CN108166528B - Subway station construction method of underground continuous wall in a kind of confined space - Google Patents

Subway station construction method of underground continuous wall in a kind of confined space Download PDF

Info

Publication number
CN108166528B
CN108166528B CN201711460637.9A CN201711460637A CN108166528B CN 108166528 B CN108166528 B CN 108166528B CN 201711460637 A CN201711460637 A CN 201711460637A CN 108166528 B CN108166528 B CN 108166528B
Authority
CN
China
Prior art keywords
cage
reinforcement cage
steel reinforcement
slot
decentralization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711460637.9A
Other languages
Chinese (zh)
Other versions
CN108166528A (en
Inventor
邓永斌
汤永久
程闯
昝永奇
陈明春
徐成双
娄闪
曹俊林
陈星�
毕永洪
姚永久
刘贯中
姜小琦
刘永庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway First Engineering Group Co Ltd
China Railway First Engineering Group Co Ltd Guanzhou Branch
China Railway First Engineering Group Guangzhou Construction Engineering Co Ltd
Original Assignee
China Railway First Engineering Group Co Ltd
China Railway First Engineering Group Co Ltd Guanzhou Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway First Engineering Group Co Ltd, China Railway First Engineering Group Co Ltd Guanzhou Branch filed Critical China Railway First Engineering Group Co Ltd
Priority to CN201711460637.9A priority Critical patent/CN108166528B/en
Publication of CN108166528A publication Critical patent/CN108166528A/en
Application granted granted Critical
Publication of CN108166528B publication Critical patent/CN108166528B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/18Bulkheads or similar walls made solely of concrete in situ

Abstract

The invention discloses subway station construction method of underground continuous wall in a kind of confined space, comprising steps of Step 1: trenching construction: being constructed using slot of the groover to constructed diaphram wall;Step 2: reinforcing bar cage hoisting decentralization channel determines: the length of accessible slot section measures respectively in the length and slot to slot, and is determined according to measurement result to reinforcing bar cage hoisting decentralization channel;Step 3: steel reinforcement cage presses Division and binding;Step 4: translation installation steel reinforcement cage installation;Step 5: decentralization installation steel reinforcement cage installation;Step 6: underwater concrete construction.The present invention predefines reinforcing bar cage hoisting and transfers channel, and by bind by Division and respectively to wall steel bar basket structure, corresponding installation method is used to by the different steel reinforcement cages of Division simultaneously, the diaphram wall wall steel reinforcement cage installation process that energy is easy, is rapidly completed in the confined space, work progress are safe and reliable.

