CN207062996U - Cross the constructing structure of urban road underpass - Google Patents

Cross the constructing structure of urban road underpass Download PDF

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Publication number
CN207062996U
CN207062996U CN201721055300.5U CN201721055300U CN207062996U CN 207062996 U CN207062996 U CN 207062996U CN 201721055300 U CN201721055300 U CN 201721055300U CN 207062996 U CN207062996 U CN 207062996U
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CN
China
Prior art keywords
underpass
sides
constructing structure
fender post
road
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.)
Expired - Fee Related
Application number
CN201721055300.5U
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Chinese (zh)
Inventor
胡亚琴
张国伟
周月军
沈建明
唐绍明
吴淼
许赵江
陈成
魏小军
魏治科
张平
杨雨春
杨培亮
顾雪飞
程滨生
陈小亮
章铭荣
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.)
HANGZHOU MUNICIPAL ENGINEERING GROUP
Hangzhou Weiye Construction Group Co Ltd
Ningbo Municipal Engineering Construction Group Co Ltd
Original Assignee
HANGZHOU MUNICIPAL ENGINEERING GROUP
Hangzhou Weiye Construction Group Co Ltd
Ningbo Municipal Engineering Construction Group Co Ltd
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 HANGZHOU MUNICIPAL ENGINEERING GROUP, Hangzhou Weiye Construction Group Co Ltd, Ningbo Municipal Engineering Construction Group Co Ltd filed Critical HANGZHOU MUNICIPAL ENGINEERING GROUP
Priority to CN201721055300.5U priority Critical patent/CN207062996U/en
Application granted granted Critical
Publication of CN207062996U publication Critical patent/CN207062996U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of constructing structure for crossing urban road underpass, including the first constructing structure (110) and the second constructing structure (120);First constructing structure (110) includes fender post (1) and water-stop curtain (2), the first Guan Liang (3) is equipped with the top of fender post described in both sides (100), thick reinforced concrete cover plate (4) is provided between the first Guan Liang (3) of both sides, support meanss are provided between fender post (1) madial wall of both sides;Second constructing structure is in addition to setting reinforced concrete between the Guan Liang at top and supporting, other structures are identical with the first constructing structure, and concrete bed course (9) of being always or usually as specified is all provided with below the first construction mechanism (110) and the second constructing structure (120) part in underpass (100).A kind of constructing structure for crossing urban road underpass disclosed in the utility model, the construction Shi Feng road times are short, and efficiency of construction is high, Stability Analysis of Structures.

