CN101787710B - Integrally-assembled buttressed retaining wall and construction method thereof - Google Patents
Integrally-assembled buttressed retaining wall and construction method thereof Download PDFInfo
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- CN101787710B CN101787710B CN2010101274369A CN201010127436A CN101787710B CN 101787710 B CN101787710 B CN 101787710B CN 2010101274369 A CN2010101274369 A CN 2010101274369A CN 201010127436 A CN201010127436 A CN 201010127436A CN 101787710 B CN101787710 B CN 101787710B
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Abstract
The invention discloses an integrally-assembled buttressed retaining wall and a construction method thereof. The retaining wall adopts a prefabricated reinforced concrete bottom plate (2) with vertical lap-joint reinforcing steel bars (3) and grooves (4); and a wall surface plate and a buttress adopt prefabricated reinforced concrete hollow wall plates (1). When in assembling, the lowest prefabricated concrete hollow wall plate (1) is clamped in the grooves (4), and the vertical lap-joint reinforcing steel bars (3) are stretched into holes in the prefabricated concrete hollow wall plate (1) which is built in an interlaced manner; vertical and horizontal reinforcing steel bars are respectively arranged in the holes and horizontal grooves of the prefabricated concrete hollow wall plate (1); finally, concrete pouring is carried out to form the integrally-assembled buttressed retaining wall. The provided construction method of the integrally-assembled buttressed retaining wall includes the following steps in sequence: (a) preparation work; (b) foundation excavation; (c) hoisting; (d) inserting of the reinforcing steel bars and concrete pouring; (e) backfilling.
Description
Technical field
The present invention relates to the job practices of a kind of integrally-assembled buttressed retaining wall structure and this retaining wall.
Background technology
China is in highway, railway, municipal engineering at present, and a lot of slope retainings all need adopt retaining wall, and most of retaining walls all adopt rubble stone retaining wall.Rubble stone retaining wall needs a large amount of exploitation rubbles, and vegetation destruction is unfavorable for environmental protection; And rubble stone retaining wall is high to the requirement of bearing capacity of foundation soil; Embedded depth of foundation is very big, and engineering quantity is big, and speed of application is slow; For the higher retaining wall of retaining soil, build rubble stone retaining wall and can not make construction costs most economical.And all kinds retaining wall of building at the construction field (site) with steel concrete is because need a large amount of templates, and speed of application is also slow.
A kind of integrally-assembled buttressed retaining wall of the present invention; Satisfy the requirement of high barricade; Can maximized realization mechanized construction with reduce artificial input; Not only can improve speed of application and reduce construction costs, the environment around can also better protection, this will be the developing direction that retaining wall is built from now on.
Summary of the invention
The present invention provides integrally-assembled buttressed retaining wall and the job practices thereof that a kind of speed of application is fast, the duration short, construction costs is lower.
Need a large amount of artificial for overcoming existing retaining wall; Speed of application waits problem slowly; Technical scheme of the present invention is: a kind of integrally-assembled buttressed retaining wall; Comprise the prefabricated reinforced concrete base plate 2 of precast concrete hollow wall panel 1, band vertical overlap joint reinforcing bar 3 and groove 4, during lifting, make the precast concrete hollow wall panel 1 of minimum next piece be stuck in 4 li of grooves and vertical overlap joint reinforcing bar 3 is reached in the hole in the precast concrete hollow wall panel 1.Retaining walls panel and counterfort are taken block by precast concrete hollow wall panel 1 fissure of displacement; In the level trough of each layer precast concrete hollow wall panel of shingle nail and counterfort, place horizontal steel bar stress 5 and L shaped distribution reinforcement 8 respectively, slotting respectively vertical applied force reinforcing bar 7 and 9 in the hole of shingle nail and counterfort.Build grout concrete 6 at last and form a kind of integrally-assembled buttressed retaining wall.
