CN106759461A - Resist grand supporting construction - Google Patents

Resist grand supporting construction Download PDF

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Publication number
CN106759461A
CN106759461A CN201611022493.4A CN201611022493A CN106759461A CN 106759461 A CN106759461 A CN 106759461A CN 201611022493 A CN201611022493 A CN 201611022493A CN 106759461 A CN106759461 A CN 106759461A
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construction
caisson
porous
retaining
grand
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CN201611022493.4A
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CN106759461B (en
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彭高培
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彭高培
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/045Underground 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
    • E02D29/05Underground 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
    • E02D29/055Underground 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls

Abstract

One kind resists grand supporting construction, different from existing resistance supporting structure mechanism.Resisting grand supporting construction has line style, circular anti-two kinds of grand supporting construction, and protuberance load resists grand structure by hanging arm by the feet, resists grand divider wall and resists grand counter weight construction to undertake.Counterweight resists the grand structure type to have three:One is the grand counter weight construction of agent on crack resistance of concrete;Two is that the soil body resists grand supporting construction;Three is that frozen soil resists grand counter weight construction.Resist grand supporting construction be with the fundamental difference of resistance supporting structure, the former is in work progress, engineering safety can be ensured using structural measure, and to Project Realization dynamic monitoring, terminate human society complete to Underground Space Resource exploitation with geological characteristics or so, engineering is dangerous, the history that serious accident takes place frequently.Can certainly, as automobile is regenerated, this century is automobile underground century, underground space development century, resists grand supporting construction to be to ensure that underground space development is effective " optimal engineering method ", is come into reality.

Description

Resist grand supporting construction
Technical field
Developed the invention belongs to supporting construction, Underground Space Resource.
Background technology
For many years, human society realizes automobile underground, solves traffic " congestion ", it is ensured that urban sustainable development, standby By countries in the world government and focus of attention.The crux for being unable to automobile underground is serious " pollution " fossil fuel automobile, it is impossible to Ensure underground space environmental protection.The underground space is serious " pollution ", and automobile underground is obstructed, and leads to city " syndrome ".Two evils Mutually power takes it gently, and international community is weighed the advantages and disadvantages to both " pollution " and " syndrome ", and city " syndrome " is received painedly, approval City " syndrome " is brought and is suffered untold misery, or even frightening urban transportation, unconditionally accepts city " congestion ", so cruel 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 automobile popularization and application, this century is automobile Underground century, underground space development century are undisputed.But existing resistance supporting structure can not realize that underground space development is applied Work safety.Can certainly, human society should terminate complete to Underground Space Resource exploitation with geological characteristics or so, and engineering is uneasy Entirely, the history that serious accident takes place frequently.Therefore, facing underground space development century, study a kind of brand-new anti-grand supporting construction and take It is the task of top priority for existing resistance supporting structure.Resist grand supporting construction to be performed by existing code for structural design, can in time carry out Dynamic monitoring, is to ensure that underground space development is effective " optimal engineering method ", is come into reality.
The content of the invention
It is an object of the invention to provide a kind of new support theory, can be real efficiently against the defect of existing support theory Existing urban underground space security development is utilized.One kind resists grand supporting construction to be built upon on the basis of contignation, and stress model is Horizontal loading-the shore vertical wallboard supporting construction of many holes protecting walls-shore structure, its structure has shores the vertical wallboard of many holes protecting walls Supporting construction, heavy beam longeron, shore structure, anti-grand structure and many holes protecting wall caissons, and its construction method.
Further, the vertical wallboard supporting construction of many holes protecting walls of shoring is made up of multiple many holes protecting walls, many holes protecting walls It is made up of longitudinal retaining wall and horizontal retaining wall;
The many holes protecting walls for shoring the vertical wallboard supporting construction of many holes protecting walls have porous preforming retaining wall and porous inverse make retaining wall two Kind;
It is described to shore the vertical wallboard supporting construction of many holes protecting walls, by its structure, it is made up of many holes protecting walls, vertical wallboard and longeron;
The porous of many holes protecting walls has two kinds of safety vent and unearthed hole;
Many hole number base area matter characteristics and supporting depth of many holes protecting walls determine;
The size in the vertical wallboard hole depends on support structure design and constructing operation.
Further, the heavy beam longeron is made up of multiple twin-wells heavy beam of cylinder, and the heavy beam of twin-well cylinder is by the twin-well heavy beam base of cylinder With instrument pit shaft composition, the beam longeron that sinks is solid construction;
The heavy beam longeron shores diaphragm wall by diaphragm wall, its diaphragm wall is changed into the diaphragm wall that can arbitrarily shore;
The diaphragm wall that can arbitrarily shore should design longeron;
Described arbitrarily to shore diaphragm wall, its diaphragm wall is shored should be arranged at continuous wall connector.
Further, the structure of shoring is heavy back support;Heavy back support is by the heavy beam base of twin-well cylinder and instrument pit shaft group Into back support of sinking is solid construction;
The heavy back support two ends are connected with support column or supporting construction, to constitute and shore structure in length and breadth below base arrangement.
Further, the anti-grand structure has two:First, it is single to resist grand structure;2nd, combine and resist grand structure;
It is described it is single resist grand structure by fall cantilever retaining structure and resist grand divider wall constitute;
It is following that the cantilever retaining structure is arranged at heavy back support;
Described to resist grand divider wall to be located at below cantilever retaining structure, both are hinge joint;
The combination resists grand structure to resist grand structure and counter weight construction to constitute by single;
The counter weight construction has three:First, concrete matched weight structure;2nd, frozen soil counter weight construction;3rd, soil body counter weight construction;
The concrete matched weight structure is made up of rotary churning pile and bored pile;
The frozen soil counter weight construction is constituted by freezing soil layer;
The soil body counter weight construction by pressurization T-shaped open caisson, pressurization T-shaped open caisson in and banket above, and pressurize T-shaped open caisson note The slip casting calculus composition that the outside slip casting in slurry hole is constituted.