Description

Cross the constructing structure of urban road underpass
Technical field
Underpass construction field is the utility model is related to, it is specifically a kind of to cross applying for urban road underpass Work structure.
Background technology
The construction method generally used in underpass or constructing metro tunnel at present includes heavy excavation construction, and shield Structure machinery driving jacking.
Conventional method is generally heavy excavation form of construction work, and will construct road surface Feng Dao first, fender post of constructing, then construct Earth excavation is supported, then lower floor's earthwork is excavated in lower road support of constructing again, so circulation, is excavated layer by layer from top to bottom, until digging extremely Bottom of foundation ditch, underpass structure of then constructing, then backfill, then pavement engineering of constructing, this method envelope road time length, and The downtown magnitude of traffic flow is big, and it is very big to implement difficulty, has a strong impact on that civic is normally gone on a journey.
In Shield-type machinery driving jacking, first pass through Shield-type machinery and dig a hole, will followed by mechanical tunneling direction Support frame, which promotes, withstands channel support, and this follow-up concrete frame of mode need to be first prefabricated by precast plant, then is set by transport Received shipment is defeated to scene, is installed by Large-scale Hoisting equipment, is influenceed by hanging device, such as in city underground and underpass construction: Round member can the prefabricated installation of burst, but abnormity and rectangular frame structure need it is prefabricated integral, after being installed on shield, Shield-type machinery Reaction force caused by driving is transmitted to the end on the back of Starting Well with component by component again when driving moves ahead, then by Framing component one is saved and pushed ahead with shield by back jack.
In Shield-type machinery driving jacking, although normal traffic can not be influenceed without envelope road construction processing, There is also following problems, i.e. this method can also construct when physical dimension is smaller, jacking is closer to the distance, increase with physical dimension, pick After entering lengthening distance, hanging device and jacking device will be unable to meet construction needs.
With the increase of development and the flow of personnel of urban transportation, the structures of small physical dimension can not meet that people go out Capable requirement, the underpass of construction big structure size and the demand of structures are increasing, therefore need a kind of new underground badly Passage construction structure is constructed.
Utility model content
Technical problem to be solved in the utility model is:A kind of offer construction Shi Feng road times are short, and efficiency of construction is high, knot The stable constructing structure for crossing urban road underpass of structure.
Technical solution adopted in the utility model is:A kind of constructing structure for crossing urban road underpass is provided, Including the first constructing structure positioned at turnpike road part and the second constructing structure positioned at external road part;
First constructing structure is included close to underpass two sides vertically disposed fender posts, the fender post remotely under The side of passage is provided with water-stop curtain, is equipped with the first Guan Liang described in both sides at the top of fender post, between the first Guan Liang of both sides Provided with thick reinforced concrete cover plate, support meanss are provided between the fender post madial wall of underpass both sides;
Second constructing structure is included close to underpass two sides vertically disposed fender posts, the fender post remotely under The side of passage is provided with water-stop curtain, is equipped with the second Guan Liang described in both sides at the top of fender post, between the second Guan Liang of both sides Supported provided with reinforced concrete, support meanss are provided between the fender post madial wall of underpass both sides;
The underpass, which is located at below the first construction mechanism and the second constructing structure part, is all provided with concrete bed course of being always or usually as specified.
Further, described support meanss include shaped steel purlin and steel pipe support, and described shaped steel purlin is arranged at two On the fender post madial wall of side, the both ends of the steel pipe support are connected with the shaped steel purlin of both sides respectively.
Preferably, described shaped steel purlin is Two bors d's oeuveres structure.Two bors d's oeuveres structure is more stable, firm, and work progress is more Safety.
As an improvement, support column and adjacent reinforced concrete bodies are additionally provided with below the underpass, described plain concrete pad Between layer passage bottom surface located underground and adjacent reinforced concrete bodies.
Using the method for the constructing structure construction underpass of the present utility model for crossing urban road underpass, including Following steps:
A, in construction road surface enclosing Active workings, including turnpike road part and external road part, lead to closely lower Road both sides are constructed fender post along its length;
Both sides side wall upper water-out causes to cave in when b, to prevent from excavating passage, in fender post close to wall side construction high pressure Rotary churning pile water stopping curtain;
C, turnpike road matrix is excavated to predeterminated position, the first Guan Liang of being constructed at the top of fender post;
D, while the first Guan Liang is performed, thick reinforced concrete cover plate of being constructed in the first Guan Liang, the first Guan Liang and thick steel are treated Road surface backfills after muscle concrete cover plate reaches design strength requirement, recovers turnpike road traffic;
E, external road part of matrix is excavated to predeterminated position, the second Guan Liang of being constructed at the top of fender post, and it is same with this When, construction reinforced bar concrete supports between the Guan Liang of both sides second;
F, the deep-well that draws water is being performed close to the position of underpass construction foundation pit, is carrying out cheating interior pre- precipitation, precipitation depth reaches To hole below bottom 1m;
G, after the second Guan Liang and reinforced concrete support reach design strength, layering, segmented earth excavation,
After vertically down excavating external road part to predeterminated position first, on two side performing shaped steel encloses Purlin, and steel pipe support is set up between the shaped steel purlin of both sides, apply prestressing force to steel pipe support, continue to be excavated to foundation ditch Bottom;