The job practices of above-mentioned integrally-assembled buttressed retaining wall comprises the steps: successively
(a) preparation: prefabricated preparation and job site preparation two parts of comprising hollow wall plank of concrete 1 or building-block, reinforced concrete floor 2.Wherein prefabricated preparation is carried out in prefabricated factory, and according to design drawing, precast concrete hollow wall panel 1 or building-block and band vertically overlap the reinforced concrete floor 2 of reinforcing bar 3 and groove 4.Before the on-the-spot formal construction, place cleaning, prepare the stacking of material (cement, sand, cobble, graded broken stone), also should carry out the drainage works of construction plant in addition in advance.At two adjacent prefabricated reinforced concrete base plate 2 places, minimum next piece precast concrete hollow wall panel 1 or building-block are stuck in the groove of two prefabricated reinforced concrete base plates 2 simultaneously.
(b) foundation excavation: adopt the mechanical equivalent of light excavation rapid construction, the thick C10 concrete of thick graded broken stone of 100mm and 100mm is spread as foundation pad in artificial clear side, compacting and leveling basis.
(c) lifting: behind the levelling unwrapping wire; Hanging belt vertically overlaps the prefabricated reinforced concrete base plate 2 of reinforcing bar 3 to corresponding position; Contiguous prefabricated reinforced concrete floor level and vertical non-alignment; Precast concrete hollow wall panel 1 or building-block are lifted on the prefabricated reinforced concrete base plate 2, vertical overlap joint reinforcing bar 3 is reached in the hole of hollow wall plank of concrete 1 or building-block.
(d) joint bar and fluid concrete: according to design drawing; In the level trough of each layer precast concrete hollow wall panel of shingle nail and counterfort, place horizontal steel bar stress 5 and L shaped distribution reinforcement 8 respectively; In the hole of shingle nail and counterfort, insert vertical applied force reinforcing bar 7 and 9 respectively, pour into a mould grout concrete 6 again, the grout concrete must be used pea gravel concreten; Use the vibrating head vibration compacting behind the cast grout concrete, should adopt the plug-in type mini vibrator.
(e) backfill: after grout concrete curing time had arrived, the backfill of beginning wall back of the body soil, backfill be in proper order for successively filling from low to high, can not to barricade at the back banketing in the 1m scope ram pressure.
The integrally-assembled buttressed retaining wall that the present invention proposes is from heavy and light, and is simple in structure, carries on the back thickness and the arrangement of reinforcement that the soil pressure size is adjusted thickness, arrangement of reinforcement and the shingle nail of prefabricated reinforced concrete base plate according to the wall that geological conditions and counterfort retaining wall receive.This integrally-assembled buttressed retaining wall adopts prefabrication, on-site consolidation, and cast grout concrete does not need template, and speed of application is fast, and saving is artificial in a large number, construction costs is lower, and its stress performance is equivalent to the steel concrete counterfort retaining wall.Because speed of application is fast, and is also just less to the influence degree of job site surrounding enviroment, significant for environmental protection.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the prefabricated reinforced concrete base plate, is provided with groove and vertical overlap joint reinforcing bar;
Fig. 3 is the precast concrete hollow wall panel, leaves the groove of placing horizontal reinforcement;
Fig. 4 takes block figure for the building block of shingle nail and counterfort junction;
Description of reference numerals is following:
1-precast concrete hollow wall panel, 2-prefabricated reinforced concrete base plate, 3-vertically overlap reinforcing bar 4-groove
The horizontal steel bar stress of 5-shingle nail, 6-grout concrete, 7-shingle nail vertical applied force reinforcing bar,
8-L shape distribution reinforcement, 9-counterfort vertical applied force reinforcing bar, 10-horizontal mortar joint
The specific embodiment
To combine accompanying drawing that the present invention is done detailed explanation below.
Embodiment 1:
Referring to Fig. 1; A kind of integrally-assembled buttressed retaining wall; The prefabricated reinforced concrete base plate 2 that comprises precast concrete hollow wall panel 1 and the vertical overlap joint of band reinforcing bar 3 and groove; When assembling; Make the precast concrete hollow wall panel 1 of minimum next piece be stuck in 4 li of grooves and vertical overlap joint reinforcing bar 3 is reached in the hole in the precast concrete hollow wall panel 1, precast concrete hollow wall panel 1 adopts the fissure of displacement to take block, in the level trough of each layer precast concrete hollow wall panel of shingle nail and counterfort, places horizontal steel bar stress 5 and L shaped distribution reinforcement 8 respectively; In the hole of shingle nail and counterfort, insert vertical applied force reinforcing bar 7 and 9 respectively, build the grout concrete at last and form a kind of integrally-assembled buttressed retaining wall.