Further, the safety vent of many holes protecting wall caissons and unearthed hole design basis shore the vertical wall of many holes protecting walls Slab supporting structure design, its caisson model has two:First, porous preforming pressurization caisson;2nd, compound porous caisson;
The porous preforming pressurization caisson, is made up of porous preforming retaining wall and caisson base, and porous preforming retaining wall is precast construction, Multiple porous preforming retaining walls are linked to be by entirety by porous preforming retaining wall vertical structure, then by porous preforming retaining wall and caisson bottom The porous preforming retaining wall of seat reinforces section and reinforces connection, constitutes porous preforming pressurization caisson;
The compound porous caisson is made up of caisson base and caisson sleiding form, and its model has two:First, porous preforming pressurization is heavy Case;2nd, porous against pressurization caisson is made, porous preforming pressurization caisson is made up of, caisson sliding die porous preforming retaining wall caisson base Plate is not slided, porous preforming retaining wall direct weighting on caisson base, so, caisson is called porous preforming pressurization caisson, uses In 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 is by caisson slip Template is molded, it is porous it is inverse stressed on caisson base as retaining wall, so, caisson is called and porous inverse makees pressurization caisson;For under Portion, porous preforming retaining wall is different with engineering against both retaining walls lay length is made with porous;
The porous inverse of the compound porous caisson makees pressurization caisson, by function, is made up of caisson base and caisson sleiding form, presses Longitudinal direction, has sinking glissile segment, retaining wall to pour three kinds of section and caisson base section;
The porous inverse of the compound porous caisson makees pressurization caisson, and its is porous inverse to make retaining wall model and have two:First, porous inverse work is shored Retaining wall;2nd, porous inverse retaining wall is made without supportting;
The retaining wall pours segment model two:First, pouring section is shored;2nd, section is poured without support, shores pouring section and use I types top Support;Duan Bushe is poured without support to shore, its horizontal loading is undertaken by caisson sleiding form;
The sinking glissile segment and retaining wall pour section and are laid by caisson sleiding form, are glided into its porous inverse pressurization caisson of making Type, caisson base section is caisson base, is mechanical excacation room.
Further, the construction method has many holes protecting wall caisson methods, heavy beam longeron construction method, heavy back support construction Four kinds of method and counter weight construction construction method.
Further, many holes protecting wall caisson methods are used to shore the vertical wallboard supporting construction of many holes protecting walls, and it is applied Engineering method has two:First, porous preforming pressurization caisson method;2nd, compound porous caisson method;
The porous preforming pressurization caisson method is, by caisson base, porous preforming retaining wall to be sunk down into designed elevation;
Porous inverse the porous inverse of pressurization caisson of making makees panelling construction method and has two:First, shore and porous inverse make panelling construction method; 2nd, porous inverse panelling construction method is made without supportting;
It is described shore it is porous it is inverse make panelling construction method and shored using I types, its sequence of construction:Earth excavation caisson sinking, applies one by one If I types are shored;Vertical wallboard casement plate is laid, pours porous against retaining wall is made, both are repeated several times construction, until supporting construction reaches To 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:First, the slip of non-integral internal layer caisson is set up Template;2nd, vertical wallboard is combined using sleiding form with conventional formwork, each plays characteristic;The 3rd, suspention end template is set, is applied Work is sequentially:, earth excavation caisson sinking;, it is porous it is inverse make retaining wall pouring, both are repeated several times construction, until supporting construction reaches Designed elevation;
The longeron working measure has two:First, working measure;2nd, structural measure, working measure refers to that play movement soil layer is opened Dig, it is ensured that longeron insertion;Structural measure refers to that longeron only lays longitudinal retaining wall, and horizontal retaining wall is not laid, and longitudinal bracing work is Armored concrete vertical structure plate, armored concrete vertical structure plate should be by Specification Design, it is ensured that longeron construction safety;
The porous inverse breast wall concrete of making is constructed:Outer layer uses caisson sleiding form, nexine to use vertical wallboard casement plate;
The sinking glissile segment needs to keep normal sinking constantly to slide by a small margin, and its sinking glissile segment can not be because of the earthwork Stop excavating, and " termination " is porous against pressurization caisson sinking is made, and causes caisson sleiding form to be produced with the concrete of longitudinal retaining wall Bond;
It is the height that sinks that the retaining wall 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:First, caisson method;2nd, insertion, caisson method refer to longitudinal beam structure reinforcing bar with Porous inverse work pressurization caisson sinking is in place;Insertion refers to that longitudinal beam structure reinforcing bar is inserted directly into vertical wallboard hole in place;
The vertical wallboard is after caisson sinking, i.e., after many holes protecting walls lay, alternately to apply one by one from below to up with longeron construction Work, vertical wallboard of first constructing, longeron of constructing afterwards, both lay upwards one by one.
Further, the heavy beam longeron, its sequence of construction:, the heavy beam of single twin-well cylinder sink down into designed elevation one by one, often The play movement of the heavy beam of individual twin-well cylinder and diaphragm wall shore the operating space that all should keep enough, it is to avoid influence engineering construction;, it is double Pit shaft sinks beam, by roof timbering and both sides supporting, sets up play movement support work room;, excavate play movement soil layer, insertion The heavy beam base of twin-well cylinder;, lay diaphragm wall and shore support work room;, pour diaphragm wall shore and sink beam longeron armored concrete.
Further, the heavy back support construction method, its sequence of construction:, the twin-well heavy beam of cylinder sink down into designed elevation;, adopt Both sides supporting and roof timbering are laid with level jack, node support work room is set up;, excavate node support work room soil Side;, joint reinforcing bar colligation and concrete casting;, the twin-well heavy beam steel concrete casting of cylinder;, removal tool pit shaft.
Further, the counter weight construction construction method has three:First, concrete weight coating structure construction method;2nd, frozen soil counterweight knot Structure construction method;3rd, soil body counter weight construction construction method;
The concrete weight coating structure construction is sequentially:First construct rotary churning pile;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-shaped well sinking;Lay open caisson base plate armored concrete;Open caisson Banket in base and above.
Brief description of the drawings
Fig. 1, shore supporting construction:Plan.
Fig. 2, shore supporting construction:(2) profile (A-A).
Fig. 3, concrete weight coating structural plan figure.
Fig. 4, frozen soil counter weight construction plan.
Fig. 5, soil body counter weight construction plan.
Fig. 6, pressurization T-shaped open caisson figure:Pressurization T-shaped open caisson elevation.
Fig. 7, pressurization T-shaped open caisson figure:(2) pressurization T-shaped open caisson is changed into soil body counter weight construction figure.
Fig. 8, the heavy beam figure of twin-well cylinder:Plan.
Fig. 9, the heavy beam figure of twin-well cylinder:(2) drawing in side sectional elevation (A-A).
Figure 10, the heavy beam figure of 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) node is set up using the both sides supporting of level jack top and roof timbering Support work room.
Figure 13, heavy back support construction process figure:(3) cut the earth in node support work room.
Figure 14, heavy back support construction process figure:(4) joint reinforcing bar colligation and concrete casting.