Description

Subway station construction method of underground continuous wall in a kind of confined space
Technical field
The invention belongs to underground continuous wall construction technique fields, more particularly, to subway station in a kind of confined space Construction method of underground continuous wall.
Background technique
Diaphram wall is that foundation engineering uses a kind of trench machine on the ground, along all side axis of deep excavation project Line excavates out a long and narrow deep trouth under the conditions of mud off, after clear slot, steel reinforcement cage is hung in slot, then uses tremie method Underwater concreting with tremie method builds up a unit groove section, so carries out paragraph by paragraph, builds up continuous reinforced concrete wall together in underground Wall, as intercept water, antiseepage, load-bearing, water-retaining structure.Subway is a kind of form of railway transportation, refers to the city based on running in underground City's Rail Transit System, i.e. " underground railway " or " subway ".
Since bustling location of the subway station usually in urban district is built, thus subway station diaphram wall is applied Working hour not only avoids the influence of the existing building and/or existing buildings that will receive locating construction area, wherein existing building Object and existing buildings are referred to as barrier.Under the prior art and process conditions, the construction area locating for diaphram wall is deposited The barriers such as existing bridge, building, overhead high-voltage wire the confined space (specifically referring to barrier) in, because by safety away from From limitation, the lifting of diaphram wall steel reinforcement cage, installation difficulty are very big, especially when confined space height is less than lifting When mechanical height, directly resulting in can not construct.Thus, it need to design in the case where a kind of not removal of the obstacles in a limited space Diaphragm wall steel reinforcement cage is lifted by crane, is installed, and construction of diaphragm wall process in the easy completion confined space.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of confined space Interior subway station construction method of underground continuous wall predefines reinforcing bar cage hoisting and transfers channel, and by wall steel bar cage knot Structure bound by Division and respectively, while using corresponding installation method, energy to by the different steel reinforcement cages of Division Diaphram wall wall steel reinforcement cage installation process easy, being rapidly completed in the confined space, work progress are safe and reliable.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: subway station underground in a kind of confined space Continuous wall construction method, which is characterized in that method includes the following steps:
Step 1: trenching construction: being constructed using slot of the groover to constructed diaphram wall;
Constructed diaphram wall is arranged vertically and its cross section is linear type, setting in constructed diaphram wall Steel reinforcement cage be cube shaped wall steel bar cage;The slot be divided into intermediate channel section along its length and two be connected to it is described The side slots section of intermediate channel section two sides;The intermediate channel section is to have obstacle slot section below barrier;
The slot is that unilateral side has obstacle slot or bilateral to have obstacle slot;The unilateral side has in obstacle slot described in one Side slots section be below barrier described in have obstacle slot section, another described side slots section be accessible slot section;It is described It is accessible slot section that bilateral, which has two side slots sections in obstacle slot,;
The vertical height H of wall steel bar cage described in vertical spacing h < at the top of the slot between barrier bottom;
Step 2: reinforcing bar cage hoisting decentralization channel determines: to institute in the length L and the slot of slot described in step 1 The length for stating accessible slot section measures respectively, and is determined according to measurement result to reinforcing bar cage hoisting decentralization channel;Institute Stating the slot section in slot in addition to the reinforcing bar cage hoisting transfers channel is translation mounting groove section;
When slot is that unilateral side has obstacle slot, channel is transferred using the accessible slot section as the reinforcing bar cage hoisting, The reinforcing bar cage hoisting decentralization number of channels is one at this time;
When slot is that bilateral has obstacle slot, when two accessible slot Duan Jun are not less than L1 or two no barrier When hindering the length of slot section identical, channel is transferred using two accessible slot Duan Jun as the reinforcing bar cage hoisting, it is described at this time It is two that reinforcing bar cage hoisting, which transfers number of channels,;Otherwise, the length of two accessible slot sections is compared, by two institutes It states the accessible slot section that length is big in accessible slot section and transfers channel as the reinforcing bar cage hoisting, at this time the steel Muscle cage lifting decentralization number of channels is one;Wherein, L1=0.2L~0.3L;
When reinforcing bar cage hoisting decentralization number of channels is one, the length in reinforcing bar cage hoisting decentralization channel is denoted as L0;When reinforcing bar cage hoisting decentralization number of channels is the length difference that two and two reinforcing bar cage hoistings transfer channel When, the length in two reinforcing bar cage hoisting decentralization channels is denoted as L respectively1And L2, wherein L1> L2;When the reinforcing bar cage hoisting When decentralization number of channels is that the length in two and two reinforcing bar cage hoistings decentralization channels is identical, the reinforcing bar cage hoisting decentralization The length in channel is denoted as L3
Step 3: steel reinforcement cage is by Division and binding: according to cloth of the wall steel bar cage being pre-designed in slot If position, and identified reinforcing bar cage hoisting in step 2 is combined to transfer channel, the wall steel bar cage is divided into described in being located at Reinforcing bar cage hoisting transfers the decentralization installation steel reinforcement cage in channel and steel reinforcement cage is installed in the translation in the translation mounting groove section; The quantity of the translation installation steel reinforcement cage is one, and the quantity of the decentralization installation steel reinforcement cage and reinforcing bar cage hoisting decentralization are logical The quantity in road is identical;
Meanwhile to the vertical of vertical spacing h and the wall steel bar cage between at the top of the slot and barrier bottom Height H is compared, and is determined according to structure of the comparing result to the translation installation steel reinforcement cage: described as h < h0 Translation installation steel reinforcement cage is the longitudinal spliced formula steel reinforcement cage being spliced by multiple steel reinforcement cage segments laid from front to back, multiple The height of the vertical reinforcement cage is H, wherein h0=0.3H~0.4H;Otherwise, the translation installation steel reinforcement cage is by multiple The height of the vertical spliced steel reinforcement cage that the steel reinforcement cage segment laid from bottom to up is spliced, each steel reinforcement cage segment is equal No more than h and its length is identical as the translation installation length of steel reinforcement cage;
When the quantity in reinforcing bar cage hoisting decentralization channel is one, each vertical steel in the longitudinal spliced formula steel reinforcement cage The length of muscle cage is no more than L0;When the quantity in reinforcing bar cage hoisting decentralization channel is two and two reinforcing bar cage hoistings When transferring the length difference in channel, the length of each vertical reinforcement cage is no more than L in the longitudinal spliced formula steel reinforcement cage2;Work as institute State reinforcing bar cage hoisting decentralization channel quantity be two and two reinforcing bar cage hoistings transfer channels length it is identical when, it is described The length of each vertical reinforcement cage is no more than L in longitudinal spliced formula steel reinforcement cage3
The decentralization installation steel reinforcement cage, the vertical reinforcement cage and the steel reinforcement cage segment are cube shaped and three Width is of same size with the wall steel bar cage;
When being bound to the wall steel bar cage, the translation is formed to decentralization installation steel reinforcement cage and splicing and is installed All vertical reinforcement cages of steel reinforcement cage or all steel reinforcement cage segments are bound respectively;
Step 4: translation installation steel reinforcement cage installation: being installed to translation installation steel reinforcement cage;
