (2A), when the wall is constructed, the hanging device (4-1) hangs the outer wall (2A), the bottom digging device (5) digs rock soil at the bottom of the outer wall (2A), the section of the upper part of the groove pile (3) comprises a soil outlet groove (3-1), the width of the soil outlet groove (3-1) is more than or equal to the thickness of the two ends of the outer wall (2A), the two ends of the outer wall (2A) are embedded into the soil outlet groove (3-1), excavating the excavated rock soil through the soil outlet groove (3-1), sinking the outer wall (2A) to a set position, cleaning the rock soil in the soil outlet groove (3-1), pouring the connecting body (1-3), and then performing subsequent construction until the whole construction of the building (1) is completed.
2. The construction method for an underground structure composed of a wall-sinking foundation according to claim 1, wherein the pile sinking means (4B) comprises a frame (4B-1), a pile pressing means (4B-2), an out-pile drilling machine (4B-3) and an earth discharging pipe (4B-4), the bottom of the trench pile (3) comprises a positioning hole (3-2) and an oblique conical surface (3-3) of the pile bottom of the earth discharging pipe (4B-4), the earth discharging pipe (4B-4) is positioned in the earth discharging trench (3-1) outside the trench pile (3), the drill rod (4B-3-1) of the out-pile drilling machine (4B-3) is positioned in the earth discharging pipe (4B-4), the drill tool (4B-3-2) positioned at the bottom of the drill rod (4B-3-1) extends out of the earth discharging pipe (4B-4), when the pile is sunk, the pile pressing device (4B-2) presses the groove pile (3) into the lower part, the inclined conical surface (3-3) at the bottom of the pile extrudes the rock soil at the lower part to the drilling tool (4B-3-2), and the drilling machine (4B-3) outside the pile conveys the rock soil at the bottom to the upper part through the soil outlet pipe (4B-4).
3. The construction method for the underground building composed of the sunk wall foundation according to claim 2, wherein the bottom excavating device (5) comprises a hydraulic excavating device (5A), the hydraulic excavating device (5A) comprises a scouring device (5A-1) and a pumping device (5A-2), the scouring device (5A-1) comprises a pipeline bracket (5A-1-1) positioned at the bottom of the outer wall (2A), the outer wall (2A) is in a suspended state through a hanging device (4-1), the pumping device (5A-2) is started, the scouring device (5A-1) at the bottom of the outer wall (2A) excavates the rock soil, and the excavated rock soil is conveyed to the upper side through a soil outlet groove (3-1) to realize the sinking operation of the outer wall (2A).
4. The construction method for the underground building composed of the wall-sinking foundation according to claim 3, characterized in that both ends of the outer wall (2A) comprise transverse bosses (2-1), the bottoms of the transverse bosses (2-1) comprise wall corner inclined conical surfaces (2-1-1), when the wall is sunk, the wall corner inclined conical surfaces (2-1-1) extrude the rock soil below to the middle and are sent out by the bottom excavating device (5), the soil outlet groove (3-1) comprises a C-shaped groove (3-1C) which is used for being embedded with the outer wall (2A), and the maximum width of the C-shaped groove (3-1C) is larger than or equal to the thickness of the outer wall (2A) at the transverse bosses (2-1); the wall construction device (4A) comprises a template (4-2), the outer wall (2A) is formed by pouring in the template (4-2), and the construction method of the outer wall (2A) comprises a construction method A of adopting pouring while sinking and a construction method B of adopting sinking after finishing all pouring.
5. The construction method for an underground building composed of a wall-sinking foundation as claimed in claim 4, wherein the building (1) is an underground tunnel (11), the construction area (6) of the underground tunnel (11) includes a piling construction section (6-1), an outer wall construction section (6-2), a supporting construction section (6-3), an excavating section (6-4), a floor construction section (6-5) and a roof construction section (6-6) in a longitudinal direction, the construction apparatus (4) includes a temporary support (4-3), and the construction of the building (1) is performed in a line-flow manner in the order of the construction sections, which mainly comprises the steps of:
1) completing the construction of the slot pile (3) in the pile construction section (6-1);
2) in the outer wall construction section (6-2): completing the construction of the outer wall (2A); the hanging device (4-1) hangs the outer wall (2A) and slowly descends; the bottom excavating device (5) excavates rock soil at the bottom of the outer wall (2A); the excavated rock soil is excavated through an earth-excavating groove (3-1); the outer wall (2A) sinks to a set position;
3) completing the construction of a temporary support (4-3) in the support construction section (6-3);
4) excavating all rock soil in the outer wall (2A) in the excavating section (6-4);
5) completing the construction of the bottom plate (1-2) in the bottom plate construction section (6-5);
6) the construction of the top plate (1-1) is completed in the top plate construction section (6-6);
7) and (4) dismantling the temporary supports (4-3), namely completing the whole construction of the underground tunnel (11).