Figure 15, heavy back support construction process figure:(5) the heavy beam steel concrete casting of twin-well cylinder and instrument pit shaft are removed.
Figure 16, heavy beam longeron 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 longeron and diaphragm wall shore construction drawing:(2) the heavy beam of twin-well cylinder sets up play movement support work room (facade).
Figure 18, heavy beam longeron and diaphragm wall shore construction drawing:(3) the play movement soil layer insertion twin-well heavy beam base of cylinder is excavated (facade).
Figure 19, heavy beam longeron and diaphragm wall shore construction drawing:(4)Lay diaphragm wall and shore support work room plane.
Figure 20, heavy beam longeron and diaphragm wall shore construction drawing:(5)Vertical cross section (A-A):Pour diaphragm wall and shore and sink beam Longeron armored concrete.
Figure 21, heavy beam longeron and diaphragm wall shore construction drawing:(6)Vertical cross section (B-B):Pour heavy beam longeron reinforced concrete Soil.
Figure 22, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):Diaphragm wall and supporting Post is constructed.
Figure 23, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):(2) it is inverse to be applied as floor Work.
Figure 24, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):(3) middle level is inverse makees beam Construction.
Figure 25, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):(4) sink beam longeron 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 is constructed.
Figure 27, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):(6) bottom cubic metre of earth is opened Dig and base arrangement construction.
Figure 28, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):(7) understructure Post, panel structure construction.
Figure 29, combination resist grand structure to shore supporting construction underground engineering construction flow chart(Cross section):(8) superstructure Post, panel structure construction.
Figure 30, single multihole caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(1)Facade.
Figure 31, single multihole caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(2)Section (A-A):It is porous Prefabricated bulkhead plane.
Figure 32, single multihole caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(3)Section (B-B):It is porous It is inverse to make pressurization caisson cross section.
Figure 33, compound porous caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:Facade.
Figure 34, compound porous caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(2) section(A-A):It is porous Prefabricated bulkhead plane.
Figure 35, compound porous caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(3) section(B-B):It is porous It is inverse to make retaining wall plane.
Figure 36, compound porous caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(4) section (C-C):It is porous Prefabricated bulkhead and shore and porous inverse make retaining wall.
Figure 37, compound porous caisson lay shores the vertical wallboard supporting construction figure of many holes protecting walls:(5) section (C-C):It is porous Prefabricated bulkhead and porous inverse make retaining wall without supportting.
Figure 38, I type are shored and inverse make retaining wall pressurization caisson figure:Facade(I types are shored and porous inverse make retaining wall).
Figure 39, I type are shored and inverse make retaining wall pressurization caisson figure:(2) section (A-A):Sinking glissile segment.
Figure 40, I type are shored and inverse make retaining wall pressurization caisson figure:(3) section (B-B):Retaining wall pours section.
Figure 41, I type are shored and inverse make retaining wall pressurization caisson figure:(4) section (C-C):Caisson base section.
Figure 42, I type are shored and inverse make retaining wall pressurization Caisson flow (vertical section) figure:Earth excavation caisson sinking by One lays I types shores.
Figure 43, I type are shored and inverse make retaining wall pressurization Caisson flow (vertical section) figure:(2) pouring of casement plate is once laid It is inverse to make breast wall concrete.
Figure 44, I type are shored and inverse make retaining wall pressurization Caisson flow (vertical section) figure:(3) under secondary earth excavation caisson It is heavy to lay I types one by one and shore.
Figure 45, I type are shored and inverse make retaining wall pressurization Caisson flow (vertical section) figure:(4) it is secondary to lay the pouring of casement plate It is inverse to make breast wall concrete.
Wherein:The single anti-anti- grand structure 4 of the combination of grand structure 3 of 1 supporting construction 2 shores supporting construction underground engineering 6 resist grand divider walls 7 to shore, and supporting construction 8 is non-to shore the frozen soil counter weight construction of 9 concrete matched weight structure of supporting construction 10 The porous preforming retaining wall of 11 soil body counter weight construction 12 reinforces the porous preforming retaining wall vertical structure holes protecting wall caisson more than 14 of section 13 15 porous preformings pressurization caisson 16 porous preforming retaining wall, 17 vertical load, 18 horizontal loading 19 swells load more than 20 The base arrangement 23 of holes protecting wall 22 falls the coagulation of 26 panel structure of cantilever retaining structure 24 support column, 25 structural column 27 The slip casting calculus 34 of 32 bored pile of native counterweight 28 frozen soil counterweight, 29 soil body counterweight, 31 rotary churning pile 33 freezes soil layer 35 The open caisson base plate 40 of 38 open caisson base of pressurization T-shaped 37 injected hole of open caisson of compound porous caisson 36 39 is shored porous It is inverse to make retaining wall 41 and porous inverse make the diaphragm wall of 43 diaphragm wall of retaining wall, 44 diaphragm wall seam 45 and shore 46 to shore pouring without supportting It is vertical that section 47 pours horizontal retaining wall 50 caisson base, the 51 caisson sleiding forms 52 of longitudinal retaining wall 49 of section 48 without support The hinge joint 55 soil layer 56 twin-well cylinder heavy beam base 59 of the heavy twin-well of beam 58 cylinder of wallboard casement plate 54 sinks that beam longeron 60 is inverse to be made The middle level of floor 61 is inverse to be made beam 64 and sinks the support work of 67 both sides supporting of back support 65 instrument pit shaft, 66 roof timbering 68 Shore structure 72 and resist the porous inverse work of 73 counter weight construction of grand structure, 74 underground engineering 75 to pressurize under caisson 76 in room 71 The heavy retaining wall of glissile segment 77 pours the caisson base of the section 78 section I types of 79 jack 80 and shores 81 and once lay I types to be shored Lay I types for 82 2 times and shore to lay I types for 83 3 times and shore to lay I types for 84 4 times and shore 85 and porous inverse make retaining wall 86 Vertical wallboard 87 is shored the vertical safety vent 93 of wallboard supporting construction 92 of many holes protecting walls and is unearthed the longeron of 94 ground of hole 97 The cutting shoe of 98 play movement 99 is shored 100 and porous inverse makees the mechanical excacation room of retaining wall end template 101.
Specific embodiment
Specific embodiment of the invention is illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 1-Figure 45.
