CN106759461B - Resist grand supporting construction - Google Patents
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- CN106759461B CN106759461B CN201611022493.4A CN201611022493A CN106759461B CN 106759461 B CN106759461 B CN 106759461B CN 201611022493 A CN201611022493 A CN 201611022493A CN 106759461 B CN106759461 B CN 106759461B
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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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- Environmental & Geological Engineering (AREA)
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
One kind resisting grand supporting construction, is different from existing resistance supporting structure mechanism.Resist grand supporting construction to there is line style, circle to resist two kinds of grand supporting construction, swells load by hanging arm by the feet and resist grand structure, resist grand divider wall and grand counter weight construction is resisted to undertake.Counterweight resists grand structure type to have three: first is that the grand counter weight construction of agent on crack resistance of concrete；Second is that the soil body resists grand supporting construction；Third is that frozen soil resists grand counter weight construction.The fundamental difference of grand supporting construction and resistance supporting structure is resisted to be, the former is in the construction process, structural measure, which can be used, ensures engineering safety, and to Project Realization dynamic monitoring, terminate human society to underground space development of resources entirely with geological characteristics or so, engineering is dangerous, the history that serious accident takes place frequently.It can affirm, as automobile is regenerated, this century is automobile underground century, underground space development century, and resisting grand supporting construction is to ensure that underground space development is effective " best engineering method ", is come into reality.
Description
Technical field
The invention belongs to supporting construction, Underground Space Resources to develop and use.
Background technique
For many years, human society realizes automobile underground, solves traffic " congestion ", it is ensured that urban sustainable development, it is standby
By countries in the world government and focus of attention.The crux for being unable to automobile underground is that fossil fuel automobile is serious " pollution ", cannot
Ensure that the underground space is environmentally protective.The underground space is serious " pollution ", and automobile underground is obstructed, and leads to city " syndrome ".Two evils
Mutually power takes it light, and international community weighs the advantages and disadvantages to both " pollution " and " syndrome ", receives bitterly city " syndrome ", accepts
City " syndrome ", which is brought, suffers untold misery or even frightening urban transportation, unconditionally accepts city " congestion ", cruel in this way
Real global urban must face, none is escaped by luck.Subway is considered as human society and solves urban transportation " congestion " highest wisdom.Reason
Property is the basis of human development.
This is one situation and that was another.Today, as automobile is regenerated, free of contamination electric car is promoted and applied, and this century is automobile
Underground century, underground space development century are undisputed.But existing resistance supporting structure can not achieve underground space development and apply
Work safety.It can affirm, human society should terminate to underground space development of resources entirely with geological characteristics or so, and engineering is uneasy
Entirely, the history that serious accident takes place frequently.For this purpose, face underground space development century, studies and a kind of brand-new grand supporting construction is resisted to take
It is the task of top priority for existing resistance supporting structure.Resist grand supporting construction to execute by existing code for structural design, can in time carry out
Dynamic monitoring is to ensure that underground space development is effective " best engineering method ", comes into reality.
Summary of the invention
The object of the present invention is to provide a kind of new support theories, can be real efficiently against the defect of existing support theory
Existing urban underground space security development utilizes.One kind resists grand supporting construction to be built upon on the basis of contignation, and stress model is
Horizontal loading-shores the vertical wallboard supporting construction-of porous retaining wall and shores structure, and structure, which has, shores the vertical wallboard of porous retaining wall
Supporting construction, shores structure, resists grand structure and porous retaining wall caisson and its construction method heavy beam stringer.
Further, the vertical wallboard supporting construction of porous retaining wall of shoring is made of multiple porous retaining walls, porous retaining wall
It is made of longitudinal retaining wall and lateral retaining wall；
The porous retaining wall for shoring the vertical wallboard supporting construction of porous retaining wall has porous preforming retaining wall and porous inverse protects
Two kinds of wall；
It is described to shore the vertical wallboard supporting construction of porous retaining wall, by its structure, by porous retaining wall, vertical wallboard and stringer group
At；
The porous of the porous retaining wall has two kinds of safety vent and unearthed hole；
The porous quantity of the porous retaining wall is determined according to geological characteristics and supporting depth；
The size in the vertical wallboard hole depends on support structure design and constructing operation.
Further, for the heavy beam stringer by the heavy Liang Zucheng of multiple twin-well cylinders, twin-well cylinder sinks beam by the heavy beam bottom seat of twin-well cylinder
It is formed with tool pit shaft, the beam stringer that sinks is solid construction；
The heavy beam stringer shores diaphragm wall by diaphragm wall, make its diaphragm wall become arbitrarily shoring it is continuous
Wall；
The diaphragm wall that can arbitrarily shore should design stringer；
Described arbitrarily to shore diaphragm wall, diaphragm wall, which is shored, to be set at continuous wall connector.
Further, the structure of shoring is heavy back support；Heavy back support is by the heavy beam bottom seat of twin-well cylinder and tool pit shaft group
At back support of sinking is solid construction；
The heavy back support both ends are connect with support column or supporting construction, are constituted and are shored knot in length and breadth below floor structure
Structure.
Further, described to resist grand structure to have two: one, single resist grand structure；Two, combination resists grand structure；
It is described single grand structure to be resisted cantilever retaining structure and grand divider wall to be resisted to form by falling；
It is following that the cantilever retaining structure is set to heavy back support；
It is described to resist grand divider wall to be located to fall cantilever retaining structure in the following, the two is hinge joint；
The combination resists grand structure to resist grand structure and counter weight construction to form by single；
The counter weight construction has three: one, concrete matched weight structure；Two, frozen soil counter weight construction；Three, soil body counter weight construction；
The concrete matched weight structure is made of rotary churning pile and bored pile；
The frozen soil counter weight construction is formed by freezing soil layer；
The soil body counter weight construction is by banketing in pressurization T shape open caisson, pressurization T shape open caisson and above, and the T shape open caisson that pressurizes
The slip casting calculus composition that constitutes of the outside slip casting of injected hole.
Further, the safety vent of the porous retaining wall caisson and unearthed hole design basis shore the vertical wall of porous retaining wall
The design of slab supporting structure, caisson model have two: one, porous preforming pressurization caisson；Two, compound porous caisson；
The porous preforming pressurization caisson, is made of porous preforming retaining wall and caisson base, and porous preforming retaining wall is prefabricated
Multiple porous preforming retaining walls are linked to be entirety by porous preforming retaining wall vertical structure by structure, then by porous preforming retaining wall with
The porous preforming retaining wall of caisson base reinforces section and reinforces connection, constitutes porous preforming pressurization caisson；
The compound porous caisson is made of caisson base and caisson sleiding form, and model has two: one, porous preforming to add
Sink case；Two, porous against pressurization caisson is made, porous preforming pressurization caisson is made of, caisson is sliding porous preforming retaining wall caisson base
Moving template does not slide, porous preforming retaining wall direct weighting on caisson base, so, it is heavy that caisson is called porous preforming pressurization
Case is used for top；It is porous it is inverse make pressurization caisson by it is porous it is inverse make retaining wall and constituted with caisson base, porous inverse retaining wall of making relies on caisson
Sleiding form molding, it is porous it is inverse stressed on caisson base as retaining wall, so, caisson, which is called, porous inverse makees pressurization caisson；With
In lower part, porous preforming retaining wall with porous inverse to make both retaining walls lay length different with engineering；
The compound porous caisson it is porous it is inverse make pressurization caisson, by function, by caisson base and caisson sliding die board group
At thering is sinking glissile segment, retaining wall to pour section and three kinds of caisson base section by longitudinal；
The compound porous caisson it is porous it is inverse make pressurization caisson, it is porous it is inverse make retaining wall model and have two: one, shore it is porous
It is inverse to make retaining wall；Two, porous inverse make retaining wall without supportting；
The retaining wall, which pours segment model, to be had two: one, shores pouring section；Two, section is poured without support, shores and pours section using I type
It shores；It pours Duan Bushe without support to shore, horizontal loading is undertaken by caisson sleiding form；
The sinking glissile segment and retaining wall pour section and are laid by caisson sleiding form, glide with its porous inverse pressurization caisson of making
Molding, caisson base section, that is, caisson base, for mechanical excacation room.