H, and then from external road layering in the horizontal direction, segmented version have been excavated in the foundation ditch of completion toward thick reinforced concrete lid Excavated below plate, after being excavated to predeterminated position, shaped steel purlin is performed on two side, and set up between the shaped steel purlin of both sides Steel pipe support, and apply prestressing force to steel pipe support, continue to be excavated to foundation ditch bottom;
I, after being all excavated to foundation ditch bottom after turnpike road part, external road part, plain concrete bed course is built in foundation ditch bottom pour mold;
J, after cushion construction, the bottom plate for underpass of constructing;
K, after bottom plate reaches design strength, shaped steel purlin and steel pipe support in side wall is removed, underground is then poured and leads to The side wall and top plate in road;
L, after the completion of above-mentioned steps, the backfill between cover plate and top plate is carried out in turnpike road part, and slip casting filling is close It is real;
M, external road part backfilling of earthwork is carried out, after being backfilled to reinforced concrete support and the second Guan Liang position, removes reinforcing bar Concrete supports and the second Guan Liang;
N, external road part road surface is performed, after the completion of, recover external road traffic.
The constructing structure of the present utility model for crossing urban road underpass has advantages below compared with prior art:
During using the constructing structure of the present utility model for crossing urban road underpass and using the structure construction, After performing fender post and water-stop curtain, turnpike road part is excavated first, predetermined depth is excavated to and performs the first Guan Liang, and together When perform cover plate in the first Guan Liang, treat to carry out road surface backfill after the completion of cover plate, the first Guan Liang, recover turnpike road traffic, from From the point of view of construction infection degree, the utility model is first constructed cover plate, can be recovered road traffic after the completion of cover plate, then be excavated cover plate With lower part, farthest reduce the influence to traffic;Then excavated in the case where not influenceing turnpike road traffic External road part, the construction of external road part excavate certain depth using open cut construction method from top to bottom Perform support at once afterwards, prevent foundation ditch both sides from caving in, arranging multiplayer support may be selected according to the depth of foundation ditch, and support The alongst arrangement of proportional spacing in foundation ditch, farthest ensure foundation ditch both sides strength of wall body, because being periphery Road, so the influence for using such a mode construct to traffic in envelope road is small, after the excavation of external road part is completed, from Turnpike road bottom portion is layered in the external road section foundation ditch that has excavated, segmented mode excavates, the earthwork is from outer Circuit section foundation ditch comes out, and bottom plate, side plate, the top plate that passage is completed after all excavation of foundation pit are completed pour;
Channel part is all poured after completion reaches design strength requirement, and the utility model is using elder generation in turnpike road portion Backfill between splitted cover board and passage top plate, and use slip casting filling mode so that cover plate with passage top plate is solid pours Together, there is fender post cover plate both sides as support again, so can effectively ensure that the intensity of turnpike road roadbed, avoid due to Cave-in accident occurs for underground excavation passage two, and turnpike road part is carrying out returning for external road part after all constructing Fill out, finally perform external road part road surface, recover outlying traffic, in order to further improve efficiency of construction, the utility model is When external road part can be also also excavated in construction method, from the external road part of turnpike road both sides while open cut base Hole, then excavated out of both sides foundation ditch towards turnpike road part.
Constructing structure of the present utility model, efficiency of construction is high, small to traffic impact, by cover plate of first constructing, then in cover plate Under the construction that is supported and cuts the earth, using the method for structure construction of the present utility model seal the road time it is short (only in fender post and Cover plate applies man-hour requirement envelope road), it is small on citizens' activities influence, and overall construction intensity is high after the completion of passage.
Brief description of the drawings
Fig. 1 is the road schematic top plan view of the constructing structure of the present utility model for crossing urban road underpass.
Fig. 2 is turnpike road part E-E sectional structure charts (the first constructing structure) in Fig. 1.
Fig. 3 is external road part F-F sectional structure charts (the second constructing structure) in Fig. 1
Wherein, 100, underpass, 101, bottom plate, 102, side wall, 103, top plate, 1, fender post, 2, water-stop curtain, 3, One Guan Liang, 4, thick reinforced concrete cover plate, the 5, second Guan Liang, 6, reinforced concrete support, 7, shaped steel purlin, 8, steel pipe support, 9, plain concrete pad Layer, 10, support column, 11, adjacent reinforced concrete bodies
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 3, the utility model provides a kind of constructing structure for crossing urban road underpass, including position The first constructing structure 110 in turnpike road part and the second constructing structure 120 positioned at external road part;
First constructing structure 110 is included close to the vertically disposed fender post 1 in the two sides of underpass 100, and both sides are gone along with sb. to guard him Stake 1 is provided with water-stop curtain 2 in the side away from underpass 100, and the top of both sides fender post 1 is equipped with the first Guan Liang 3, and two Thick reinforced concrete cover plate 4 is provided between first Guan Liang 3 of side, branch is additionally provided between the madial wall of fender post 1 of the both sides of underpass 100 Support arrangement, during construction, for supporting the wall of underpass foundation ditch both sides, prevent from caving in;
Second constructing structure 120 is included close to the vertically disposed fender post 1 in the two sides of underpass 100, the fender post 1 Side away from underpass 100 is provided with water-stop curtain 2, and the top of fender post 1 described in both sides is equipped with the second Guan Liang 5, both sides The second Guan Liang 5 between be provided with reinforced concrete support 6, support dress is provided between the madial wall of fender post 1 of the both sides of underpass 100 Put;
The underpass 100, which is located at below the first constructing structure 110 and the part of the second constructing structure 120, to be all provided with being always or usually as specified Concrete bed course 9.