Fig. 1, Fig. 2:Shore supporting construction 7 using shoring the vertical wallboard supporting construction 87 of many holes protecting walls, vertical load 17 by Undertaken against floor 60 is made;, through shoring the vertical wallboard supporting construction 87 of many holes protecting walls, to make floor 60, middle level inverse by inverse for horizontal loading 18 Make beam 61 and heavy back support 64 undertakes;Because geological characteristics are different, the pattern of anti-grand structure 72 for undertaking protuberance load 19 has two: First, single anti-grand structure 2;2nd, anti-grand structure 3 is combined.Single anti-grand structure 2 is by falling cantilever retaining structure 23 and anti-grand isolation 6 Composition;The anti-grand structure 3 of combination is made up of single anti-grand structure 2 and counter weight construction 73.
Fig. 3, Fig. 4, Fig. 5:Counter weight construction 73 has three:First, concrete matched weight structure 9;2nd, frozen soil counter weight construction 10;3rd, soil Body counter weight construction 11.Concrete matched weight structure 9 is made up 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 up of pressurization T-shaped open caisson 36 and slip casting calculus 33.Pressurization T-shaped open caisson 36 is by base open caisson 38 and instrument pit shaft 65 constitute, base open caisson 38 lays base open caisson base plate 39, and the counterweight of its pressurization T-shaped open caisson 36 is heavy for base With soil layer 55 above in well 38, and its deadweight.
Fig. 6, Fig. 7:Pressurization T-shaped open caisson 36 is made up of open caisson base 38 and instrument pit shaft 65.
Fig. 8, Fig. 9, Figure 10:The heavy beam 56 of twin-well cylinder is made up of the heavy beam base 58 of twin-well cylinder and instrument pit shaft 65.
Figure 11, Figure 12, Figure 13, Figure 14, Figure 15:Heavy back support sequence of construction:1st, the heavy beam 56 of twin-well cylinder sinks down into design mark It is high;2nd, roof timbering 66 is laid using level jack 79 and node support work room 68 is set up in both sides supporting 67;3rd, section is excavated 68 cubic metres of earth of point support work room;4th, joint reinforcing bar colligation and concrete casting;5th, the twin-well heavy steel bar concrete water of beam 56 of cylinder and Instrument pit shaft 65 is removed, and so far, the heavy beam 56 of twin-well cylinder is changed into heavy back support 64.Heavy back support 64 sinking to add using jack 79 Pressure.
Figure 16, Figure 17, Figure 18, Figure 19, Figure 20, Figure 21:Heavy beam longeron 59 and diaphragm wall shore 45 sequences of construction:1st, even Continuous wall 43 has been constructed, and the heavy beam 56 of twin-well cylinder sinks down into designed elevation;2nd, the heavy beam 56 of twin-well cylinder sets up the support work of play movement 98 Room 68;3rd, the soil layer insertion twin-well of the play movement 98 heavy beam base 58 of cylinder is excavated;4th, lay diaphragm wall and shore 44 support work rooms 68; 5th, pour diaphragm wall and shore 45 and the heavy armored concrete of beam longeron 59.So far, the heavy beam 56 of twin-well cylinder is changed into heavy beam longeron 59.Heavy beam Longeron 59 can shore diaphragm wall 43 or single pile supporting construction, and diaphragm wall is shored 45 and is arranged at diaphragm wall seam 44, single pile supporting Structure is shored for one one.Heavy beam longeron 59 sinking to pressurizeed using jack 79.
Figure 22, Figure 23, Figure 24, Figure 25, Figure 26, Figure 27, Figure 28, Figure 29:The anti-grand structure 3 of combination shores supporting construction underground The sequence of construction of engineering 4:1st, diaphragm wall 43 and support column 24 are constructed;2nd, it is inverse to make floor 60 and construct;3rd, middle level is inverse makees beam 61 and constructs;4、 Heavy beam longeron 59 and diaphragm wall shore 45 constructions;5th, back support 64 of sinking is constructed;6th, counter weight construction 73 is constructed;7th, bottom earth excavation Constructed with base arrangement 22;8th, understructure post 25, panel structure 26 are constructed;9th, superstructure post 25, panel structure 26 are constructed. This figure, as supporting construction 1, supporting knot is shored by laying heavy beam longeron 59 using the non-supporting construction 8 of shoring of diaphragm wall 43 by non- Structure 8 is changed into shoring supporting construction 7;Using the supporting construction of shoring of Caisson, without figure, two kinds are shored supporting knot to underground engineering 4 The functional characteristic of structure 7 is identical, but is applicable each one to soil layer geological characteristics.
Shoring the construction characteristic of supporting construction underground engineering 4 has three:First, ground floor is laid using contrary sequence method, makes construction period Minimum is disturbed to city;2nd, using supporting construction 7 is shored, the anti-grand supporting construction that structure 71 and counter weight construction 73 are constituted is shored, End human society lays underground engineering 74 and is controlled by Geotechnical Engineering, the history of Frequent Accidents;3rd, applied using public tunnel mode If underground engineering 74, it is to avoid often " slide fastener ", pollute environment, it is ensured that urban life is orderly in city.It is not difficult to find out, even if existing Diaphragm wall 43 and caisson etc. are non-to shore supporting construction 8, by design measure and working measure, is changed into shoring supporting construction 7, really It is a kind of effective supporting scheme.
Shore the construction of supporting construction underground engineering 4 and depend on engineering Geological Characteristics, supporting depth, construction technology(The road practice, The positive practice), and earth excavation pattern;In addition, the road network section pattern of multidimensional traffic network has three:One layer of section pattern, two Layer section pattern, three layers of section pattern, so, its construction has changeability, diversity.Method is without the method for determining.
It is that the engineering longitudinal direction standard width of a room in an old-style house is unrestricted to shore the great advantage of supporting construction 7, can arbitrarily be set, and very big limit is convenient more Dimension traffic network " modified line ".In one word, the exploitation of underground engineering 74, only abandon existing supporting pattern, because of engineering Suiting measures to different conditions, is not restricted to one pattern, and can just walk out current difficult border.
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, its supporting construction 1 is non-top Support supporting construction 8.Shore the vertical wallboard supporting construction 87 of many holes protecting walls and referred to as shore 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, its work Journey is referred to as shoring supporting construction underground engineering 4;The supporting construction 1 of underground engineering 74 can not be set arbitrarily shores, and its engineering is referred to as It is non-to shore supporting construction underground engineering 5.Non- supporting construction 8 of shoring can be by structural measure:It is anti-grand that the realization of heavy beam longeron 59 is set Supporting construction.
Single anti-grand structure 2 depends on geological characteristics with anti-grand structure 3 is combined, and both differences are counter weight construction 73, The former not establishing weight structure 73, the latter sets counter weight construction 73.