Further, the construction method has porous retaining wall caisson method, heavy beam stringer construction method, heavy back support construction
Method and four kinds of counter weight construction construction method.
Further, the porous retaining wall caisson method is applied for shoring the vertical wallboard supporting construction of porous retaining wall
Engineering method has two: one, porous preforming pressurization caisson method；Two, compound porous caisson method；
The porous preforming pressurization caisson method is that porous preforming retaining wall is sunk down into design mark by caisson base
It is high；
It is described porous inverse to make the porous of pressurization caisson and inverse make panelling construction method and have two: one, shore and porous inverse make panelling construction
Method；Two, porous inverse make panelling construction method without supportting；
It is described to shore porous inverse panelling construction method of making and shored using I type, sequence of construction: earth excavation caisson sinking, by
One laying I type is shored；Vertical wallboard hole template is laid, pouring is porous against retaining wall is made, and construction is repeated several times in the two, until supporting knot
Structure reaches designed elevation；
It is described without support it is porous it is inverse make panelling construction and do not set to shore, working measure can be taken: one, adding non-integral internal layer caisson
Sleiding form；Two, vertical wallboard respectively plays characteristic using sleiding form in conjunction with conventional formwork；Three, setting suspention bed die
Plate, sequence of construction:, earth excavation caisson sinking；, it is porous it is inverse make retaining wall pouring, construction is repeated several times in the two, until supporting construction
Reach designed elevation；
The stringer working measure has two: one, working measure；Two, structural measure, working measure refer to play movement soil layer
It excavates, it is ensured that stringer perforation；Structural measure refers to that stringer only lays longitudinal retaining wall, does not lay lateral retaining wall, longitudinal bracing work
For armored concrete vertical structure plate, armored concrete vertical structure plate should be by Specification Design, it is ensured that stringer construction safety；
Described porous inverse to make breast wall concrete construction: outer layer uses caisson sleiding form, and inner layer uses vertical wallboard casement
Plate；
The sinking glissile segment need to keep it is normal sink constantly sliding is sunk by a small margin, sinking glissile segment cannot be because
The earthwork stops excavating, and " termination " is porous against pressurization caisson sinking is made, and causes the concrete of caisson sleiding form and longitudinal direction retaining wall
Generate bonding；
It is height of sinking that the retaining wall, which pours section, i.e., porous inverse breast wall concrete of making pours height every time；
The longitudinal beam structure reinforcing bar installation method has two: one, caisson method；Two, insertion, caisson method refer to longitudinal beam structure steel
Muscle is in place with porous inverse work pressurization caisson sinking；Insertion refers to that longitudinal beam structure reinforcing bar is inserted directly into vertical wallboard hole in place；
The vertical wallboard and stringer construction after that is, porous retaining wall laying, are handed over one by one from below to up after caisson sinking
For construction, vertical wallboard of first constructing, stringer of constructing afterwards, the two lays upwards one by one.
Further, the heavy beam stringer, sequence of construction:, single twin-well cylinder sink beam sink down into designed elevation one by one, often
The play movement of the heavy beam of a twin-well cylinder and diaphragm wall, which are shored, should all keep enough operating spaces, avoid influencing engineering construction；, it is double
Pit shaft sinks beam and by roof timbering and two sides supporting establishes play movement support work room；, excavate play movement soil layer, perforation
Twin-well cylinder sinks beam bottom seat；, laying diaphragm wall shore support work room；, pour diaphragm wall shore and sink beam stringer armored concrete.
Further, the heavy back supports construction method, sequence of construction:, twin-well cylinder sinks beam and sinks down into designed elevation；, adopt
Two sides supporting and roof timbering are laid with level jack, establishes node support work room；, excavate node support work room soil
Side；, joint reinforcing bar binding and concrete casting；, twin-well cylinder sink beam steel concrete casting；, removal tool pit shaft.
Further, the counter weight construction construction method has three: one, concrete weight coating structure construction method；Two, frozen soil counterweight knot
Structure construction method；Three, soil body counter weight construction construction method；
The concrete weight coating structure construction sequence: rotary churning pile of first constructing；After construct bored pile；
The frozen soil counter weight construction construction is constructed using soil layer is freezed；
The soil body counter weight construction sequence of construction: pressurization T shape well sinking；Lay open caisson base plate armored concrete；
It bankets in open caisson pedestal and above.
Detailed description of the invention
Fig. 1, supporting construction is shored: plan view.
Fig. 2, supporting construction is shored: (2) sectional view (A-A).
Fig. 3, concrete weight coating structural plan figure.
Fig. 4, frozen soil counter weight construction plan view.
Fig. 5, soil body counter weight construction plan view.
Fig. 6, pressurization T shape open caisson figure: pressurization T shape open caisson elevation.
Fig. 7, pressurization T shape open caisson figure: (2) pressurization T shape open caisson becomes soil body counter weight construction figure.
The heavy beam figure of Fig. 8, twin-well cylinder: plan view.
The heavy beam figure of Fig. 9, twin-well cylinder: (2) drawing in side sectional elevation (A-A).
The heavy beam figure of Figure 10, twin-well cylinder: (3) profilograph (B-B).
Figure 11, heavy back support construction process figure: the heavy back support of twin-well cylinder sinks down into designed elevation.
Figure 12, heavy back support construction process figure: (2) establish node using the two sides supporting of level jack top and roof timbering
Support work room.
Figure 13, heavy back support construction process figure: cutting the earth in (3) node support work room.
Figure 14, heavy back support construction process figure: the binding of (4) joint reinforcing bar and concrete casting.
Figure 15, heavy back support construction process figure: the heavy beam steel concrete casting of (5) twin-well cylinder and tool pit shaft are removed.
Figure 16, heavy beam stringer and diaphragm wall shore construction drawing: diaphragm wall has been constructed, and the heavy beam of twin-well cylinder sinks down into designed elevation
(facade).
Figure 17, heavy beam stringer and diaphragm wall shore construction drawing: the heavy beam of (2) twin-well cylinder establishes play movement support work room
(facade).
Figure 18, heavy beam stringer and diaphragm wall shore construction drawing: (3) excavate the heavy beam bottom seat of play movement soil layer perforation twin-well cylinder
(facade).