Support meanss include shaped steel purlin 7 and steel pipe support 8, and described shaped steel purlin 7 is arranged in the fender post 1 of both sides In side wall, the both ends of steel pipe support 8 are connected with the shaped steel purlin 7 of both sides respectively, as preferable, the shaped steel purlin 7 use pair Spell structure.
The lower section of the underpass 100 is additionally provided with support column 10 and adjacent reinforced concrete bodies 11, described plain concrete bed course 9 Between the bottom surface of passage 100 and adjacent reinforced concrete bodies 11 located underground.
As shown in Figures 1 to 3, the constructing structure construction underpass of urban road underpass is crossed using the utility model Method, comprise the following steps:
A, fence, enclosing Active workings, including turnpike road part are set on the road surface for needing to construct underpass 100 All carry out enclosing with external road part, then close to the position of underpass 100 both sides along channel-length direction according to Design attitude construction fender post 1, along the length direction interval of underpass 100, uniformly distance is set the fender post 1;
Two sides upper water-out causes the earthwork to be caved in when b, to prevent from excavating passage, is constructed in fender post 1 close to wall side High-pressure rotary-spray pile water stopping curtain 2;
C, turnpike road matrix is excavated first, after earth excavation to predetermined depth position, in the section passage both sides Along channel-length direction the first Guan Liang 3 of construction at the top of fender post 1;
D, while the first Guan Liang 3 are performed, thick reinforced concrete cover plate 4 of being constructed in the first Guan Liang 3, thick reinforced concrete cover plate 4 Both ends set up respectively in the first Guan Liang 3 for being fixed on both sides, treat the first Guan Liang 3, thick reinforced concrete cover plate 4 reach design strength will Ask rear road surface to backfill, recover turnpike road traffic;
E, and then external road part of matrix is excavated, earth excavation is treated to predetermined depth position, in the section passage both sides The top of fender post 1 constructed the second Guan Liang 5 along channel-length direction, and at the same time, applied between the second Guan Liang 5 of both sides Work reinforced concrete support 6, in this step, it can be excavated from any side external road part of turnpike road, can also be from trunk The external road of both sides of the road is excavated towards turnpike road part simultaneously, shortens the engineering time, improves efficiency of construction;
F, in order to prevent influence on groundwater from constructing, so performing depth of drawing water close to the position of underpass construction foundation pit Well, carry out cheating interior pre- precipitation, precipitation depth reaches hole below bottom 1m;
G, after the second Guan Liang 5 and reinforced concrete support 6 reach design strength, spoil is carried out by layering, segmented version Side, the earthwork of external road part is down excavated first along vertical direction, after being excavated to predetermined depth position, in foundation ditch two sides On perform shaped steel purlin 7, the shaped steel purlin 7 of both sides is separately fixed on the inwall of fender post 1, and in the shaped steel purlin 7 of both sides Between set up steel pipe support 8, give steel pipe support 8 to apply prestressing force, the steel pipe support 8 is used for stretching both sides fender post 1, prevents from collapsing Collapse, the steel pipe support 8 is set along channel-length direction uniform intervals, after the completion of steel pipe support 8 is set up, continues to be excavated to foundation ditch Bottom, as preferable, the shaped steel purlin 7 set up in this step is Two bors d's oeuveres structure;
H, next excavated from external road section complete foundation ditch position be layered in the horizontal direction, segmented version from top to bottom Excavated along the thick lower section of reinforced concrete cover plate 4, as step g, after being excavated to predeterminated position, the fender post 1 equally in two sides On perform shaped steel purlin 7, then between both sides shaped steel purlin 7 set up steel pipe support 8, and to steel pipe support 8 apply prestressing force, The steel pipe support 8 is set along channel-length direction uniform intervals, then proceedes to be excavated to foundation ditch bottom, same to be used as preferably, The shaped steel purlin 7 set up in this step is Two bors d's oeuveres structure;
I, after being all excavated to foundation ditch bottom after turnpike road part, external road part, plain concrete bed course 9 is built in foundation ditch bottom pour mold, In the utility model embodiment, due to bottom of foundation ditch, the soil is porous or softer, so in bottom of foundation ditch both sides close to going along with sb. to guard him The place of stake 1 performs support column 10, then adjacent reinforced concrete bodies 11 is performed on the support column 10 of both sides, finally in the main body The top of structure 11 pours plain concrete bed course 9;
J, turnpike road is treated, after the plain concrete bed course 9 of external road part bottom of foundation ditch is all constructed, underpass of constructing 100 bottom plate 101;
K, after bottom plate 101 reaches design strength, the shaped steel purlin 7 in side wall is removed along channel-length direction segmented With steel pipe support 8, the side wall 102 and top plate 103 of underpass 100 are then poured, often removes one end shaped steel purlin 7 and steel pipe branch Support 8, pours the corresponding side wall 102 of underpass 100 and top plate 103 at once, so repeats to remove, construction, until entirely All side walls 102 of lower channel 100, top plate 103 pour completion;
L, after the completion for the treatment of above-mentioned steps, returning between thick reinforced concrete cover plate 4 and top plate 103 is carried out in turnpike road part Fill out, need slip casting filling closely knit herein so that thick reinforced concrete cover plate 4 and top plate 103 it is solid pour together with, improve overall tie Structure intensity;
M, after turnpike road is partially completed, external road part backfilling of earthwork is carried out, treats backfilling of earthwork to reinforced concrete support 6 Behind the position of the second Guan Liang 5, reinforced concrete support 6 and the second Guan Liang 5 are removed;
O, external road part road surface is finally performed, after the completion of, recover all external road traffic.
The utility model preferred embodiment is described above, but is not to be construed as limiting the scope of the invention. The utility model is not only limited to above example, and its concrete structure allows to change, all in the utility model demand for independence The various change made in protection domain is in the scope of protection of the utility model.