Figure 30, Figure 31, Figure 32:The vertical wallboard supporting construction 87 of many holes protecting walls is shored to be applied using porous preforming pressurization caisson 15 If.Porous preforming pressurization caisson 15 is made up 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 structure by porous preforming retaining wall vertical structure 13, then by porous preforming retaining wall 16 reinforce the reinforcing of section 12 with the porous preforming retaining wall of caisson base 50 is connected, and constitutes porous preforming pressurization caisson 15;
Porous preforming pressurization caisson 15, in fact, caisson to assemble many holes protecting walls 20 on the spot, for caisson, increases many one by one Hole prefabricated bulkhead 16, pressurizes one by one, sinks one by one, it is adaptable to soft soil layer.
Figure 33, Figure 34, Figure 35, Figure 36, Figure 37:The vertical wallboard supporting construction 87 of many holes protecting walls is shored using compound porous heavy Case 35 lays.Compound porous caisson 35 is made up of caisson base 50 and caisson sleiding form 51, and its model has two:First, it is porous pre- System pressurization caisson 15;2nd, porous inverse work pressurization caisson 75, porous preforming pressurization caisson 15, by the caisson bottom of porous preforming retaining wall 16 Seat 50 is constituted, and caisson sleiding form do not slide, the direct weighting of porous preforming retaining wall 16 on caisson base 50, so, caisson claims It is porous preforming pressurization caisson 75, for top;Porous inverse pressurization caisson 75 inverse makees retaining wall 85 and caisson base 50 by porous Constitute, it is porous it is inverse make retaining wall 85 and be molded by caisson sleiding form 51, it is porous it is inverse make retaining wall 85 and stress on caisson base 50, institute So that caisson is called porous inverse pressurization caisson 75;For bottom, porous preforming retaining wall 16 lays with porous inverse both retaining walls 85 of making Length is different with engineering.
The porous inverse of compound porous caisson 14 makees pressurization caisson 75, by function, by caisson base 50 and caisson sleiding form 51 compositions, by longitudinal direction, have sinking glissile segment 76, retaining wall to pour 78 3 kinds of section 77 and caisson base section;
The porous inverse of compound porous caisson 14 makees pressurization caisson 75, and its is porous inverse to make the model of retaining wall 85 and have two:First, shore porous inverse Make retaining wall 40;2nd, porous inverse retaining wall 41 is made without supportting;
Retaining wall pours the model of section 77 two:First, pouring section 46 is shored;2nd, section 47 is poured without support, shores pouring section and use I types top Support 80;Pour section 47 and do not set without support and shore, its 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, are glided with its porous inverse pressurization caisson 75 of making Shaping, caisson base section 78 i.e. caisson base 50, is 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 many holes protecting walls 87 design requirements determine;
Porous inverse the porous inverse of pressurization caisson 75 of making makees the construction method of retaining wall 85 and has two:First, shore and porous inverse make the construction method of retaining wall 85; 2nd, porous inverse the construction method of retaining wall 85 is made without supportting;Shore it is porous it is inverse make the construction method of retaining wall 85 and shore 80 using I types, its sequence of construction: 1 earth excavation caisson sinking, lays I types and shores 80 one by one;2 lay vertical wallboard casement plate 52, pour it is porous it is inverse make retaining wall 85, Both are repeated several times construction, until supporting construction 1 reaches designed elevation.Without support it is porous it is inverse make retaining wall 85 and construct not set to shore, can Take working measure:First, non-integral internal layer caisson sleiding form 51 is set up;2nd, vertical wallboard 86 uses sleiding form and routine Formwork is combined, and each plays characteristic;The 3rd, suspention end template, sequence of construction are set:1st, earth excavation caisson sinking;2nd, it is porous inverse Make retaining wall 85 to pour, both are repeated several times construction, until supporting construction 1 reaches designed elevation.
The working measure of longeron 97 has two:First, working measure;2nd, structural measure, working measure refers to the soil layer of play movement 98 55 remove, it is ensured that the insertion of longeron 97;Structural measure refers to that longeron 97 only lays longitudinal retaining wall 48, and horizontal retaining wall 49 is not laid, is indulged Armored concrete vertical structure plate is designed as to retaining wall 48, armored concrete vertical structure plate should be by Specification Design, it is ensured that longeron 97 construction safeties.
It is porous inverse to make the concrete construction of retaining wall 85:Outer layer uses caisson sleiding form 51, nexine to use vertical wallboard casement Plate 52;
Sinking glissile segment 76 needs to keep normal sinking (constantly sliding by a small margin), and its sinking glissile segment 76 can not be because of soil Side stops excavating, and " termination " porous inverse pressurization caisson 75 of making sinks, and causes caisson sleiding form 51 mixed with longitudinal retaining wall 48 Solidifying local products life is bonded;
It is the height that sinks that retaining wall pours section 77, i.e., porous every time inverse to make the concrete casting of retaining wall 85 highly;
The structure reinforcing bars installation method of longeron 97 has two:First, caisson method;2nd, insertion, caisson method refer to the structure reinforcing bars of longeron 97 with Porous inverse pressurization caisson 75 of making sinks in place;Insertion refers to that the structure reinforcing bars of longeron 97 are inserted directly into the hole of vertical wallboard 86 just Position.
Vertical wallboard 86 is after caisson sinking, i.e., after many holes protecting walls 20 lay, from below to up one by one with the construction of longeron 97 Alternately construct, vertical wallboard 80 of first constructing, longeron 97 of constructing afterwards, both lay upwards one by one;
General Caisson feature has two:One is difficulty of sinking;Two is that surrounding is collapsed.Porous inverse pressurization caisson 75 of making sinks to holding Easily, but to prevent to collapse not a duck soup.Want to prevent to collapse, it is important to which cutting curb is designed.If cutting shoe is reversely set by drawing Put, steel plate section is set up in cutting shoe lower end, its soil body is outwards pushed, on condition that the surrounding soil body is not collapsed or swelled.It is porous inverse Make the cutting shoe design of pressurization caisson 75 not being restricted to one pattern, can method obtain the idiocratically layer application of different geology without the method for determining, and not produce geology Accident(Collapse or swell)It has been exactly method.
If porous inverse work pressurization caisson 75 is more long, geological characteristics are poor, and settable cutting shoe 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 is constituted, and by longitudinal direction, pours section 77 by sinking glissile segment 76, retaining wall and caisson base section 78 is constituted.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 many holes protecting walls.