Figure 19, heavy beam stringer and diaphragm wall shore construction drawing: (4) laying diaphragm wall shores support work room plane.
Figure 20, heavy beam stringer and diaphragm wall shore construction drawing: (5) vertical cross section (A-A): pouring diaphragm wall and shore and sink beam
Stringer armored concrete.
Figure 21, heavy beam stringer and diaphragm wall shore construction drawing: (6) vertical cross section (B-B): pouring heavy beam stringer reinforced concrete
Soil.
Figure 22, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): diaphragm wall and bearing
Column construction.
Figure 23, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): (2) are inverse to apply as floor
Work.
Figure 24, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): (3) middle layer is inverse to make beam
Construction.
Figure 25, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): (4) sink beam stringer and
Diaphragm wall shores construction.
Figure 26, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): (5) sink back support and
Counter weight construction construction.
Figure 27, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): opening (6) lower part cubic metre of earth
It digs and floor structure is constructed.
Figure 28, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): (7) understructure
Column, panel structure construction.
Figure 29, combination resist grand structure to shore supporting construction underground engineering construction flow chart (cross section): (8) superstructure
Column, panel structure construction.
The vertical wallboard supporting construction figure of porous retaining wall: (1) facade is shored in Figure 30, the laying of single multihole caisson.
The vertical wallboard supporting construction figure of porous retaining wall: (2) section (A-A): porous is shored in Figure 31, the laying of single multihole caisson
Prefabricated bulkhead plane.
The vertical wallboard supporting construction figure of porous retaining wall: (3) section (B-B): porous is shored in Figure 32, the laying of single multihole caisson
It is inverse to make pressurization caisson cross section.
The vertical wallboard supporting construction figure of porous retaining wall: facade is shored in Figure 33, the laying of compound porous caisson.
The vertical wallboard supporting construction figure of porous retaining wall: (2) section (A-A): porous is shored in Figure 34, the laying of compound porous caisson
Prefabricated bulkhead plane.
The vertical wallboard supporting construction figure of porous retaining wall: (3) section (B-B): porous is shored in Figure 35, the laying of compound porous caisson
It is inverse to make retaining wall plane.
The vertical wallboard supporting construction figure of porous retaining wall: (4) section (C-C): porous is shored in Figure 36, the laying of compound porous caisson
It prefabricated bulkhead and shores and porous inverse makees retaining wall.
The vertical wallboard supporting construction figure of porous retaining wall: (5) section (C-C): porous is shored in Figure 37, the laying of compound porous caisson
Prefabricated bulkhead and porous inverse make retaining wall without supportting.
Figure 38, I type shore inverse retaining wall pressurization caisson figure of making: facade (I type shore porous inverse make retaining wall).
Figure 39, I type, which are shored, inverse makees retaining wall pressurization caisson figure: (2) section (A-A): sinking glissile segment.
Figure 40, I type shore inverse retaining wall pressurization caisson figure: (3) section (B-B) of making: retaining wall pouring section.
Figure 41, I type, which are shored, inverse makees retaining wall pressurization caisson figure: (4) section (C-C): caisson base section.
Figure 42, I type shore inverse retaining wall pressurization Caisson process (vertical section) figure of making: an earth excavation caisson sinking by
One laying I type is shored.
Figure 43, I type shore inverse retaining wall pressurization Caisson process (vertical section) figure of making: (2) once laying hole template is poured
It is inverse to make breast wall concrete.
Figure 44, I type, which are shored, inverse makees retaining wall pressurization Caisson process (vertical section) figure: under (3) secondary earth excavation caisson
The heavy I type of laying one by one is shored.
Figure 45, I type shore inverse retaining wall pressurization Caisson process (vertical section) figure of making: (4) secondary laying hole template pouring
It is inverse to make breast wall concrete.
Wherein: 1 supporting construction 2 is single to resist the grand combination of structure 3 that grand structure 4 is resisted to shore supporting construction underground engineering
6 resist grand divider wall 7 to shore, and supporting construction 8 is non-to shore 9 concrete matched weight structure of supporting construction, 10 frozen soil counter weight construction
11 soil body counter weight construction, 12 porous preforming retaining wall reinforces the porous retaining wall caisson of 13 porous preforming retaining wall vertical structure of section 14
15 porous preformings pressurization 16 porous preforming retaining wall of caisson, 17 vertical load, 18 horizontal loading 19 swells load more than 20
22 floor structure 23 of holes protecting wall fall 24 support column of cantilever retaining structure, 25 structural column, 26 panel structure, 27 coagulation
32 bored pile of native 28 frozen soil counterweight of counterweight 29 soil body counterweight, 31 rotary churning pile, 33 slip casting calculus 34 freezes soil layer 35
The compound porous pressurization of caisson 36 37 injected hole of T shape open caisson, 38 open caisson pedestal, 39 open caisson base plate 40 is shored porous
It is inverse to make retaining wall 41 and porous inverse make 43 diaphragm wall of retaining wall, 44 diaphragm wall seam, 45 diaphragm wall and shore 46 to shore pouring without supportting
Section 47 is vertical without longitudinal 49 50 caisson base of lateral retaining wall of retaining wall, the 51 caisson sleiding forms 52 of support pouring section 48
Wallboard hole template 54, which links 55 soil layer, 56 twin-well cylinder, sinks 58 twin-well cylinder of beam and sinks beam bottom seat 59 and sink that beam stringer 60 is inverse to be made
61 middle layer of floor is inverse to be made beam 64 and sinks back support 65 tool pit shaft, 66 roof timbering, 67 two sides supporting, 68 support work
It shores structure 72 and resists under the porous inverse work pressurization caisson 76 of grand 73 counter weight construction of structure, 74 underground engineering 75 in room 71
Heavy 77 retaining wall of glissile segment pouring, 78 caisson base section of section, 79 jack, 80 I type is shored 81 primary laying I types and is shored
82 2 laying I types shore 83 three times laying I type shore 84 4 laying I types to shore 85 porous against making retaining wall 86
Vertical wallboard 87 shores vertical 92 safety vent 93 of wallboard supporting construction of porous retaining wall and is unearthed 94 ground of hole, 97 stringer
98 play movement, 99 blade foot shores 100 and porous inverse makees the mechanical excacation of retaining wall end template 101 room.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawing.
As shown in Fig. 1-Figure 45.
Fig. 1, Fig. 2: shoring supporting construction 7 using shoring the vertical wallboard supporting construction 87 of porous retaining wall, vertical load 17 by
It is undertaken against floor 60 is made；Horizontal loading 18 is shored the vertical wallboard supporting construction 87 of porous retaining wall, inverse by inverse floor 60, the middle layer made
Make beam 61 and heavy back support 64 undertakes；Due to geological characteristics difference, undertake protuberance load 19 resists grand 72 mode of structure to have two:
One, single to resist grand structure 2；Two, combination resists grand structure 3.It is single resist grand structure 2 by fall cantilever retaining structure 23 and resist it is grand isolation 6
Composition；Combination resists grand structure 3 to resist grand structure 2 and counter weight construction 73 to form by single.