When translation installation steel reinforcement cage is longitudinal spliced formula steel reinforcement cage, the longitudinal spliced formula reinforcing bar is formed to splicing Multiple vertical reinforcement cages of cage are installed one by one;The installation method of multiple vertical reinforcement cages is all the same, passes through It is installed in reinforcing bar cage hoisting decentralization channel;When reinforcing bar cage hoisting decentralization number of channels is one, pass through the steel Muscle cage lifting decentralization channel is installed by multiple vertical reinforcement cages one by one;When the reinforcing bar cage hoisting transfers number of channels When being two, Channel Synchronous is transferred by two reinforcing bar cage hoistings, multiple vertical reinforcement cages are installed respectively;
When being installed by reinforcing bar cage hoisting decentralization channel any one described vertical reinforcement cage, process is as follows:
Step A1, lifting and decentralization: the vertical reinforcement cage is from top to bottom lifted using hanging device and is transferred to institute It states in reinforcing bar cage hoisting decentralization channel, and the vertical reinforcement cage is limited by Compact Mounts, make described vertical The top segment of steel reinforcement cage is located on the outside of slot;
The Compact Mounts are laid on the aperture of slot and can be moved forward and backward along the aperture of slot, the water Flat limiting device is installed in the top segment of the vertical reinforcement cage;
Step A2, it translates: being translated vertical reinforcement cage described in step A1 using the folding arm loop wheel machine being located at below barrier In place;
Step A3, it transfers in place: Compact Mounts described in removal step A1, and the vertical reinforcement cage is transferred to Position;
It will be multiple after being respectively mounted multiple vertical reinforcement cages in place according to method described in step A1 to step A3 The vertical reinforcement cage, which is fastenedly connected, to be integrated, and the assembled longitudinal spliced formula steel reinforcement cage is obtained;Again by each vertical reinforcement The Compact Mounts installed on cage are removed, then are transferred to the longitudinal spliced formula steel reinforcement cage using folding arm loop wheel machine The installation process of the translation installation steel reinforcement cage is completed in position;
When translation installation steel reinforcement cage is vertical spliced steel reinforcement cage, from the bottom to top to the vertical spliced reinforcing bar Multiple steel reinforcement cage segments of cage are installed respectively, and process is as follows:
Step B1, bottom segment lifting and decentralization: the steel reinforcement cage segment for being located at bottommost is hung using folding arm loop wheel machine Fill and transfer to the translation mounting groove section, at the same by Compact Mounts described in step A1 to the steel reinforcement cage segment into Row limit, is located at the top segment of the steel reinforcement cage segment on the outside of slot;At this point, the Compact Mounts are installed on the reinforcing bar In the top segment of cage segment;
Step B2, a upper steel reinforcement cage segment lifting, connecting and decentralization: using folding arm loop wheel machine by upper one institute to be installed It states steel reinforcement cage segment from top to bottom to lift to the currently mounted steel reinforcement cage segment, and described in currently being lifted Steel reinforcement cage segment is fastenedly connected with the steel reinforcement cage segment being disposed below, then to described in being connect on steel reinforcement cage segment under being located at Compact Mounts are removed;Later, by the steel reinforcement cage segment currently lifted and it is located under it using folding arm loop wheel machine All steel reinforcement cage segments of side, which synchronize, is transferred, while by the Compact Mounts to current lifted steel reinforcement cage segment It is limited, is located at the top segment of the steel reinforcement cage segment on the outside of slot;At this point, the Compact Mounts are installed on the steel In the top segment of muscle cage segment;
Steel reinforcement cage segment is connect under described to be lifted below the steel reinforcement cage segment positioned at current and being lifted institute with current State the adjacent steel reinforcement cage segment in steel reinforcement cage segment;
Step B3, one or many to repeat step B2, until completing to be located at top in the vertical spliced steel reinforcement cage The steel reinforcement cage segment lifting, connecting and decentralization process, obtain the assembled vertical spliced steel reinforcement cage;
Step B4, decentralization in place: to the Compact Mounts on vertical spliced steel reinforcement cage described in step B3 into Row is removed, and in place by the vertical spliced steel reinforcement cage decentralization, completes the installation process of the translation installation steel reinforcement cage;
Step 5: decentralization installation steel reinforcement cage installation: using hanging device described in step A1, reinforcing bar is installed in the decentralization Cage is lifted and is transferred to locating reinforcing bar cage hoisting decentralization channel;To the decentralization installation in the wall steel bar cage After steel reinforcement cage is transferred in place, steel reinforcement cage is installed into the translation being installed in the decentralization installation steel reinforcement cage and step 4 It is fastenedly connected and is integrated, obtain the wall steel bar cage being installed;
Step 6: underwater concrete construction: carrying out underwater concrete construction to constructed diaphram wall, obtain Obtain the diaphram wall of construction molding.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: each institute in step 3 The height of steel reinforcement cage segment is stated no more than h1;Wherein, h1=0.4h~0.7h.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: being hung described in step A1 Standby installing is crawler crane.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: water described in step A1 Flat limiting device includes the more cross spacing beams being laid in same level, the cross spacing beam and the perpendicular cloth of slot If;
The length of the cross spacing beam is greater than the width of slot, and the every cross spacing beam is inserted into the top In segment, the every cross spacing beam is respectively positioned on above slot and its both ends is respectively supported on the soil body of slot two sides.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: the Horizontal limiting fills The quantity for setting middle cross spacing beam is two.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: step A1, step B1 and The height of top segment described in step B2 is 20cm~50cm.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: step A1 and step B2 Described in folding arm loop wheel machine be respectively positioned on the soil body of slot side.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: wall described in step 1 The length of body steel reinforcement cage is not less than 20m, and the height of the wall steel bar cage is greater than 5m.
Subway station construction method of underground continuous wall in a kind of above-mentioned confined space, it is characterized in that: slot described in step 1 Vertical spacing h at the top of hole between barrier bottom is greater than the height of folding arm loop wheel machine.
Compared with the prior art, the present invention has the following advantages:
1, construction method step design is reasonable, easy to operate and realizes conveniently.
2, slot divide rationally, according to whether be located at barrier below, by the slot section of slot be divided into obstacle slot section and Accessible slot section two types, and accordingly determine convenient for reinforcing bar cage hoisting and decentralization and the safe and reliable steel reinforcement cage of work progress is hung It loads and puts channel.
3, according to locating slot section, wall steel bar cage is carried out by Division;And combine slot top and barrier bottom Between vertical spacing h and wall steel bar cage vertical height H between comparing result, to translation installation steel reinforcement cage structure into Row presses Division, realizes fining construction, steel reinforcement cage is reasonable by Division, and carries out respectively to by each steel reinforcement cage after Division Binding molding.
4, easy construction and work progress is safe and reliable, using effect is good, for by being located at slot difference position after Division The steel reinforcement cage for setting place, takes corresponding different installation methods, strong operability of constructing, and mechanical equipment can need to select according to scene It selects, combine, convenient for organizing and implementing;On existing construction of structures or pipeline almost without influence, safety is controlled;Avoid construction of structures And the dismounting of the construction of structures of the influences such as overhead line construction, construction cost is greatly saved;It is applicable in the ground under most limited heights Lower construction of diaphragm wall, there is biggish promotional value.Steel reinforcement cage is installed for installation difficulty big translation, presses zoning using different Point method, and cooperate corresponding shifting method (being directed to the installation method of longitudinal spliced formula steel reinforcement cage) with segmented lift-on/lift-off system (i.e. For the installation method of vertical spliced steel reinforcement cage) the mode obstacle avoidance that combines, it is real in the case where the not removal of the obstacles Diaphragm wall reinforcement cage hoisting, installation under the existing confined space.And it transfers installation steel reinforcement cage and passes through reinforcing bar cage hoisting with vertical reinforcement cage Decentralization channel is integrally lifted and is transferred, and work progress is easy, and construction safety is reliable.