Referring to Fig. 2, prefabricated reinforced concrete base plate 2 leaves vertical overlap joint reinforcing bar 3 and groove 4, and the precast concrete hollow wall panel 1 of minimum next piece must be stuck in 4 li of grooves and vertical overlap joint reinforcing bar 3 is reached in the hole in the precast concrete hollow wall panel 1.
Fig. 3 is the precast concrete hollow wall panel 1 of different size, owing to will in the level trough of wallboard, place horizontal steel bar stress, the width of precast concrete hollow wall panel 1 that is used for the counterfort place in addition is greater than the width of the precast concrete hollow wall panel 1 that is used for shingle nail.
Referring to Fig. 4; In the position that the retaining walls panel links to each other with counterfort; Shingle nail adopts four kinds of precast concrete hollow wall panels 1 in Fig. 3 upper left corner, and two kinds of precast concrete hollow wall panels 1 in Fig. 3 lower left corner are adopted in other positions of shingle nail, and counterfort adopts the precast concrete hollow wall panel 1 on Fig. 3 the right.Precast concrete hollow wall panel 1 on the shingle nail adopts the fissure of displacement to take block, for counterfort, adopts the precast concrete hollow wall panel 1 with different length, realizes the variable cross-section counterfort.
Embodiment 2:
The construction of integrally-assembled buttressed retaining wall:
(a) preparation: prefabricated preparation and job site preparation two parts of comprising hollow wall plank of concrete 1, reinforced concrete floor 2.Wherein prefabricated preparation is carried out in prefabricated factory, and according to design drawing, precast concrete hollow wall panel 1 or building-block and band vertically overlap the reinforced concrete floor 2 of reinforcing bar 3 and groove 4.Before the on-the-spot formal construction, place cleaning, prepare the stacking of material (cement, sand, cobble, graded broken stone), also should carry out the drainage works of construction plant in addition in advance.At two adjacent prefabricated reinforced concrete base plate 2 places, minimum next piece precast concrete hollow wall panel 1 is stuck in the groove of two prefabricated reinforced concrete base plates 2 simultaneously.
(b) foundation excavation: adopt the mechanical equivalent of light excavation rapid construction, the thick C10 concrete of thick graded broken stone of 100mm and 100mm is spread as foundation pad in artificial clear side, compacting and leveling basis.
(c) lifting: behind the levelling unwrapping wire; Hanging belt vertically overlaps the prefabricated reinforced concrete base plate 2 of reinforcing bar 3 to corresponding position; Contiguous prefabricated reinforced concrete floor level and vertical non-alignment; Precast concrete hollow wall panel 1 is lifted on the prefabricated reinforced concrete base plate 2, vertical overlap joint reinforcing bar 3 is reached in the hole of hollow wall plank of concrete 1.
(d) joint bar and fluid concrete: according to design drawing; In the level trough of each layer precast concrete hollow wall panel of shingle nail and counterfort, place horizontal steel bar stress 5 and L shaped distribution reinforcement 8 respectively; In the hole of shingle nail and counterfort, insert vertical applied force reinforcing bar 7 and 9 respectively, pour into a mould grout concrete 6 again, the grout concrete must be used pea gravel concreten; Use the vibrating head vibration compacting behind the cast grout concrete, should adopt the plug-in type mini vibrator.
(e) backfill: after grout concrete curing time had arrived, the backfill of beginning wall back of the body soil, backfill be in proper order for successively filling from low to high, can not to barricade at the back banketing in the 1m scope ram pressure.