Fig. 3, Fig. 4, Fig. 5: counter weight construction 73 has three: one, concrete matched weight structure 9；Two, frozen soil counter weight construction 10；Three, native
Body counter weight construction 11.Concrete matched weight structure 9 is made of rotary churning pile 31 and bored pile 32；Frozen soil counter weight construction 10 is by freezing soil layer
34 are constituted；Soil body counter weight construction 11 is made of pressurization T shape open caisson 36 and slip casting calculus 33.T shape open caisson 36 pressurize by pedestal open caisson
38 and tool pit shaft 65 constitute, pedestal open caisson 38 lays pedestal open caisson bottom plate 39, and the counterweight for the T shape open caisson 36 that pressurizes is heavy for pedestal
The interior and above soil layer 55 of well 38, and its self weight.
Fig. 6, Fig. 7: pressurization T shape open caisson 36 is made of open caisson pedestal 38 and tool pit shaft 65.
Fig. 8, Fig. 9, Figure 10: the heavy beam 56 of twin-well cylinder is made of the heavy beam bottom seat 58 of twin-well cylinder and tool pit shaft 65.
Figure 11, Figure 12, Figure 13, Figure 14, Figure 15: heavy back supports sequence of construction: 1, the heavy beam 56 of twin-well cylinder sinks down into design mark
It is high；2, roof timbering 66 is laid using level jack 79 and node support work room 68 is established in two sides supporting 67；3, section is excavated
68 cubic metres of earth of support work room of point；4, joint reinforcing bar binding and concrete casting；5, twin-well cylinder sink 56 steel bar concrete water of beam and
Tool pit shaft 65 is removed, and so far, the heavy beam 56 of twin-well cylinder becomes heavy back support 64.Heavy back support 64 is sunk to be added using jack 79
Pressure.
Figure 16, Figure 17, Figure 18, Figure 19, Figure 20, Figure 21: heavy beam stringer 59 and diaphragm wall shore 45 sequences of construction: 1, even
Continuous wall 43 has been constructed, and the heavy beam 56 of twin-well cylinder sinks down into designed elevation；2, the heavy beam 56 of twin-well cylinder establishes 98 support work of play movement
Room 68；3, the heavy beam bottom seat 58 of 98 soil layer of play movement perforation twin-well cylinder is excavated；4, laying diaphragm wall shores 44 support work rooms 68；
5, it pours diaphragm wall and shores 45 and heavy 59 armored concrete of beam stringer.So far, the heavy beam 56 of twin-well cylinder becomes heavy beam stringer 59.Heavy beam
Stringer 59 can shore diaphragm wall 43 or single pile supporting construction, and diaphragm wall is shored 45 and is set at diaphragm wall seam 44, single pile supporting
Structure is one one and shores.Heavy beam stringer 59 sinks to be pressurizeed using jack 79.
Figure 22, Figure 23, Figure 24, Figure 25, Figure 26, Figure 27, Figure 28, Figure 29: combination resists grand structure 3 to shore supporting construction underground
4 sequence of construction of engineering: 1, diaphragm wall 43 and support column 24 are constructed；2, inverse to make the construction of floor 60；3, middle layer is inverse makees the construction of beam 61；4,
Heavy beam stringer 59 and diaphragm wall shore 45 constructions；5, back support 64 of sinking is constructed；6, counter weight construction 73 is constructed；7, lower part earth excavation
It constructs with floor structure 22；8, understructure column 25, panel structure 26 are constructed；9, superstructure column 25, panel structure 26 are constructed.
This figure is used as supporting construction 1 using the non-supporting construction 8 of shoring of diaphragm wall 43, shores supporting knot for non-by laying heavy beam stringer 59
Structure 8 becomes shoring supporting construction 7；Using the supporting construction of shoring of Caisson, underground engineering 4 shores supporting knot without figure, two kinds
7 functional characteristic of structure is identical, but is applicable in each one to soil layer geological characteristics.
Shoring 4 construction characteristic of supporting construction underground engineering has three: one, lays ground floor using contrary sequence method, makes construction period
City is interfered minimum；Two, using supporting construction 7 is shored, that shores that structure 71 and counter weight construction 73 constitute resists grand supporting construction,
Terminate human society laying underground engineering 74 to be controlled by geotechnical engineering, the history of Frequent Accidents；Three, it is applied using public tunnel mode
If underground engineering 74, city is avoided often " zipper " to pollute environment, it is ensured that urban life is orderly.It is not difficult to find out that even if existing
Diaphragm wall 43 and caisson etc. are non-to shore supporting construction 8, by design measure and working measure, becomes shoring supporting construction 7, really
It is a kind of effective supporting scheme.
Shore supporting construction underground engineering 4 construction depend on engineering Geological Characteristics, supporting depth, construction technology (the road practice,
The positive practice) and earth excavation mode；In addition, the road network section mode of multidimensional traffic network has three: one layers of section mode, two
Layer section mode, three layers of section mode, so, construction has changeability, diversity.Method is without the method for determining.
Shoring 7 great advantage of supporting construction is that the engineering longitudinal direction standard width of a room in an old-style house is unrestricted, can be arbitrarily arranged, and very big limit is convenient more
It ties up traffic network " modified line ".In one word, the development and utilization of underground engineering 74 only abandon existing supporting mode, because of engineering
Suiting measures to different conditions is not restricted to one pattern, and current difficult border can be just walked out.
Grand supporting construction is resisted to be built upon on the basis of contignation, utilizing works contignation is aided with measure structure reality
It is existing.Existing supporting construction has diaphragm wall and single pile (impact stake, rotation stake and caisson) two classes, and supporting construction 1 is non-top
Support supporting construction 8.It shores the vertical wallboard supporting construction 87 of porous retaining wall and referred to as shores supporting construction 7.It is so-called to shore supporting knot
Structure underground engineering 4 and it is non-shore supporting construction underground engineering 5, refer to that the supporting construction 1 of underground engineering 74 can arbitrarily shore, work
Journey is known as shoring supporting construction underground engineering 4；The supporting construction 1 of underground engineering 74, which cannot be arranged, arbitrarily shores, and engineering is known as
It is non-to shore supporting construction underground engineering 5.Non- supporting construction 8 of shoring can pass through structural measure: the heavy realization of beam stringer 59 of setting resists grand
Supporting construction.
Single that grand structure 2 is resisted to resist grand structure 3 to depend on geological characteristics with combining, the difference of the two is counter weight construction 73,
Counter weight construction 73 is arranged in the former not establishing weight structure 73, the latter.
Figure 30, Figure 31, Figure 32: it shores the vertical wallboard supporting construction 87 of porous retaining wall and is applied using porous preforming pressurization caisson 15
If.Porous preforming pressurization caisson 15 is made of porous preforming retaining wall 16 and caisson base 50.Porous preforming retaining wall 16 is prefabricated knot
Multiple porous preforming retaining walls 16 are linked to be entirety by porous preforming retaining wall vertical structure 13, then by porous preforming retaining wall by structure
16, which with the porous preforming retaining wall of caisson base 50 reinforce section 12, reinforces and connects, and constitutes porous preforming and pressurizes caisson 15；
Porous preforming pressurization caisson 15, in fact, caisson is to assemble porous retaining wall 20 on the spot to increase one by one for caisson
Hole prefabricated bulkhead 16 is added, is pressurizeed one by one, is sunk one by one, soft soil layer is suitable for.