In conclusion the present invention, which predefines reinforcing bar cage hoisting, transfers channel, and by carrying out to wall steel bar basket structure It is bound by Division and respectively, while using corresponding installation method to by the different steel reinforcement cages of Division, it can be easy, fast Speed completes the diaphram wall wall steel reinforcement cage installation process in the confined space, and work progress is safe and reliable.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is method flow block diagram of the invention.
Fig. 2 is the lifting status diagram of present invention decentralization installation steel reinforcement cage and vertical reinforcement cage.
Fig. 3 is the Construction State schematic diagram after vertical reinforcement cage of the present invention translates in place.
Fig. 4 is the Construction State schematic diagram after vertical reinforcement cage of the present invention is transferred in place.
Fig. 5 is the wiring state schematic diagram of the upper section steel reinforcement cage segment of the present invention.
Fig. 6 is the structural schematic diagram after wall steel bar cage of the present invention is installed.
Description of symbols:
1-slot;2-barriers;3-folding arm loop wheel machines;
4-cross spacing beams;5-crawler crane hanging apparatus;6-folding arm crane hanging apparatus;
7-monolithic reinforced cages;8-sectional type steel reinforcement cages.
Specific embodiment
Subway station construction method of underground continuous wall in a kind of confined space as shown in Figure 1, comprising the following steps:
Step 1: trenching construction: being constructed using slot 1 of the groover to constructed diaphram wall;
Constructed diaphram wall is arranged vertically and its cross section is linear type, setting in constructed diaphram wall Steel reinforcement cage be cube shaped wall steel bar cage;The slot 1 is divided into intermediate channel section along its length and two are connected to institute State the side slots section of intermediate channel section two sides;The intermediate channel section is to have obstacle slot section positioned at 2 lower section of barrier;
The slot 1 is that unilateral side has obstacle slot or bilateral to have obstacle slot;There is an institute in obstacle slot in the unilateral side Side slots section is stated as positioned at having obstacle slot section described in 2 lower section of barrier, another described side slots section is accessible slot section;Institute Stating bilateral to have two side slots sections in obstacle slot is accessible slot section;
The vertical height H of wall steel bar cage described in vertical spacing h < between 1 top of slot and 2 bottom of barrier;
Step 2: reinforcing bar cage hoisting decentralization channel determines: in the length L and the slot 1 of slot 1 described in step 1 The length of the accessible slot section measures respectively, and is determined according to measurement result to reinforcing bar cage hoisting decentralization channel; Slot section in the slot 1 in addition to the reinforcing bar cage hoisting transfers channel is translation mounting groove section;
When slot 1 is that unilateral side has obstacle slot, channel is transferred using the accessible slot section as the reinforcing bar cage hoisting, The reinforcing bar cage hoisting decentralization number of channels is one at this time;
When slot 1 is that bilateral has obstacle slot, when two accessible slot Duan Jun are not less than L1 or two nothing When the length of obstacle slot section is identical, channel is transferred using two accessible slot Duan Jun as the reinforcing bar cage hoisting, at this time institute Stating reinforcing bar cage hoisting decentralization number of channels is two;Otherwise, the length of two accessible slot sections is compared, by two A big accessible slot section of length transfers channel as the reinforcing bar cage hoisting in the accessible slot section, described at this time It is one that reinforcing bar cage hoisting, which transfers number of channels,;Wherein, L1=0.2L~0.3L;
When reinforcing bar cage hoisting decentralization number of channels is one, the length in reinforcing bar cage hoisting decentralization channel is denoted as L0;When reinforcing bar cage hoisting decentralization number of channels is the length difference that two and two reinforcing bar cage hoistings transfer channel When, the length in two reinforcing bar cage hoisting decentralization channels is denoted as L respectively1And L2, wherein L1> L2;When the reinforcing bar cage hoisting When decentralization number of channels is that the length in two and two reinforcing bar cage hoistings decentralization channels is identical, the reinforcing bar cage hoisting decentralization The length in channel is denoted as L3
Step 3: steel reinforcement cage is by Division and binding: according to cloth of the wall steel bar cage being pre-designed in slot 1 If position, and identified reinforcing bar cage hoisting in step 2 is combined to transfer channel, the wall steel bar cage is divided into described in being located at Reinforcing bar cage hoisting transfers the decentralization installation steel reinforcement cage in channel and steel reinforcement cage is installed in the translation in the translation mounting groove section; The quantity of the translation installation steel reinforcement cage is one, and the quantity of the decentralization installation steel reinforcement cage and reinforcing bar cage hoisting decentralization are logical The quantity in road is identical;
Meanwhile between 1 top of the slot and 2 bottom of barrier vertical spacing h and the wall steel bar cage it is perpendicular It compares to height H, and is determined according to structure of the comparing result to the translation installation steel reinforcement cage: as h < h0, institute Stating translation installation steel reinforcement cage is the longitudinal spliced formula steel reinforcement cage being spliced by multiple steel reinforcement cage segments laid from front to back, more The height of a vertical reinforcement cage is H, wherein h0=0.3H~0.4H;Otherwise, the translation installation steel reinforcement cage is by more The vertical spliced steel reinforcement cage that a steel reinforcement cage segment laid from bottom to up is spliced, the height of each steel reinforcement cage segment No more than h and its length is identical as the translation installation length of steel reinforcement cage;
When the quantity in reinforcing bar cage hoisting decentralization channel is one, each vertical steel in the longitudinal spliced formula steel reinforcement cage The length of muscle cage is no more than L0;When the quantity in reinforcing bar cage hoisting decentralization channel is two and two reinforcing bar cage hoistings When transferring the length difference in channel, the length of each vertical reinforcement cage is no more than L in the longitudinal spliced formula steel reinforcement cage2;Work as institute State reinforcing bar cage hoisting decentralization channel quantity be two and two reinforcing bar cage hoistings transfer channels length it is identical when, it is described The length of each vertical reinforcement cage is no more than L in longitudinal spliced formula steel reinforcement cage3
The decentralization installation steel reinforcement cage, the vertical reinforcement cage and the steel reinforcement cage segment are cube shaped and three Width is of same size with the wall steel bar cage;
When being bound to the wall steel bar cage, the translation is formed to decentralization installation steel reinforcement cage and splicing and is installed All vertical reinforcement cages of steel reinforcement cage or all steel reinforcement cage segments are bound respectively;
Step 4: translation installation steel reinforcement cage installation: being installed to translation installation steel reinforcement cage;
When translation installation steel reinforcement cage is longitudinal spliced formula steel reinforcement cage, the longitudinal spliced formula reinforcing bar is formed to splicing Multiple vertical reinforcement cages of cage are installed one by one;The installation method of multiple vertical reinforcement cages is all the same, passes through It is installed in reinforcing bar cage hoisting decentralization channel;When reinforcing bar cage hoisting decentralization number of channels is one, pass through the steel Muscle cage lifting decentralization channel is installed by multiple vertical reinforcement cages one by one;When the reinforcing bar cage hoisting transfers number of channels When being two, Channel Synchronous is transferred by two reinforcing bar cage hoistings, multiple vertical reinforcement cages are installed respectively;
As shown in Figure 2, Figure 3 and Figure 4 shown in, by the reinforcing bar cage hoisting transfer channel any one described vertical reinforcement cage into When row installation, process is as follows:
Step A1, lifting and decentralization: the vertical reinforcement cage is from top to bottom lifted using hanging device and is transferred to institute It states in reinforcing bar cage hoisting decentralization channel, and the vertical reinforcement cage is limited by Compact Mounts, make described vertical The top segment of steel reinforcement cage is located at 1 outside of slot;