The existing pattern of civil engineering jack 79 has two:One is conventional hydraulic jack 97;Two is sliding formwork hollow jack 97.Jack 97 is the porous inverse key equipment for making pressurization caisson 75, but because porous inverse pressurization caisson 75 technique of making is different, can Selected by actual conditions.
Figure 42, Figure 43, Figure 44, Figure 45:Shore the vertical wallboard supporting construction 87 of many holes protecting walls heavy using porous inverse work pressurization The construction method of case 75.The porous inverse work pressurization sequence of construction of caisson 75:Earth excavation caisson sinking, lays I types and shores 80 one by one;Lay Vertical wallboard casement plate 52;Install and porous inverse make retaining wall end template 100;Pour and porous inverse make the concrete of retaining wall 85.Sink and pour Both fillings are repeated several times one by one lays, untill supporting construction reaches designed elevation.
Grand supporting construction is resisted to be described respectively by structure, construction method and conclusion
First, structure
Resist grand supporting construction by shoring the vertical wallboard supporting construction of many holes protecting walls, heavy beam longeron, shore structure, resist grand structure, match somebody with somebody Weight structure and many holes protecting wall caissons are described respectively.
Shore the vertical wallboard supporting construction of many holes protecting walls
Shore the vertical wallboard supporting construction of many holes protecting walls, its structure by longeron, it is porous it is inverse make retaining wall and vertical wallboard is constituted, it is porous There are two kinds of safety vent and unearthed hole, porous quantity determines according to geological characteristics and supporting depth.So-called supporting construction of shoring is Refer to that supporting construction sets longeron, shore structure design and do not limited by longeron span and floor height.This is to shore supporting construction and show There is supporting construction(Diaphram wall and caisson)Fundamental difference.
Heavy beam longeron
Heavy beam longeron is made up of multiple twin-wells heavy beam of cylinder.
Shore structure
Shoring structure has three:First, it is inverse to make floor;2nd, middle level is inverse makees beam;3rd, the back that sinks is supportted.
Resist grand structure
Resisting grand structure has two:One is single anti-grand structure;Two is that combination resists grand structure.It is single to resist grand structure by hanging arm supporting knot by the feet Structure and anti-grand divider wall composition.Hanging arm by the feet and be arranged at the support of heavy back can prevent uplift of soil below, and its structure is referred to as hanging arm branch by the feet Protection structure.The purpose for resisting grand divider wall is to slow down soil mass of foundation pit protuberance, resists grand divider wall to be hinge joint with cantilever retaining structure, its Length is depending on geological characteristics.Combination resists grand structure to resist grand structure and counter weight construction to constitute by single.
Counter weight construction
Counter weight construction refers to soil mass of foundation pit protuberance, sets uplift of soil in counter weight construction resistance foundation ditch, and its structure is referred to as counterweight knot Structure, counter weight construction is also called and virtually resists grand base plate, and its structure type has three:One is concrete matched weight structure;Two is frozen soil counterweight Structure;3rd, soil body counter weight construction;
(1)Concrete matched weight structure
Concrete weight coating counter weight construction is made up of drilled pile, rotary churning pile and bored pile.
(2)Frozen soil counter weight construction
Frozen soil counter weight construction is made up of frozen soil.
(3)Soil body counter weight construction
Soil body counter weight construction is that, using the grid T-shaped well sinking that pressurizes, open caisson sets reinforced concrete floor.In open caisson and open caisson The weight realization of the upper stacking soil body and open caisson itself is anti-grand, and its anti-grand referred to as soil body counterweight resists grand.
Many holes protecting wall caissons
Many holes protecting wall caissons have two:First, porous preforming pressurization caisson;2nd, compound porous caisson.
Porous preforming pressurization caisson
Porous preforming pressurization caisson is made up of porous preforming retaining wall and caisson base.
Compound porous caisson
Compound porous caisson has two aspects:First, porous preforming pressurization caisson, is made up of porous preforming retaining wall and caisson base, For top;2nd, it is porous inverse to make pressurization caisson.It is porous it is inverse make pressurization caisson, by structure by caisson base and caisson sleiding form Constitute, by being longitudinally divided into three sections:First, sinking glissile segment;2nd, retaining wall pours section;3rd, caisson base section, for bottom.
2nd, construction method
Resist grand support construction by shoring the vertical wallboard support construction method of many holes protecting walls, heavy beam longeron construction method, heavy top Support structure construction method, anti-grand structure construction method, counter weight construction construction method and underground engineering construction method are described respectively.
, shore the vertical wallboard support construction method of many holes protecting walls
Many holes protecting walls are laid using many holes protecting wall caissons, multiple many holes protecting walls are linked as entirety, then laid one by one from below to up Vertical wallboard and longeron are constituted shores the vertical wallboard supporting construction of many holes protecting walls
2nd, heavy beam longeron construction method
Heavy beam longeron and diaphragm wall shore 45 sequences of construction:1st, diaphragm wall has been constructed, and the heavy beam of twin-well cylinder sinks down into designed elevation; 2nd, the heavy beam of twin-well cylinder sets up play movement support work room;3rd, the play movement soil layer insertion twin-well heavy beam base of cylinder is excavated;4th, apply If diaphragm wall shores support work room;5th, pour diaphragm wall and shore and sink beam longeron armored concrete.
Shore structure construction method
Shoring structure construction method has three:First, it is inverse to make floor slab construction method;2nd, middle level is inverse makees post construction method;3rd, back support of sinking is constructed Three kinds of method.
(1)It is inverse to make floor slab construction method
Ground floor uses reverse construction.
(2)Middle level is inverse to make beam construction method.
Intermediate floor constructions use girder adverse construction method, and floor do not construct, and its method is referred to as that middle level is inverse to make beam construction method.
(3)Heavy back support construction method
Heavy back support construction is carried out by following procedure:1st, the heavy beam of twin-well cylinder sinks down into designed elevation;2nd, applied using level jack If node support work room is set up in roof timbering and both sides supporting;3rd, node support work room cubic metre of earth is excavated;4th, joint reinforcing bar is tied up Prick and concrete casting;5th, the heavy beam steel concrete casting of twin-well cylinder;6th, removal tool pit shaft.
Resist grand structure construction method
Resisting grand structure construction method has two:First, supporting resists grand construction method;2nd, combine and resist grand construction method.Supporting resists the grand construction method to refer to Protuberance load only by supporting construction undertake i.e. by fall cantilever retaining structure and resist grand divider wall undertake;Combination resists grand construction method by propping up Shield resists grand structure construction method and counter weight construction construction.