Figure 33, Figure 34, Figure 35, Figure 36, Figure 37: the vertical wallboard supporting construction 87 of porous retaining wall is shored using compound porous heavy
Case 35 is laid.Compound porous caisson 35 is made of caisson base 50 and caisson sleiding form 51, and model has two: one, is porous pre-
System pressurization caisson 15；Two, porous inverse work pressurization caisson 75, porous preforming pressurization caisson 15, by 16 caisson bottom of porous preforming retaining wall
Seat 50 forms, and caisson sleiding form do not slide, 16 direct weighting of porous preforming retaining wall on caisson base 50, so, caisson claims
It is porous preforming pressurization caisson 75, is used for top；Porous inverse pressurization caisson 75 inverse makees retaining wall 85 and caisson base 50 by porous
Constitute, porous inverse retaining wall 85 of making is formed by caisson sleiding form 51, it is porous it is inverse make retaining wall 85 and stress on caisson base 50, institute
With caisson is called porous inverse pressurization caisson 75；For lower part, porous preforming retaining wall 16 and porous inverse both retaining walls 85 of making are laid
Length is different with engineering.
The porous inverse work pressurization caisson 75 of compound porous caisson 14, by function, by caisson base 50 and caisson sleiding form
51 compositions have sinking glissile segment 76, retaining wall to pour section 77 and 78 3 kinds of caisson base section by longitudinal direction；
Compound porous caisson 14 it is porous it is inverse make pressurization caisson 75, it is porous it is inverse make 85 model of retaining wall and have two: one, shore it is more
Hole is inverse to make retaining wall 40；Two, porous inverse make retaining wall 41 without supportting；
Retaining wall, which pours 77 model of section, to be had two: one, shores and pour section 46；Two, section 47 is poured without support, shores and pours section using I
Type shores 80；It pours section 47 without support and does not set and shore, horizontal loading 18 is undertaken by caisson sleiding form 51；
Sinking glissile segment 76 and retaining wall pour section 77 and are laid by caisson sleiding form 51, with its porous inverse work pressurization caisson 75
It glides and forms, caisson base section 78 is caisson base 50, for mechanical excacation room 101.
The porous inverse safety vent 92 for making pressurization caisson 75 and unearthed hole 93 are by shoring the vertical wallboard supporting construction of porous retaining wall
87 design requirements determine；
It is porous inverse to make the porous of pressurization caisson 75 and inverse make 85 construction method of retaining wall and have two: one, shore and porous inverse make retaining wall 85 and apply
Engineering method；Two, porous inverse make 85 construction method of retaining wall without supportting；Shoring porous inverse 85 construction method of retaining wall of making uses I type to shore 80, construction
Sequentially: 1 earth excavation caisson sinking lays I type one by one and shores 80；2 laying vertical wallboard hole templates 52 pour porous inverse protect
Construction is repeated several times in wall 85, the two, until supporting construction 1 reaches designed elevation.Porous inverse make the construction of retaining wall 85 without supportting and do not set top
Support, can take working measure: one, add non-integral internal layer caisson sleiding form 51；Two, vertical wallboard 86 using sleiding form with
Conventional formwork combines, and respectively plays characteristic；Three, setting suspention end template, sequence of construction: 1, earth excavation caisson sinking；2, more
Hole is inverse to make the pouring of retaining wall 85, and construction is repeated several times in the two, until supporting construction 1 reaches designed elevation.
97 working measure of stringer has two: one, working measure；Two, structural measure, working measure refer to 98 soil layer of play movement
55 remove, it is ensured that stringer 97 penetrates through；Structural measure refers to that stringer 97 only lays longitudinal retaining wall 48, does not lay lateral retaining wall 49, indulges
It is designed as armored concrete vertical structure plate to retaining wall 48, armored concrete vertical structure plate should be by Specification Design, it is ensured that stringer
97 construction safeties.
Porous inverse to make 85 concrete construction of retaining wall: outer layer uses caisson sleiding form 51, and inner layer uses vertical wallboard casement
Plate 52；
Sinking glissile segment 76 needs to keep normal sinking (constantly sliding is sunk by a small margin), and sinking glissile segment 76 cannot
Because the earthwork stops excavating, and " termination " porous inverse pressurization caisson 75 of making sinks, and causes caisson sleiding form 51 and longitudinal retaining wall 48
Concrete generate bonding；
It is height of sinking that retaining wall, which pours section 77, i.e., porous every time inverse to make 85 concrete casting height of retaining wall；
97 structure reinforcing bars installation method of stringer has two: one, caisson method；Two, insertion, caisson method refer to 97 structural steel of stringer
Muscle sinks in place with porous inverse pressurization caisson 75 of making；Insertion refers to that 97 structure reinforcing bars of stringer are inserted directly into vertical 86 hole of wallboard
In place.
Vertical wallboard 86 is after caisson sinking, i.e., after porous retaining wall 20 is laid, from below to up one by one with the construction of stringer 97
It alternately constructs, vertical wallboard 80 of first constructing, construction stringer 97, the two are laid upwards one by one afterwards；
General Caisson feature has two: first is that it is difficult to sink；Second is that surrounding collapses.Porous inverse pressurization caisson 75 of making sinks
It is easy, but to prevent to collapse not a duck soup.To prevent to collapse, it is important to cutting curb design.If blade foot is reversed by drawing
Setting, blade foot lower end adds steel plate section, pushes its soil body outward, on condition that the surrounding soil body is not collapsed or swelled.It is porous
Inverse pressurization 75 blade foot of caisson design of making is not restricted to one pattern, and can Fa Wuding method obtain the idiocratically layer application of different geology, not generate ground
Matter accident (collapse or swell) has been exactly method.
If porous inverse work pressurization caisson 75 is longer, geological characteristics are poor, and settable blade foot shores 99.
Figure 38, Figure 39, Figure 40, Figure 41: porous inverse pressurization caisson 75 of making presses function, by caisson base 50 and caisson sliding die
Plate 51 forms, and by longitudinal direction, pours section 77 by sinking glissile segment 76, retaining wall and caisson base section 78 forms.Porous inverse work pressurization is heavy
The safety vent 92 of case 75 and unearthed hole 93 are designed by the requirement for shoring the vertical wallboard supporting construction 87 of porous retaining wall.
Existing 79 mode of civil engineering jack has two: first is that conventional hydraulic jack 97；Second is that sliding formwork hollow jack
97.Jack 97 is the porous inverse key equipment for making pressurization caisson 75, but since porous inverse pressurization 75 technique of caisson of making is different, can
It is selected by actual conditions.
Figure 42, Figure 43, Figure 44, Figure 45: it is heavy using porous inverse work pressurization to shore the vertical wallboard supporting construction 87 of porous retaining wall
75 construction method of case.Porous inverse work pressurization 75 sequence of construction of caisson: earth excavation caisson sinking lays I type one by one and shores 80；Laying
Vertical wallboard hole template 52；It installs and porous inverse makees retaining wall end template 100；It pours and porous inverse makees 85 concrete of retaining wall.Sink and pours
It fills the two and laying is repeated several times one by one, until supporting construction reaches designed elevation.