The Compact Mounts are laid on the aperture of slot 1 and can be moved forward and backward along the aperture of slot 1, described Compact Mounts are installed in the top segment of the vertical reinforcement cage;
Step A2, it translates: being put down vertical reinforcement cage described in step A1 using the folding arm loop wheel machine 3 for being located at 2 lower section of barrier Move on to position;
Step A3, it transfers in place: Compact Mounts described in removal step A1, and the vertical reinforcement cage is transferred to Position;
It will be multiple after being respectively mounted multiple vertical reinforcement cages in place according to method described in step A1 to step A3 The vertical reinforcement cage, which is fastenedly connected, to be integrated, and the assembled longitudinal spliced formula steel reinforcement cage is obtained;Again by each vertical reinforcement The Compact Mounts installed on cage are removed, then are transferred the longitudinal spliced formula steel reinforcement cage using folding arm loop wheel machine 3 In place, the installation process of the translation installation steel reinforcement cage is completed;
When translation installation steel reinforcement cage is vertical spliced steel reinforcement cage, from the bottom to top to the vertical spliced reinforcing bar Multiple steel reinforcement cage segments of cage are installed respectively, and process is as follows:
Step B1, bottom segment lifting and decentralization: the steel reinforcement cage segment for being located at bottommost is hung using folding arm loop wheel machine 3 Fill and transfer to the translation mounting groove section, at the same by Compact Mounts described in step A1 to the steel reinforcement cage segment into Row limit makes the top segment of the steel reinforcement cage segment be located at 1 outside of slot, is detailed in Fig. 5;At this point, the Compact Mounts peace In top segment loaded on the steel reinforcement cage segment;
Step B2, a upper steel reinforcement cage segment lifting, connecting and decentralization: to be installed by upper one using folding arm loop wheel machine 3 The steel reinforcement cage segment is from top to bottom lifted to the currently mounted steel reinforcement cage segment, and the institute that will be currently lifted It states steel reinforcement cage segment to be fastenedly connected with the steel reinforcement cage segment being disposed below, then to the institute connect under being located on steel reinforcement cage segment It states Compact Mounts to be removed, is detailed in Fig. 5;Later, the steel reinforcement cage segment that will currently be lifted using folding arm loop wheel machine 3 With all steel reinforcement cage segments for being disposed below synchronize transferred, while being lifted by the Compact Mounts to current Steel reinforcement cage segment is limited, and the top segment of the steel reinforcement cage segment is made to be located at 1 outside of slot;At this point, the Horizontal limiting dress It sets and is installed in the top segment of the steel reinforcement cage segment;
Steel reinforcement cage segment is connect under described to be lifted below the steel reinforcement cage segment positioned at current and being lifted institute with current State the adjacent steel reinforcement cage segment in steel reinforcement cage segment;
Step B3, one or many to repeat step B2, until completing to be located at top in the vertical spliced steel reinforcement cage The steel reinforcement cage segment lifting, connecting and decentralization process, obtain the assembled vertical spliced steel reinforcement cage;
Step B4, decentralization in place: to the Compact Mounts on vertical spliced steel reinforcement cage described in step B3 into Row is removed, and in place by the vertical spliced steel reinforcement cage decentralization, completes the installation process of the translation installation steel reinforcement cage;
Step 5: decentralization installation steel reinforcement cage installation: using hanging device described in step A1, reinforcing bar is installed in the decentralization Cage is lifted and is transferred to locating reinforcing bar cage hoisting decentralization channel, is detailed in Fig. 2;Described in the wall steel bar cage After decentralization installation steel reinforcement cage is transferred in place, the translation being installed in the decentralization installation steel reinforcement cage and step 4 is pacified Dress steel reinforcement cage, which is fastenedly connected, to be integrated, and the wall steel bar cage being installed is obtained;
Step 6: underwater concrete construction: carrying out underwater concrete construction to constructed diaphram wall, obtain Obtain the diaphram wall of construction molding.
In the present embodiment, the slot 1 is that unilateral side has obstacle slot.
Wherein, the decentralization installation steel reinforcement cage and vertical reinforcement cage are once to bind molding monolithic reinforced cage 7, institute Stating steel reinforcement cage segment is sectional type steel reinforcement cage 8.
In the present embodiment, between the two neighboring vertical reinforcement cage and steel reinforcement cage and the translation are installed in the decentralization Groove joint is all made of between installation steel reinforcement cage to be attached, and is connected between neighbouring two steel reinforcement cage segments using mechanical It connects or welding manner is attached.
In the present embodiment, the height of each steel reinforcement cage segment is no more than h1 in step 3;Wherein, h1=0.4h~ 0.7h。
Wherein, h0 described in L1 described in step 2 and step 3 and h1 is the judgment threshold being pre-designed, Middle L1 is any one numerical value within the scope of 0.2L~0.3L, and h0 is any one numerical value within the scope of 0.3H~0.4H, h1 0.4h Any one numerical value within the scope of~0.7h.
It when practice of construction, can specifically need, the value size of L1, h0 and h1 are adjusted accordingly.
Region locating for the barrier 2 is prohibited security zone.Thus, the wall steel bar cage is lifted and transferred and is applied During work, the prohibited security zone should all be avoided.Thus, it is just to have above slot 1 and there are the construction area of barrier 2 Limit space.
In the present embodiment, hanging device described in step A1 is crawler crane.
When practice of construction, decentralization installation steel reinforcement cage to be lifted or the vertical reinforcement cage are hung in the crawler belt 5 lower section of crawler crane hanging apparatus hung.The crawler crane hanging apparatus 5 includes suspension hook and the lifting being lifted below the suspension hook Shoulder pole girder.
Correspondingly, the steel reinforcement cage segment hanging is below the folding arm crane hanging apparatus 6 of the folding arm loop wheel machine 3.The folding Arm hangs the lifting shoulder pole girder that hanging apparatus 6 also includes suspension hook and is lifted below the suspension hook.The folding arm loop wheel machine 3 is also referred to as rolled over Boom crane.
In the present embodiment, Compact Mounts described in step A1 include the more lateral limits being laid in same level Position beam 4, the cross spacing beam 4 and the perpendicular laying of slot 1;
The length of the cross spacing beam 4 is greater than the width of slot 1, and the every cross spacing beam 4 is inserted into described In top segment, the every cross spacing beam 4 is respectively positioned on above slot 1 and its both ends is respectively supported at the soil of 1 two sides of slot On body.
In actual use, the Compact Mounts are formed using more cross spacing beams 4, economical and practical, simple installation, And good limit effect.
In the present embodiment, the quantity of cross spacing beam 4 is two in the Compact Mounts, right according to specific needs The quantity of cross spacing beam 4 adjusts accordingly in the Compact Mounts.
In the present embodiment, step A1, the height of top segment described in step B1 and step B2 is 20cm~50cm.
When practice of construction, folding arm loop wheel machine 3 described in step A1 and step B2 is respectively positioned on the soil body of 1 side of slot.
Also, the vertical spacing h at the top of slot 1 described in step 1 between 2 bottom of barrier is greater than folding arm loop wheel machine 3 Highly.
In the present embodiment, the length of wall steel bar cage described in step 1 is not less than 20m, the height of the wall steel bar cage Greater than 5m.
In the present embodiment, translation installation steel reinforcement cage is the longitudinal spliced formula steel reinforcement cage and it is described vertical by two Steel reinforcement cage is formed by connecting.The wall steel bar cage being installed is detailed in Fig. 6.
In Fig. 6, the right side groove section of the slot 1 is accessible slot section, the left side groove Duan Weiyou obstacle slot of the slot 1 Section, the right side groove Duan Weiwei reinforcing bar cage hoisting decentralization channel of the slot 1 and the steel reinforcement cage filled in it are decentralization installation reinforcing bar Cage.The steel reinforcement cage filled in the left side groove section of the slot 1 is that steel reinforcement cage is installed in the translation.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention In the protection scope of art scheme.