Counter weight construction construction method
Counter weight construction construction method has three:One is concrete weight coating structure construction method;Two is frozen soil counter weight construction construction method;3rd, soil Body counter weight construction construction method.
(1)Concrete weight coating structure construction method
Concrete weight coating structure construction is carried out by drilled pile construction, jet grouting pile construction, bored pile sequence of construction successively, is ultimately formed 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-shaped open caisson, T-shaped open caisson base plate is poured;Banketed in T-shaped open caisson;Remove pit shaft.
Underground engineering construction method
Underground engineering construction method has shores supporting construction underground engineering construction method and non-shores supporting construction underground engineering construction method Two kinds.
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 supporting construction underground engineering construction method point single anti-grand structure is non-shores supporting construction underground engineering construction Anti- grand structure is non-shores two kinds of supporting construction underground engineering construction method for method and combination.
3rd, conclude the speech
Underground space development increases a kind of brand-new support theory --- and resist grand support theory, can ensure that city automobile underground (Underground highway)Construction safety, terminates human society to Underground Space Resource exploitation entirely with geological characteristics or so, and engineering is not Safety, the history that serious accident takes place frequently.Can certainly, Underground Space Resource is developed there is great epoch-making " revolution ", Urban traffic model is replaced by mode motor by ground rail mode, and construction safety is ensured.In other words, road tunnel realizes intelligence Traffic construction is ensured that safely the Urban Underground Space Excavation premised on shield-tunneling construction technique will be as history.

Claims (11)

  1. It is 1. a kind of to resist 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)-the shore vertical wallboard supporting construction (87) of many holes protecting walls-shore structure (71), its structure has shores many holes protecting walls Vertical wallboard supporting construction (87), heavy beam longeron (59), shore structure (71), anti-grand structure (72) and many holes protecting wall caissons , and its construction method (14).
  2. 2. grand supporting construction is resisted according to claim 1, it is characterised in that:It is described to shore the vertical wallboard supporting knot of many holes protecting walls Structure (87) is made up of multiple many holes protecting walls (20), and many holes protecting walls (20) are made up of longitudinal retaining wall (48) and horizontal retaining wall (49);
    The many holes protecting walls (20) for shoring the vertical wallboard supporting construction (87) of many holes protecting walls have porous preforming retaining wall (16) and many Hole is inverse to make (85) two kinds of retaining wall;
    It is described to shore the vertical wallboard supporting construction (87) of many holes protecting walls, by its structure, by many holes protecting walls (20), vertical wallboard (86) Constituted with longeron (97);
    The porous of many holes protecting walls (20) has (93) two kinds of safety vent (92) and unearthed hole;
    Many hole number base area matter characteristics and supporting depth of many holes protecting walls (20) determine;
    The size in vertical wallboard (86) hole depends on supporting construction (1) and designs and constructing operation.
  3. 3. grand supporting construction is resisted according to claim 1, it is characterised in that:The heavy beam longeron (59) is heavy by multiple twin-wells cylinder Beam (56) is constituted, and the heavy beam (56) of twin-well cylinder is made up of the heavy beam base (58) of twin-well cylinder and instrument pit shaft (65), heavy beam longeron (59) It is solid construction;
    The heavy beam longeron (59) is shored (45) and shores diaphragm wall (43) by diaphragm wall, and being changed into its diaphragm wall (43) can be any The diaphragm wall (43) shored;
    The diaphragm wall (43) that can arbitrarily shore should design longeron (97);
    Described arbitrarily to shore diaphragm wall (43), its diaphragm wall shores (45) should be arranged at diaphragm wall (43) joint.
  4. 4. grand supporting construction is resisted according to claim 1, it is characterised in that:The structure (71) of shoring is heavy back support (64);Heavy back support (64) is made up of the heavy beam base (58) of twin-well cylinder and instrument pit shaft (65), and back support (64) that sinks is solid knot Structure;
    Heavy back support (64) two ends are connected with support column (24) or supporting construction (1), and composition base arrangement (22) is below Structure (71) is shored in length and breadth.
  5. 5. grand supporting construction is resisted according to claim 1, it is characterised in that:The anti-grand structure (72) has two:First, it is single anti- Grand structure (2);2nd, combine and resist grand structure (3);
    It is described single to resist grand structure (72) by falling cantilever retaining structure (23) and anti-grand divider wall (6) constitutes;
    The cantilever retaining structure (23) is arranged at heavy back support (64) below;
    Positioned at cantilever retaining structure (23) below, both are hinge joint (54) to the anti-grand divider wall (6);
    (3 resist grand structure (2) and counter weight construction (73) to constitute to the anti-grand structure of combination by single;
    The counter weight construction (73) has three:First, concrete matched weight structure (9);2nd, frozen soil counter weight construction (10);3rd, soil body counterweight Structure (11);
    The concrete matched weight structure (9) is made up of rotary churning pile (31) and bored pile (32);
    The frozen soil counter weight construction (10) is constituted by freezing soil layer (34);
    The soil body counter weight construction (11) is by pressurization T-shaped open caisson (36), pressurization T-shaped open caisson (36) is interior and bankets above, Yi Jijia The injected hole (37) of pressure T-shaped open caisson (36) slip casting calculus (33) composition that outwards slip casting is constituted.
  6. 6. according to anti-grand supporting construction described in claim 1, it is characterised in that:The safety vent of many holes protecting wall caissons (14) (92) designed according to the vertical wallboard supporting construction (87) of many holes protecting walls is shored with unearthed hole (93) design, its caisson model has two: First, porous preforming pressurization caisson (15);2nd, compound porous caisson (35);
    Porous preforming pressurization caisson (15), is made up 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 into 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) reinforcing to be connected, constitutes many The prefabricated pressurization caisson (15) in hole;
    The compound porous caisson (35) is made up of caisson base (50) and caisson sleiding form (51), and its model has two:First, it is many The prefabricated pressurization caisson (15) in hole;2nd, porous against pressurization caisson (75) is made, porous preforming pressurization caisson (15) is protected by porous preforming Wall (16) caisson base (50) are constituted, and caisson sleiding form is not slided, and porous preforming retaining wall (16) direct weighting is in caisson base (50) on, so, caisson is called porous preforming pressurization caisson (15), for top;It is porous inverse to make pressurization caisson (75) by many The inverse retaining wall (85) of making in hole is constituted with caisson base (50), and porous inverse retaining wall (85) of making is more by caisson sleiding form (51) shaping Hole is inverse to be made retaining wall (85) and stresses on caisson base (50), so, caisson is called and porous inverse makees pressurization caisson (75);For Bottom, porous preforming retaining wall (16) is different with engineering against both retaining wall (85) lay lengths are made with porous;
    The porous inverse of the compound porous caisson (35) makees pressurization caisson (75), by function, is slided by caisson base (50) and caisson Moving platen (51) is constituted, and by longitudinal direction, has sinking glissile segment (76), retaining wall to pour (78) three kinds of section (77) and caisson base section;
    The porous inverse of the compound porous caisson (35) makees pressurization caisson (75), and its is porous inverse to make retaining wall (85) model and have two:First, Shore and porous inverse make retaining wall (40);2nd, porous inverse retaining wall (41) is made without supportting;
    The retaining wall pours section (77) model two:First, pouring section (46) is shored;2nd, section (47) is poured without support, shores pouring Section (46) is shored (80) using I types;Pour section (47) and do not set without support and shore, its horizontal loading (18) is by caisson sleiding form (51) Undertake;
    The sinking glissile segment (76) and retaining wall pour section (77) and are laid by caisson sleiding form (51), porous inverse are pressurizeed with its Caisson (75) glides and is molded, and caisson base section (78) is caisson base (50), is mechanical excacation room (101).