Grand supporting construction is resisted to describe respectively by structure, construction method and conclusion
One, structure
Resist grand supporting construction by shoring the vertical wallboard supporting construction of porous retaining wall, heavy beam stringer, shore structure, resist grand knot
Structure, counter weight construction and porous retaining wall caisson describe respectively.
Shore the vertical wallboard supporting construction of porous retaining wall
Shore the vertical wallboard supporting construction of porous retaining wall, structure by stringer, it is porous it is inverse make retaining wall and vertical wallboard forms,
Porous to have two kinds of safety vent and unearthed hole, porous quantity is determined according to geological characteristics and supporting depth.It is so-called to shore supporting knot
Structure refers to that stringer is arranged in supporting construction, shores structure design and is not limited by stringer span and layer are high.This is to shore supporting construction
With the fundamental difference of existing supporting construction (diaphram wall and caisson).
Heavy beam stringer
Heavy beam stringer is by the heavy Liang Zucheng of multiple twin-well cylinders.
Shore structure
It shores structure and has three: one, inverse make floor；Two, middle layer is inverse makees beam；Three, the back that sinks supports.
Resist grand structure
Grand structure is resisted to have two: first is that single resist grand structure；Second is that combination resists grand structure.It is single to resist grand structure by hanging arm branch by the feet
Protection structure and grand divider wall is resisted to form.Uplift of soil can be prevented below by hanging arm by the feet and being set to the support of heavy back, and structure is known as hanging by the feet
Arm supporting construction.The purpose for resisting grand divider wall is to slow down soil mass of foundation pit protuberance, resists grand divider wall and cantilever retaining structure is strand
It connects, length is depending on geological characteristics.Combination resists grand structure to resist grand structure and counter weight construction to form by single.
Counter weight construction
Counter weight construction refers to that soil mass of foundation pit is swelled, and setting counter weight construction resists uplift of soil in foundation pit, and structure is known as matching
Weight structure, counter weight construction also known as virtually resist grand bottom plate, and structure type has three: first is that concrete matched weight structure；Second is that frozen soil
Counter weight construction；Three, soil body counter weight construction；
(1) concrete matched weight structure
Concrete weight coating counter weight construction is made of drilled pile, rotary churning pile and bored pile.
(2) frozen soil counter weight construction
Frozen soil counter weight construction is made of frozen soil.
(3) soil body counter weight construction
Soil body counter weight construction is using pressurization grid T shape well sinking, and reinforced concrete floor is arranged in open caisson.In open caisson and
The realization of the weight of the stacking soil body and open caisson itself resists grand on open caisson, resists grand referred to as soil body counterweight to resist grand.
Porous retaining wall caisson
Porous retaining wall caisson has two: one, porous preforming pressurization caisson；Two, compound porous caisson.
Porous preforming pressurization caisson
Porous preforming pressurization caisson is made of porous preforming retaining wall and caisson base.
Compound porous caisson
There are two levels for compound porous caisson: one, porous preforming pressurization caisson, by porous preforming retaining wall and caisson base structure
At for top；Two, porous inverse to make pressurization caisson.It is porous it is inverse make pressurization caisson, by structure by caisson base and caisson sliding die
Plate is constituted, by being longitudinally divided into three sections: one, sinking glissile segment；Two, retaining wall pours section；Three, caisson base section is used for lower part.
Two, construction method
Resist grand support construction by shore the vertical wallboard support construction method of porous retaining wall, heavy beam stringer construction method,
It is heavy to shore structure construction method, grand structure construction method, counter weight construction construction method and underground engineering construction method is resisted to describe respectively.
, shore the vertical wallboard support construction method of porous retaining wall
Porous retaining wall is laid using porous retaining wall caisson, multiple porous retaining walls are linked as entirety, then from below to up one by one
It lays vertical wallboard and stringer composition shores the vertical wallboard supporting construction of porous retaining wall
2, heavy beam stringer construction method
Heavy beam stringer and diaphragm wall shore 45 sequences of construction: 1, diaphragm wall has been constructed, and the heavy beam of twin-well cylinder sinks down into design mark
It is high；2, the heavy beam of twin-well cylinder establishes play movement support work room；3, the heavy beam bottom seat of play movement soil layer perforation twin-well cylinder is excavated；4,
Laying diaphragm wall shores support work room；5, it pours diaphragm wall and shores and sink beam stringer armored concrete.
Shore structure construction method
It shores structure construction method and has three: one, inverse make floor slab construction method；Two, middle layer is inverse makees column construction method；Three, the back that sinks supports
Three kinds of construction method.
(1) inverse to make floor slab construction method
Ground floor uses reverse construction.
(2) middle layer is inverse makees beam construction method.
Intermediate floor constructions use girder adverse construction method, and floor do not construct, and method is known as that middle layer is inverse to make beam construction method.
(3) back that sinks supports construction method
Heavy back support construction is carried out by following procedure: 1, the heavy beam of twin-well cylinder sinks down into designed elevation；2, using horizontal very heavy
Node support work room is established in top laying roof timbering and two sides supporting；3, node support work room cubic metre of earth is excavated；4, node steel
Muscle binding and concrete casting；5, the heavy beam steel concrete casting of twin-well cylinder；6, removal tool pit shaft.
Resist grand structure construction method
Grand structure construction method is resisted to have two: one, supporting to resist grand construction method；Two, combination resists grand construction method.Supporting resists grand construction method
Refer to that protuberance load is only undertaken i.e. by supporting construction by falling cantilever retaining structure and grand divider wall to be resisted to undertake；Combination resists grand construction method
Grand structure construction method and counter weight construction is resisted to construct by supporting.
Counter weight construction construction method
Counter weight construction construction method has three: first is that concrete weight coating structure construction method；Second is that frozen soil counter weight construction construction method；
Three, soil body counter weight construction construction method.
(1) concrete weight coating structure construction method
Concrete weight coating structure construction is successively pressed drilled pile construction, jet grouting pile construction, bored pile sequence of construction and is carried out, finally
Form concrete matched weight structure.
(2) frozen soil counter weight construction construction method
The construction of frozen soil counter weight construction is that soil mass of foundation pit is frozen into frozen soil stratum.
(3) soil body counter weight construction construction method
Designed elevation is sunk to using pressurization T shape open caisson, pours T shape open caisson bottom plate；It bankets in T shape open caisson；Remove pit shaft.
Underground engineering construction method
Underground engineering construction method, which has, shores supporting construction underground engineering construction method and non-supporting construction underground engineering of shoring is applied
Two kinds of engineering method.
Shore supporting construction underground engineering construction method it is point single resist grand structure shore supporting construction underground engineering construction method and
Combination resists grand structure to shore two kinds of supporting construction underground engineering construction method.
It is non-to shore that supporting construction underground engineering construction method is point single to resist grand structure is non-to shore supporting construction underground engineering construction
Method and combination resist grand structure is non-to shore two kinds of supporting construction underground engineering construction method.
Three, it concludes the speech
Underground space development increases a kind of completely new support theory --- and resist grand support theory, can ensure that city automobile underground
Change (underground highway) construction safety, terminates human society to underground space development of resources entirely with geological characteristics or so, engineering
History dangerous, that serious accident takes place frequently.It can affirm, great epoch-making " leather occurs for Underground Space Resource development and utilization
Life ", urban traffic model is changed to mode motor by ground rail mode, and construction safety is guaranteed.In other words, road tunnel is realized
Intelligent transportation construction safety is guaranteed that the Urban Underground Space Excavation premised on shield-tunneling construction technique will become history.