Claims (9)

1. subway station construction method of underground continuous wall in a kind of confined space, which is characterized in that method includes the following steps:
Step 1: trenching construction: being constructed using slot (1) of the groover to constructed diaphram wall;
Constructed diaphram wall is arranged vertically and its cross section is linear type, the steel being arranged in constructed diaphram wall Muscle cage is cube shaped wall steel bar cage;The slot (1) be divided into intermediate channel section along its length and two be connected to it is described The side slots section of intermediate channel section two sides;The intermediate channel section is to have obstacle slot section below barrier (2);
The slot (1) is that unilateral side has obstacle slot or bilateral to have obstacle slot;The unilateral side has in obstacle slot described in one Side slots section is that described below barrier (2) has obstacle slot section, another described side slots section is accessible slot section;Institute Stating bilateral to have two side slots sections in obstacle slot is accessible slot section;
The vertical height H of wall steel bar cage described in vertical spacing h < at the top of the slot (1) between barrier (2) bottom;
Step 2: reinforcing bar cage hoisting decentralization channel determines: in the length L and the slot (1) to slot described in step 1 (1) The length of the accessible slot section measures respectively, and is determined according to measurement result to reinforcing bar cage hoisting decentralization channel; Slot section in the slot (1) in addition to the reinforcing bar cage hoisting transfers channel is translation mounting groove section;
When slot (1) is that unilateral side has obstacle slot, channel is transferred using the accessible slot section as the reinforcing bar cage hoisting, this It is one that Shi Suoshu reinforcing bar cage hoisting, which transfers number of channels,;
When slot (1) is that bilateral has obstacle slot, when two accessible slot Duan Jun are not less than L1 or two no barrier When hindering the length of slot section identical, channel is transferred using two accessible slot Duan Jun as the reinforcing bar cage hoisting, it is described at this time It is two that reinforcing bar cage hoisting, which transfers number of channels,;Otherwise, the length of two accessible slot sections is compared, by two institutes It states the accessible slot section that length is big in accessible slot section and transfers channel as the reinforcing bar cage hoisting, at this time the steel Muscle cage lifting decentralization number of channels is one;Wherein, L1=0.2L~0.3L;
When reinforcing bar cage hoisting decentralization number of channels is one, the length in reinforcing bar cage hoisting decentralization channel is denoted as L0;When When the reinforcing bar cage hoisting decentralization number of channels is that two and two reinforcing bar cage hoistings transfer the length difference in channel, two The length in reinforcing bar cage hoisting decentralization channel is denoted as L respectively1And L2, wherein L1> L2;When the reinforcing bar cage hoisting transfers channel When quantity is that the length in two and two reinforcing bar cage hoistings decentralization channels is identical, the length in reinforcing bar cage hoisting decentralization channel Degree is denoted as L3
Step 3: steel reinforcement cage is by Division and binding: according to laying of the wall steel bar cage being pre-designed in slot (1) Position, and identified reinforcing bar cage hoisting in step 2 is combined to transfer channel, the wall steel bar cage is divided into positioned at the steel Steel reinforcement cage is installed in decentralization installation steel reinforcement cage in muscle cage lifting decentralization channel and the translation in the translation mounting groove section;Institute The quantity for stating translation installation steel reinforcement cage is one, and the quantity of the decentralization installation steel reinforcement cage and the reinforcing bar cage hoisting transfer channel Quantity it is identical;
Meanwhile at the top of the slot (1) between barrier (2) bottom vertical spacing h and the wall steel bar cage erect It compares to height H, and is determined according to structure of the comparing result to the translation installation steel reinforcement cage: as h < h0, institute Stating translation installation steel reinforcement cage is the longitudinal spliced formula steel reinforcement cage being spliced by multiple steel reinforcement cage segments laid from front to back, more The height of a vertical reinforcement cage is H, wherein h0=0.3H~0.4H;Otherwise, the translation installation steel reinforcement cage is by more The vertical spliced steel reinforcement cage that a steel reinforcement cage segment laid from bottom to up is spliced, the height of each steel reinforcement cage segment No more than h and its length is identical as the translation installation length of steel reinforcement cage;
When the quantity in reinforcing bar cage hoisting decentralization channel is one, each vertical reinforcement cage in the longitudinal spliced formula steel reinforcement cage Length no more than L0;When the quantity in reinforcing bar cage hoisting decentralization channel is the two and two reinforcing bar cage hoisting decentralizations When the length difference in channel, the length of each vertical reinforcement cage is no more than L in the longitudinal spliced formula steel reinforcement cage2;When the steel When the quantity in muscle cage lifting decentralization channel is that the length in two and two reinforcing bar cage hoistings decentralization channels is identical, the longitudinal direction The length of each vertical reinforcement cage is no more than L in spliced steel reinforcement cage3
The decentralization installation steel reinforcement cage, the vertical reinforcement cage and the steel reinforcement cage segment are cube shaped and three width It is of same size with the wall steel bar cage;
When being bound to the wall steel bar cage, the translation is formed to decentralization installation steel reinforcement cage and splicing, reinforcing bar is installed All vertical reinforcement cages of cage or all steel reinforcement cage segments are bound respectively;
Step 4: translation installation steel reinforcement cage installation: being installed to translation installation steel reinforcement cage;
When translation installation steel reinforcement cage is longitudinal spliced formula steel reinforcement cage, the longitudinal spliced formula steel reinforcement cage is formed to splicing Multiple vertical reinforcement cages are installed one by one;The installation method of multiple vertical reinforcement cages is all the same, by described It is installed in reinforcing bar cage hoisting decentralization channel;When reinforcing bar cage hoisting decentralization number of channels is one, pass through the steel reinforcement cage Lifting decentralization channel is installed by multiple vertical reinforcement cages one by one;When reinforcing bar cage hoisting decentralization number of channels is two When a, Channel Synchronous is transferred by two reinforcing bar cage hoistings, multiple vertical reinforcement cages are installed respectively;
When being installed by reinforcing bar cage hoisting decentralization channel any one described vertical reinforcement cage, process is as follows:
Step A1, lifting and decentralization: the vertical reinforcement cage is from top to bottom lifted using hanging device and is transferred to the steel In muscle cage lifting decentralization channel, and the vertical reinforcement cage is limited by Compact Mounts, makes the vertical reinforcement The top segment of cage is located on the outside of slot (1);