Claims (4)

  1. A kind of 1. constructing structure for crossing urban road underpass, it is characterised in that:Including positioned at the of turnpike road part One constructing structure (110) and the second constructing structure (120) positioned at external road part;
    First constructing structure (110) is included close to the vertically disposed fender post in underpass (100) two sides (1), described to go along with sb. to guard him Side of the stake (1) away from underpass (100) is provided with water-stop curtain (2), and first is equipped with the top of fender post (1) described in both sides Guan Liang (3), thick reinforced concrete cover plate (4), the fender post (1) of underpass (100) both sides are provided between the first Guan Liang (3) of both sides Support meanss are provided between madial wall;
    Second constructing structure (120) is included close to the vertically disposed fender post in underpass (100) two sides (1), described to go along with sb. to guard him Side of the stake (1) away from underpass (100) is provided with water-stop curtain (2), and second is equipped with the top of fender post (1) described in both sides Guan Liang (5), is provided with reinforced concrete support (6) between the second Guan Liang (5) of both sides, in the fender post (1) of underpass (100) both sides Support meanss are provided between side wall;
    It is all provided with the underpass (100) below the first constructing structure (110) and the second constructing structure (120) part It is always or usually as specified concrete bed course (9).
  2. 2. the constructing structure according to claim 1 for crossing urban road underpass, it is characterised in that:Described support Device includes shaped steel purlin (7) and steel pipe support (8), and described shaped steel purlin (7) is arranged at fender post (1) madial wall of both sides On, the both ends of the steel pipe support (8) are connected with the shaped steel purlin (7) of both sides respectively.
  3. 3. the constructing structure according to claim 2 for crossing urban road underpass, it is characterised in that:Described shaped steel Purlin (7) is Two bors d's oeuveres structure.
  4. 4. according to the constructing structure for crossing urban road underpass described in claim 1 or 2 or 3, it is characterised in that:It is described Support column (10) and adjacent reinforced concrete bodies (11) are additionally provided with below underpass (100), described plain concrete bed course (9) is located at Between underpass (100) bottom surface and adjacent reinforced concrete bodies (11).
CN201721055300.5U 2017-08-22 2017-08-22 Cross the constructing structure of urban road underpass Expired - Fee Related CN207062996U (en)

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Application Number Priority Date Filing Date Title
CN201721055300.5U CN207062996U (en) 2017-08-22 2017-08-22 Cross the constructing structure of urban road underpass

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107574836A (en) * 2017-08-22 2018-01-12 杭州伟业建设集团有限公司 Cross the constructing structure and construction method of urban road underpass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107574836A (en) * 2017-08-22 2018-01-12 杭州伟业建设集团有限公司 Cross the constructing structure and construction method of urban road underpass
CN107574836B (en) * 2017-08-22 2023-10-03 哈密康建工程施工有限责任公司 Construction structure and construction method for crossing urban road underground passage

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