Claims (2)
1. integrally-assembled buttressed retaining wall; It is characterized in that: the retaining wall base plate is the prefabricated reinforced concrete base plate (2) of band vertical overlap joint reinforcing bar (3) and groove (4); Retaining wall panel and counterfort are to be taken by precast concrete hollow wall panel (1) fissure of displacement to build or the building-block fissure of displacement is taken block; Precast concrete hollow wall panel (1) through making minimum next piece or building-block is stuck in groove (4) lining and vertical overlap joint reinforcing bar (3) is reached in the hole in precast concrete hollow wall panel (1) or the building-block; And in the hole of precast concrete hollow wall panel (1) or building-block and level trough, place vertical reinforcement and horizontal reinforcement respectively, build the grout concrete at last and form a kind of integrally-assembled buttressed retaining wall.
2. the job practices of the integrally-assembled buttressed retaining wall described in claim 1 is characterized in that: comprise the steps: successively
(a) preparation: prefabricated preparation and job site preparation two parts of comprising hollow wall plank of concrete (1) or building-block, reinforced concrete floor (2); Wherein prefabricated preparation is carried out in prefabricated factory, and according to design drawing, precast concrete hollow wall panel (1) or building-block, band vertically overlap the reinforced concrete floor (2) of reinforcing bar (3) and groove (4); Before the on-the-spot formal construction, place cleaning, prepare the stacking of material, also should carry out the drainage works of construction plant in addition in advance; Two prefabricated reinforced concrete base plates (2) adjacent are located, and minimum next piece precast concrete hollow wall panel (1) or building-block are stuck in the groove of two prefabricated reinforced concrete base plates (2) simultaneously.
(b) foundation excavation: adopt the mechanical equivalent of light excavation rapid construction, the thick C10 concrete of thick graded broken stone of 100mm and 100mm is spread as foundation pad in artificial clear side, compacting and leveling basis;
(c) lifting: behind the levelling unwrapping wire; Hanging belt vertically overlaps the prefabricated reinforced concrete base plate (2) of reinforcing bar (3) to corresponding position; Contiguous prefabricated reinforced concrete floor level and vertical non-alignment; Precast concrete hollow wall panel (1) or building-block are lifted on the prefabricated reinforced concrete base plate (2), vertical overlap joint reinforcing bar (3) is reached in the hole of hollow wall plank of concrete (1) or building-block;
(d) joint bar and fluid concrete: according to design drawing; In the level trough of each layer precast concrete hollow wall panel of shingle nail and counterfort, place horizontal steel bar stress (5) and L shaped distribution reinforcement (8) respectively; In the hole of shingle nail and counterfort, insert shingle nail vertical applied force reinforcing bar (7) and counterfort vertical applied force reinforcing bar (9) respectively, pour into a mould grout concrete (6) again, the grout concrete must be used pea gravel concreten; Use the vibrating head vibration compacting behind the cast grout concrete, adopt the plug-in type mini vibrator;
(e) backfill: after grout concrete curing time had arrived, the backfill of beginning wall back of the body soil, backfill be in proper order for successively filling from low to high, can not to barricade at the back banketing in the 1m scope ram pressure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101274369A CN101787710B (en) | 2010-03-19 | 2010-03-19 | Integrally-assembled buttressed retaining wall and construction method thereof |
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| CN2010101274369A CN101787710B (en) | 2010-03-19 | 2010-03-19 | Integrally-assembled buttressed retaining wall and construction method thereof |
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| CN101787710A CN101787710A (en) | 2010-07-28 |
| CN101787710B true CN101787710B (en) | 2012-03-14 |
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| CN108252322A (en) * | 2017-09-19 | 2018-07-06 | 湘潭大学 | A kind of prefabricated counterfort wall |
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| CN112779926A (en) * | 2021-01-26 | 2021-05-11 | 上海勘测设计研究院有限公司 | Assembled buttress retaining wall structure |
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| CN101787710A (en) | 2010-07-28 |
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Effective date of registration: 20160824 Address after: 213168, Changzhou District, Jiangsu City, Wujin province cattle town, Lu home lane, Wu West Road, Jiang Yi high-speed toll station, 50 meters West Patentee after: Jiangsu Lvhe Environment Science and Technology Co., Ltd. Address before: 410082 College of civil engineering, Hunan University, Changsha, Hunan, China Patentee before: Huang Jing |