The Compact Mounts are laid on the aperture of slot (1) and can be moved forward and backward along the aperture of slot (1), described Compact Mounts are installed in the top segment of the vertical reinforcement cage;
Step A2, it translates: being put down vertical reinforcement cage described in step A1 using the folding arm loop wheel machine (3) being located at below barrier (2) Move on to position;
Step A3, it transfers in place: Compact Mounts described in removal step A1, and in place by vertical reinforcement cage decentralization;
It, will be multiple described after multiple vertical reinforcement cages are respectively mounted in place according to method described in step A1 to step A3 Vertical reinforcement cage, which is fastenedly connected, to be integrated, and the assembled longitudinal spliced formula steel reinforcement cage is obtained;It again will be on each vertical reinforcement cage The Compact Mounts installed are removed, then are transferred to the longitudinal spliced formula steel reinforcement cage using folding arm loop wheel machine (3) The installation process of the translation installation steel reinforcement cage is completed in position;
When translation installation steel reinforcement cage is vertical spliced steel reinforcement cage, from the bottom to top to the vertical spliced steel reinforcement cage Multiple steel reinforcement cage segments are installed respectively, and process is as follows:
Step B1, the steel reinforcement cage segment lifting of bottommost bottom segment lifting and decentralization: will be located at using folding arm loop wheel machine (3) And it transfers to the translation mounting groove section, while the steel reinforcement cage segment is carried out by Compact Mounts described in step A1 Limit is located at the top segment of the steel reinforcement cage segment on the outside of slot (1);At this point, the Compact Mounts are installed on the steel In the top segment of muscle cage segment;
Step B2, a upper steel reinforcement cage segment lifting, connecting and decentralization: use folding arm loop wheel machine (3) by upper one institute to be installed It states steel reinforcement cage segment from top to bottom to lift to the currently mounted steel reinforcement cage segment, and described in currently being lifted Steel reinforcement cage segment is fastenedly connected with the steel reinforcement cage segment being disposed below, then to described in being connect on steel reinforcement cage segment under being located at Compact Mounts are removed;Later, it by the steel reinforcement cage segment currently lifted and is located at using folding arm loop wheel machine (3) All steel reinforcement cage segments of lower section, which synchronize, is transferred, while by the Compact Mounts to current lifted steel reinforcement cage section Duan Jinhang limit, is located at the top segment of the steel reinforcement cage segment on the outside of slot (1);At this point, the Compact Mounts installation In in the top segment of the steel reinforcement cage segment;
Steel reinforcement cage segment is connect under described to be lifted below the steel reinforcement cage segment positioned at current and being lifted the steel with current The adjacent steel reinforcement cage segment in muscle cage segment;
Step B3, one or many to repeat step B2, until completing the institute for being located at top in the vertical spliced steel reinforcement cage The lifting, connecting and decentralization process of steel reinforcement cage segment are stated, the assembled vertical spliced steel reinforcement cage is obtained;
Step B4, it transfers in place: the Compact Mounts on vertical spliced steel reinforcement cage described in step B3 is torn open It removes, and in place by the vertical spliced steel reinforcement cage decentralization, completes the installation process of the translation installation steel reinforcement cage;
Step 5: decentralization installation steel reinforcement cage installation: using hanging device described in step A1, decentralization installation steel reinforcement cage being hung It fills and transfers to locating reinforcing bar cage hoisting decentralization channel;Reinforcing bar is installed to the decentralization in the wall steel bar cage After cage is transferred in place, the decentralization is installed to the translation installation steel reinforcement cage fastening being installed in steel reinforcement cage and step 4 It is connected as one, obtains the wall steel bar cage being installed;
Step 6: underwater concrete construction: carrying out underwater concrete construction to constructed diaphram wall, applied The molding diaphram wall of work.
2. subway station construction method of underground continuous wall in a kind of confined space described in accordance with the claim 1, it is characterised in that: The height of each steel reinforcement cage segment is no more than h1 in step 3;Wherein, h1=0.4h~0.7h.
3. subway station construction method of underground continuous wall in a kind of confined space according to claim 1 or 2, feature exist In: hanging device described in step A1 is crawler crane.
4. subway station construction method of underground continuous wall in a kind of confined space according to claim 1 or 2, feature exist In: Compact Mounts described in step A1 include the more cross spacing beams (4) being laid in same level, the transverse direction Limit beam (4) and slot (1) perpendicular laying;
The length of the cross spacing beam (4) is greater than the width of slot (1), and the every cross spacing beam (4) is inserted into institute It states in top segment, the every cross spacing beam (4) is respectively positioned on above slot (1) and its both ends is respectively supported at slot (1) On the soil body of two sides.
5. subway station construction method of underground continuous wall in a kind of confined space according to claim 4, it is characterised in that: The quantity of cross spacing beam (4) is two in the Compact Mounts.
6. subway station construction method of underground continuous wall in a kind of confined space according to claim 1 or 2, feature exist In: step A1, the height of top segment described in step B1 and step B2 is 20cm~50cm.
7. subway station construction method of underground continuous wall in a kind of confined space according to claim 1 or 2, feature exist In: folding arm loop wheel machine (3) described in step A1 and step B2 is respectively positioned on the soil body of slot (1) side.
8. subway station construction method of underground continuous wall in a kind of confined space according to claim 1 or 2, feature exist In: the length of wall steel bar cage described in step 1 is not less than 20m, and the height of the wall steel bar cage is greater than 5m.
9. subway station construction method of underground continuous wall in a kind of confined space according to claim 1 or 2, feature exist In: the vertical spacing h at the top of slot described in step 1 (1) between barrier (2) bottom is greater than the height of folding arm loop wheel machine (3) Degree.
CN201711460637.9A 2017-12-28 2017-12-28 Subway station construction method of underground continuous wall in a kind of confined space Active CN108166528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711460637.9A CN108166528B (en) 2017-12-28 2017-12-28 Subway station construction method of underground continuous wall in a kind of confined space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711460637.9A CN108166528B (en) 2017-12-28 2017-12-28 Subway station construction method of underground continuous wall in a kind of confined space