6. A method as claimed in claim 5, wherein the construction method of the building (1) is a cover-excavation method, comprising the following steps:
1) completing the construction of the slot pile (3);
2) completing the construction of the outer wall (2A);
3) completing the construction of the top plate (1-1);
4) excavating rock soil in the outer wall (2A);
5) and finishing the construction of the bottom plate (1-2).
7. The construction method for the underground building composed of the sunken wall foundation as claimed in claim 4, wherein the building (1) is a basement (12), the basement (12) comprises a two-storey basement (12A), the two-storey basement (12A) comprises a middle plate (1-4), the middle plate (1-4) comprises a middle plate beam (1-4-1), and the two-storey basement (12A) is constructed by the following steps:
1) completing the construction of the slot pile (3);
2) completing the construction of the outer wall (2A);
3) completing the construction of a temporary support (4-3) above the outer wall (2A);
4) excavating rock soil with a set depth in the lower outer wall (2A);
5) completing the construction of the middle plate girder (1-4-1);
6) excavating all rock soil in the negative two layers;
7) pouring a bottom plate (1-1);
8) completing the construction of the top plate (1-1);
9) and finishing the construction of the middle plates (1-4), and dismantling the temporary supports (4-3), namely finishing the whole construction.
8. The construction method for an underground building composed of a sunk wall foundation as claimed in claim 6 or 7, wherein said building (1) comprises a middle wall (9) between two side outer walls (2A), said middle wall (9) comprises a bottom middle wall (9-1) and an upper middle wall (9-2) respectively positioned below the bottom plate (1-2) and above the bottom plate (1-2), said middle wall (9) comprises both a full middle wall (9A) and a column middle wall (9B), said bottom middle wall (9-1) and said upper middle wall (9-2) in the full middle wall (9A) and said bottom middle wall (9-1) in the column middle wall (9B) are of the same structure as the outer walls (2A), said upper middle wall (9-2) in the column middle wall (9B) comprises columns (9-2-1) arranged longitudinally in the building (1), said longitudinal middle beams (1-4) are arranged longitudinally between adjacent columns (9-2-1) -1X), the diameter of the column (9-2-1) and the thickness of the longitudinal middle plate beam (1-4-1X) are both smaller than the thickness of the bottom middle wall (9-1); the bottom excavating device (5) comprises a middle wall excavating device (59), the middle wall excavating device (59) excavates rock soil at the bottom of the middle wall (9), and the column (9-2-1) and the longitudinal middle plate beam (1-4-1X) sink synchronously together with the middle wall (9) in a groove excavated by the middle wall excavating device (59).
9. The construction method of underground building composed of wall-sinking foundation as claimed in claim 8, wherein said hanging means (4-1) comprises a hydraulic lifting jack (4-1A) of steel strand, the hydraulic lifting jack (4-1A) of steel strand adopts a hydraulic lifter of core-through structure as a lifting machine, the wedge-shaped anchors at both ends of the hydraulic lifter have a unidirectional self-locking function, when the anchors are working, the steel strand is automatically locked, when the anchors are not working, the steel strand is released, the steel strand can move up and down, the hydraulic lifting jacks (4-1A) of steel strand are synchronously slowly lifted, and the external wall (2A) is sunk in a hanging state.
10. The construction method for an underground structure composed of a wall-sinking foundation as claimed in claim 9, wherein the outer wall (2A) is constructed to satisfy different geological conditions by controlling the descending speed of the hanging means (4-1) during the wall-sinking construction.
CN202111226335.1A 2021-10-21 2021-10-21 Construction method for underground building composed of wall-sinking foundation Pending CN114164861A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114164929A (en) * 2021-10-21 2022-03-11 王树生 Wall foundation and construction device thereof
WO2023066327A1 (en) * 2021-10-21 2023-04-27 王树生 Construction method for underground building consisting of sinking wall foundation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1380586A (en) * 1971-02-08 1975-01-15 Redpath Dorman Long North Sea Structure and a method and apparatus for founding a structure
CN1059006C (en) * 1994-09-16 2000-11-29 阎林森 Film water wall sinking method
CA2837863C (en) * 2011-06-03 2020-07-28 Darin R. Kruse Lubricated soil mixing systems and methods
CN106759460A (en) * 2017-03-17 2017-05-31 王燏斌 A kind of constructing device and its construction method for bank basis
CN106759106A (en) * 2017-03-17 2017-05-31 王燏斌 A kind of constructing device and its construction method for revetment
CN207714369U (en) * 2017-03-29 2018-08-10 王燏斌 A kind of assembled hypogee
CN106812156A (en) * 2017-03-29 2017-06-09 王燏斌 A kind of assembled hypogee and its construction method
CN114164861A (en) * 2021-10-21 2022-03-11 王树生 Construction method for underground building composed of wall-sinking foundation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114164929A (en) * 2021-10-21 2022-03-11 王树生 Wall foundation and construction device thereof
WO2023066327A1 (en) * 2021-10-21 2023-04-27 王树生 Construction method for underground building consisting of sinking wall foundation

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