Claims (6)
1. one kind resists grand supporting construction, it is characterised in that: the structure is built upon on the basis of contignation, and stress model is level
Load (18)-shoring the vertical wallboard supporting construction (87) of porous retaining wall-is shored structure (71), structure, which has, shores porous retaining wall
Vertical wallboard supporting construction (87), shores structure (71), resists grand structure (72) and porous retaining wall caisson at heavy beam stringer (59)
(14)；It is described to shore the vertical wallboard supporting construction (87) of porous retaining wall and be made of multiple porous retaining walls (20), porous retaining wall (20)
It is made of longitudinal retaining wall (48) and lateral retaining wall (49)；
The porous retaining wall (20) for shoring the vertical wallboard supporting construction (87) of porous retaining wall has porous preforming retaining wall (16) and more
Hole is inverse to make (85) two kinds of retaining wall；
It is described to shore the vertical wallboard supporting construction (87) of porous retaining wall, by its structure, by porous retaining wall (20), vertical wallboard (86)
It is formed with stringer (97)；
The porous of the porous retaining wall (20) has (93) two kinds of safety vent (92) and unearthed hole；
The porous quantity of the porous retaining wall (20) is determined according to geological characteristics and supporting depth；
The size in vertical wallboard (86) hole depends on supporting construction (1) design and constructing operation；
The heavy beam stringer (59) is made of multiple twin-well cylinders heavy beam (56), and twin-well cylinder sinks beam (56) by the heavy beam bottom seat of twin-well cylinder
(58) and tool pit shaft (65) composition, heavy beam stringer (59) are solid construction；
The heavy beam stringer (59) shores (45) by diaphragm wall and shores diaphragm wall (43), and becoming its diaphragm wall (43) can be any
The diaphragm wall (43) shored；
The diaphragm wall (43) that can arbitrarily shore should design stringer (97)；
Described arbitrarily to shore diaphragm wall (43), diaphragm wall, which shores (45), should be set to diaphragm wall (43) joint；
Described shore structure (71) are that heavy back supports (64)；Heavy back support (64) is by twin-well cylinder heavy beam bottom seat (58) and tool pit shaft
(65) it forms, back support (64) of sinking is solid construction；
The heavy back support (64) both ends connect with support column (24) or supporting construction (1), and composition floor structure (22) is below
Structure (71) are shored in length and breadth；
It is described to resist grand structure (72) to have two: one, single resist grand structure (2)；Two, combination resists grand structure (3)；
It is described single grand structure (72) to be resisted to be formed by falling cantilever retaining structure (23) He Kanglong divider wall (6)；
Cantilever retaining structure (23) are set to heavy back support (64) below；
It is described to resist grand divider wall (6) to be located to fall cantilever retaining structure (23) in the following, the two is hinge joint (54)；
The combination resists grand structure, and (3 resist grand structure (2) and counter weight construction (73) to form by single；
The counter weight construction (73) has three: one, concrete matched weight structure (9)；Two, frozen soil counter weight construction (10)；Three, soil body counterweight
Structure (11)；
The concrete matched weight structure (9) is made of rotary churning pile (31) and bored pile (32)；
The frozen soil counter weight construction (10) is formed by freezing soil layer (34)；
The soil body counter weight construction (11) is banketed by pressurizeing T shape open caisson (36), in pressurization T shape open caisson (36) and above, Yi Jijia
Press injected hole (37) slip casting calculus (33) composition that slip casting is constituted outward of T shape open caisson (36)；
The safety vent (92) of the porous retaining wall caisson (14) and unearthed hole (93) design basis shore the vertical wallboard of porous retaining wall
Supporting construction (87) design, caisson model have two: one, porous preforming to pressurize caisson (15)；Two, compound porous caisson (35)；
The porous preforming pressurizes caisson (15), is made of porous preforming retaining wall (16) and caisson base (50), porous preforming shield
Wall (16) is precast construction, and multiple porous preforming retaining walls (16) are linked to be entirety by porous preforming retaining wall vertical structure (13),
Then the porous preforming retaining wall of porous preforming retaining wall (16) and caisson base (50) is reinforced into section (12) and reinforces connection, constituted more
The prefabricated pressurization caisson (15) in hole；
The compound porous caisson (35) is made of caisson base (50) and caisson sleiding form (51), and model has two: one, is more
The prefabricated pressurization caisson (15) in hole；Two, it is porous it is inverse make pressurization caisson (75), porous preforming pressurizes caisson (15), is protected by porous preforming
Wall (16) caisson base (50) composition, caisson sleiding form do not slide, and porous preforming retaining wall (16) direct weighting is in caisson base
(50) on, so, caisson is called porous preforming pressurization caisson (15), is used for top；It is porous inverse to make pressurization caisson (75) by more
Inverse make retaining wall (85) and caisson base (50) in hole are constituted, and porous inverse make retaining wall (85) are formed by caisson sleiding form (51), more
Hole is inverse to be made retaining wall (85) and stresses on caisson base (50), so, caisson, which is called, porous inverse makees pressurization caisson (75)；For
Lower part, porous preforming retaining wall (16) with porous inverse to make both retaining walls (85) lay length different with engineering；
The compound porous caisson (35) it is porous it is inverse make pressurization caisson (75), function is pressed, by caisson base (50) and caisson cunning
Moving template (51) composition has sinking glissile segment (76), retaining wall to pour section (77) and (78) three kinds of caisson base section by longitudinal direction；
The compound porous caisson (35) it is porous it is inverse make pressurization caisson (75), it is porous it is inverse make retaining wall (85) model and have two: one,
It shores and porous inverse makees retaining wall (40)；Two, porous inverse make retaining wall (41) without supportting；
The retaining wall, which pours section (77) model, to be had two: one, shores and pour section (46)；Two, section (47) are poured without support, shores pouring
Section (46) shores (80) using I type；It pours section (47) without support and does not set and shore, horizontal loading (18) is by caisson sleiding form (51)
It undertakes；
The sinking glissile segment (76) and retaining wall pour section (77) and are laid by caisson sleiding form (51), porous inverse pressurize with its
Caisson (75), which glides, to be formed, caisson base section (78) i.e. caisson base (50), for mechanical excacation room (101).
2. a kind of construction method for resisting grand supporting construction as described in claim 1, it is characterised in that: the construction method has porous
Retaining wall caisson (14) construction method, heavy beam stringer (59) construction method, heavy back support (64) construction method and counter weight construction (73)
Four kinds of construction method.