Publications (2)

Publication Number Publication Date
CN108166528A CN108166528A (en) 2018-06-15
CN108166528B true CN108166528B (en) 2019-09-20

Family

ID=62519258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711460637.9A Active CN108166528B (en) 2017-12-28 2017-12-28 Subway station construction method of underground continuous wall in a kind of confined space

Country Status (1)

Country Link
CN (1) CN108166528B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111088792A (en) * 2020-01-07 2020-05-01 中国葛洲坝集团市政工程有限公司 Double L-shaped reinforcement cage hoisting method in underground continuous wall construction
CN111764374A (en) * 2020-05-28 2020-10-13 浙江土工岩土科技有限公司 Construction method of underground continuous wall in low-clearance environment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11310918A (en) * 1998-04-30 1999-11-09 Shimizu Corp Joint structure of underground continuous wall
CN102691294B (en) * 2012-05-15 2013-08-21 安宜建设集团有限公司 Construction method of underground continuous wall
CN103469817B (en) * 2013-09-30 2015-05-13 中铁一局集团有限公司 Existing subway station main structure broadening construction method
CN105155579A (en) * 2015-08-11 2015-12-16 中铁建大桥工程局集团第五工程有限公司 Construction method for penetrating existing underground passage in open cutting of subway foundation pit
CN105672354B (en) * 2016-02-29 2018-05-11 济南轨道交通集团有限公司 Cast-in-place ground-connecting-wall and cast-in-place metro station construction integral method

Also Published As

Publication number Publication date
CN108166528A (en) 2018-06-15

Similar Documents

Publication Publication Date Title
CN108166528B (en) Subway station construction method of underground continuous wall in a kind of confined space
CN105041349B (en) A kind of excavating construction method that station is digged on the basis of Subway Tunnel shield tunnel
CN105587320B (en) Rich water sand-pebble layer abnormal shape deep shaft structural system and its construction method
CN105862930B (en) A kind of protection structure to creating existing tunnel below underground engineering
CN106149576A (en) On across the whole assembling and dismantling of the most wired bridge except and construction method of installation
CN105951848A (en) Non-intermittent composite transfer structure for super-deep foundation pit support and construction method
CN104404887B (en) A kind of long-span steel pipe arch bridge is without support hoisting
CN204311457U (en) A kind of Metro station excavation excavation construction composite retaining structure system
CN206036408U (en) Span pipeline normal position of foundation ditch and suspend protection architecture in midair
CN106592632A (en) Underground supporting structure for reverse construction method and construction method
CN110994523B (en) Method and system for protecting cable
CN210858740U (en) Big shield constructs construction reservation hole and does not have quick block structure of support
CN106193117A (en) A kind of assembling and construction method of the prefabricated pipe gallery in underground
CN111009871A (en) Method and system for changing cable by crossing subway
CN105275013B (en) Core tube inverse superimposed underground diaphragm wall and construction method thereof
CN102747747A (en) Construction method for installing underground lattice column
CN205421329U (en) Contrary coincide underground continuous wall that does of a core section of thick bamboo
CN105113539B (en) Combined multi-functional diaphram wall Core Walls Structure and its construction method in a kind of contrary sequence method
CN110042863A (en) Complete combined assembled subway station subterranean wall and prefabricated middle plate node and construction method
CN109826203A (en) The support system of fender post and water-stop curtain building-in depth Length discrepancy
CN110387889A (en) A kind of multi-arch type foundation pit supporting method for strip deep basal pit
CN107740423B (en) Construction method for prefabricated assembled urban underpass tunnel
CN103195089B (en) Method for improving existing underground passage clearance on basis of grouting reinforcement
CN208183786U (en) One kind having runed underground station increasing layer transfer node
CN214118198U (en) Whole platform truck system of three room folded plate box culvert construction of single case of lakebed

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190822

Address after: The northern section of Shaanxi city of Xi'an province 710054 Yanta Road No. 1

Applicant after: Zhongtie No.1 Bureau Group Co., Ltd.

Applicant after: China Railway Group Co., Ltd. Guangzhou branch

Address before: The northern section of Shaanxi city of Xi'an province 710054 Yanta Road No. 1

Applicant before: Zhongtie No.1 Bureau Group Co., Ltd.

Effective date of registration: 20190822

Address after: The northern section of Shaanxi city of Xi'an province 710054 Yanta Road No. 1

Applicant after: Zhongtie No.1 Bureau Group Co., Ltd.

Applicant after: China Railway Group Co., Ltd. Guangzhou branch

Address before: The northern section of Shaanxi city of Xi'an province 710054 Yanta Road No. 1

Applicant before: Zhongtie No.1 Bureau Group Co., Ltd.

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210617

Address after: 510000 room 310-j007, 1 Mingzhu 1st Street, Hengli Town, Nansha District, Guangzhou City, Guangdong Province (office only)

Patentee after: China Railway First Bureau Group (Guangzhou) Construction Engineering Co.,Ltd.

Patentee after: CHINA RAILWAY FIRST GROUP Co.,Ltd.

Patentee after: CHINA RAILWAY FIRST BUREAU GROUP Co.,Ltd. GUANGZHOU BRANCH

Address before: 710054 No. 1, north section, Yanta Road, Shaanxi, Xi'an

Patentee before: CHINA RAILWAY FIRST GROUP Co.,Ltd.

Patentee before: CHINA RAILWAY FIRST BUREAU GROUP Co.,Ltd. GUANGZHOU BRANCH