  7. 7. according to anti-grand supporting construction described in claim 1, it is characterised in that:The construction method has many holes protecting wall caissons (14) to construct Method, heavy beam longeron (59) construction method, heavy back support four kinds of (64) construction method and counter weight construction (73) construction method.
  8. 8. grand supporting construction is resisted according to claim 1 or 7, it is characterised in that:Many holes protecting wall caisson (14) construction methods For shoring the vertical wallboard supporting construction (87) of many holes protecting walls, its construction method has two:First, porous preforming pressurization caisson (15) construction Method;2nd, compound porous caisson (35) construction method;
    Described porous preforming pressurization caisson (15) construction method is, by caisson base (50), porous preforming retaining wall (16) to be sunk down into Designed elevation;
    Porous inverse the porous inverse of pressurization caisson (75) of making makees retaining wall (85) construction method and has two:First, shore and porous inverse make retaining wall (40) construction method;2nd, porous inverse retaining wall (41) construction method is made without supportting;
    It is described shore it is porous it is inverse make retaining wall (85) construction method (80) shored using I types, its sequence of construction:1) under earth excavation caisson It is heavy, I types are laid one by one to be shored (80);2) vertical wallboard casement plate (52) is laid, pours porous against retaining wall (85) is made, both are multiple 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:First, non-integral internal layer caisson is set up Sleiding form (51);2nd, vertical wallboard (86) is combined using sleiding form with conventional formwork, each plays characteristic;3rd, set outstanding Hang end template, sequence of construction:1st, earth excavation caisson sinking;2nd, porous inverse retaining wall (85) of making is poured, and both are repeated several times construction, Until supporting construction (1) reaches designed elevation;
    Longeron (97) working measure has two:First, working measure;2nd, structural measure, working measure refers to play movement (98) Soil layer (55) is excavated, it is ensured that longeron (97) insertion;Structural measure refers to that longeron (97) only lays longitudinal retaining wall (48), does not lay horizontal stroke 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 is designed, it is ensured that longeron (97) construction safety;
    It is described porous inverse to make retaining wall (85) concrete construction:Outer layer uses caisson sleiding form (51), nexine to use vertical wallboard Casement plate (52);
    The sinking glissile segment (76) needs to keep normal sinking (constantly sliding by a small margin), its sinking glissile segment (76) Can not stop excavating because of the earthwork, and " termination " is porous against pressurization caisson (75) sinking is made, and causes caisson sleiding form (51) and indulges Bonding is produced to the concrete of retaining wall (48);
    It is the height that sinks that the retaining wall pours section (77), i.e., porous every time inverse to make retaining wall (85) concrete casting highly;
    Longeron (97) the structure reinforcing bars installation method has two:First, caisson method;2nd, insertion, caisson method refers to longeron (97) knot Structure reinforcing bar sinks in place with porous inverse pressurization caisson (75) of making;Insertion refers to that longeron (97) structure reinforcing bars are inserted directly into vertical wall It is in place in plate (86) hole;
    The construction of the vertical wallboard (86) and longeron (97) is after caisson sinking, i.e., after many holes protecting walls (20) are laid, from lower On one by one alternately construct, vertical wallboard (86) of first constructing, afterwards construct longeron (97), both lay upwards one by one.
  9. 9. grand supporting construction is resisted according to claim 1 or 7, it is characterised in that:The heavy beam longeron (59), its construction is suitable Sequence:1st, the heavy beam (56) of single twin-well cylinder sinks down into designed elevation one by one, the play movement (98) of the heavy beam (56) of each twin-well cylinder and Diaphragm wall shores the operating space that (45) all should keep enough, it is to avoid influence engineering construction;2nd, the heavy beam (56) of twin-well cylinder, by top Slab supporting (66) and both sides supporting (67), set up play movement (98) support work room (68);3rd, play movement (98) soil is excavated Layer (55), the heavy beam base (58) of insertion twin-well cylinder;4th, lay diaphragm wall and shore (45) support work room (68);5th, diaphragm wall is poured Shore (45) and heavy beam longeron (59) armored concrete.
  10. 10. grand supporting construction is resisted according to claim 1 or 7, it is characterised in that:Described heavy back support (64) construction method, its Sequence of construction:1st, the heavy beam (56) of twin-well cylinder sinks down into designed elevation;2nd, both sides supporting (67) is laid using level jack (79) With roof timbering (66), node support work room (68) is set up;3rd, node support work room (68) earthwork is excavated;4th, joint reinforcing bar Colligation and concrete casting;5th, heavy beam (56) steel bar concrete water of twin-well cylinder;6th, removal tool pit shaft (65).
  11. 11. resist grand supporting construction according to claim 1 or 7, it is characterised in that:Counter weight construction (73) construction method has Three:First, concrete matched weight structure (9) construction method;2nd, frozen soil counter weight construction (10) construction method;3rd, soil body counter weight construction (11) Construction method;
    Concrete matched weight structure (9) sequence of construction:First construction rotary churning pile (31);Construction bored pile (32) afterwards;
    Frozen soil counter weight construction (10) construction is constructed using soil layer (34) is freezed;
    Soil body counter weight construction (11) sequence of construction:Pressurization T-shaped open caisson (36) is sunk;Lay open caisson base plate (39) reinforcing bar Concrete;Banket in open caisson base (38) and above.
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