3. resisting the construction method of grand supporting construction according to claim 2, it is characterised in that: the porous retaining wall caisson (14)
Construction method has the pressurization of two: one, porous preforming heavy for shoring the vertical wallboard supporting construction (87) of porous retaining wall, construction method
Case (15) construction method；Two, compound porous caisson (35) construction method；
Described porous preforming pressurization caisson (15) construction method is that porous preforming retaining wall (16) are sunk by caisson base (50)
To designed elevation；
It is described porous inverse to make the porous of pressurization caisson (75) and inverse make retaining wall (85) construction method and have two: one, shore porous inverse protect
Wall (40) construction method；Two, porous inverse make retaining wall (41) construction method without supportting；
It is described to shore porous inverse retaining wall (85) construction method of making and shored (80) using I type, sequence of construction: 1) earth excavation caisson
Sink, lays I type one by one and shore (80)；2) vertical wallboard hole template (52) are laid, pouring is porous against retaining wall (85) are made, and the two is more
It is secondary to repeat to construct, until supporting construction (1) reaches designed elevation；
It is described without support it is porous it is inverse make retaining wall (85) construction and do not set to shore, working measure can be taken: one, adding non-integral internal layer caisson
Sleiding form (51)；Two, vertical wallboard (86) respectively plays characteristic using sleiding form in conjunction with conventional formwork；Three, setting is outstanding
End template is hung, sequence of construction: 1, earth excavation caisson sinking；2, porous inverse make retaining wall (85) are poured, and construction is repeated several times in the two,
Until supporting construction (1) reaches designed elevation；
Stringer (97) working measure has two: one, working measure；Two, structural measure, working measure refer to play movement (98)
Soil layer (55) excavates, it is ensured that stringer (97) perforation；Structural measure refers to that stringer (97) only lays longitudinal retaining wall (48), does not lay cross
To retaining wall (49), longitudinal retaining wall (48) is designed as armored concrete vertical structure plate, and armored concrete vertical structure plate should be by rule
Model design, it is ensured that stringer (97) construction safety；
Described porous inverse to make retaining wall (85) concrete construction: outer layer uses caisson sleiding form (51), and inner layer uses vertical wallboard
Hole template (52)；
The sinking glissile segment (76) needs to keep normal sinking, i.e., constantly sliding is sunk by a small margin, sinking glissile segment
(76) cannot stop excavating because of the earthwork, and " termination " is porous against pressurization caisson (75) sinking is made, and causes caisson sleiding form (51)
Bonding is generated with the concrete of longitudinal retaining wall (48)；
It is height of sinking that the retaining wall, which pours section (77), i.e., porous every time inverse to make retaining wall (85) concrete casting height；
Stringer (97) the structure reinforcing bars installation method has two: one, caisson method；Two, insertion, caisson method refer to that stringer (97) are tied
Structure reinforcing bar sinks in place with porous inverse make pressurization caisson (75)；Insertion refers to that stringer (97) structure reinforcing bars are inserted directly into vertical wall
It is in place in plate (86) hole；
The vertical wallboard (86) and stringer (97) construction are after caisson sinking, i.e., after the laying of porous retaining wall (20), from lower
On alternately construct one by one, first construct vertical wallboard (86), construct stringer (97) afterwards, the two lays upwards one by one.
4. resisting the construction method of grand supporting construction according to claim 2, it is characterised in that: heavy beam stringer (59) construction
Sequentially: 1, single twin-well cylinder heavy beam (56) sinks down into designed elevation, the play movement (98) of each twin-well cylinder heavy beam (56) one by one
Enough operating spaces should all be kept by shoring (45) with diaphragm wall, avoid influencing engineering construction；2, twin-well cylinder sinks beam (56), passes through
Play movement (98) support work room (68) is established in roof timbering (66) and two sides supporting (67)；3, play movement (98) are excavated
Soil layer (55), perforation twin-well cylinder are heavy beam bottom seat (58)；4, laying diaphragm wall shores (45) support work room (68)；5, it pours continuous
Wall top supports (45) and heavy beam stringer (59) armored concrete.
5. resisting the construction method of grand supporting construction according to claim 2, it is characterised in that: heavy back support (64) construction
Method, sequence of construction: 1, twin-well cylinder heavy beam (56) sinks down into designed elevation；2, collateral using level jack (79) laying two
(67) and roof timbering (66) are protected, node support work room (68) is established；3, node support work room (68) earthwork is excavated；4, it saves
The binding of point reinforcing bar and concrete casting；5, heavy beam (56) steel bar concrete water of twin-well cylinder；6, removal tool pit shaft (65).
6. resisting the construction method of grand supporting construction according to claim 2, it is characterised in that: counter weight construction (73) construction
Method has three: one, concrete matched weight structure (9) construction method；Two, frozen soil counter weight construction (10) construction method；Three, the soil body is matched
Weight structure (11) construction method；
Concrete matched weight structure (9) sequence of construction: rotary churning pile (31) first are constructed；Construct bored pile (32) afterwards；
Frozen soil counter weight construction (10) construction is constructed using soil layer (34) are freezed；
Soil body counter weight construction (11) sequence of construction: pressurization T shape open caisson (36) is sunk；Lay open caisson base plate (39) reinforcing bar
Concrete；It bankets in open caisson pedestal (38) and above.
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| CN108360543A (en) * | 2018-05-03 | 2018-08-03 | 中铁上海工程局集团有限公司 | A kind of big pre-cast sink well structure of depth and its installation method |
| CN109372018A (en) * | 2018-11-28 | 2019-02-22 | 江西万和建筑科技有限公司 | Soft base Self-sinking type underground space structure construction and construction technology |
| CN109371979B (en) * | 2018-11-28 | 2024-02-20 | 深圳市政集团有限公司 | Deep foundation pit retaining structure combining jet anchor reverse construction and punching pile |
| CN111809643A (en) * | 2020-08-11 | 2020-10-23 | 温州众泊停车产业有限公司 | Open caisson construction method and open caisson structure |
| CN113591184B (en) * | 2021-07-19 | 2023-10-20 | 浙江大学 | Design calculation method for cantilever type rigid enclosure structure adjacent to basement exterior wall foundation pit |
| CN114352288B (en) * | 2021-12-30 | 2024-04-16 | 南京工大交通科学研究院(滁州)有限公司 | Construction structure and construction method for shield tunneling in short distance |
| CN117644946B (en) * | 2024-01-30 | 2024-04-12 | 中交一航局第五工程有限公司 | Rigid connection device for double caisson assembly |
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| CN104343131A (en) * | 2013-07-27 | 2015-02-11 | 廖河山 | Semi-prefabricated semi-cast-in-situ underground continuous wall and construction process |
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- 2016-10-17 CN CN201610902518.3A patent/CN106284414A/en active Pending
- 2016-11-16 WO PCT/CN2016/106029 patent/WO2017084573A1/en active Application Filing
- 2016-11-16 CN CN201611022493.4A patent/CN106759461B/en not_active Expired - Fee Related
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| JPH116164A (en) * | 1997-06-17 | 1999-01-12 | Shimizu Corp | Construction method for underground structure |
| CN1445436A (en) * | 2002-03-17 | 2003-10-01 | 彭高培 | Self-supporting hidden digging structure |
| CN1800511A (en) * | 2004-12-31 | 2006-07-12 | 彭高培 | Self-support supporting construction |
| JP2007002413A (en) * | 2005-06-21 | 2007-01-11 | Nakamura Doboku Kk | Underground structure construction method |
| CN102535513A (en) * | 2011-10-31 | 2012-07-04 | 彭高培 | Ultimate structural method |
Also Published As
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|---|---|
| CN106284414A (en) | 2017-01-04 |
| WO2017084573A1 (en) | 2017-05-26 |
| CN106759461A (en) | 2017-05-31 |
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