CN103572775A - Semi-assembly type retaining wall of soil filling slope and construction method for semi-assembly type retaining wall - Google Patents
Semi-assembly type retaining wall of soil filling slope and construction method for semi-assembly type retaining wall Download PDFInfo
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- CN103572775A CN103572775A CN201210266459.7A CN201210266459A CN103572775A CN 103572775 A CN103572775 A CN 103572775A CN 201210266459 A CN201210266459 A CN 201210266459A CN 103572775 A CN103572775 A CN 103572775A
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Abstract
The invention relates to the technical field of retaining walls of soil filling slopes, and discloses a semi-assembly type retaining wall of a soil filling slope. The semi-assembly type retaining wall of the soil filling slope comprises a plurality of reinforced concrete piles, pile top tie beams and upright columns, wherein the pile top tie beams are arranged at the upper ends of the reinforced concrete piles; intercolumnar tie beams are arranged in the middles of the upright columns; an intercolumnar gap is formed between each two adjacent upright columns; a balancing beam is arranged on the back side of each upright column; an inter-beam gap is formed between each two adjacent balancing beams; a retaining vertical plate is inserted in each intercolumnar gap; and a balancing flat plate is paved in each inter-beam gap. The retaining wall is provided with the reinforced concrete piles, and is well-adapted to geological conditions; balancing beam and slab structures are arranged on the back sides of the upright columns, so that the stress of the whole retaining wall is reasonable, the construction cost for the retaining wall is saved, and the applicable height of the retaining wall is increased; and moreover, the retaining wall has a semi-assembly structure, the curing period of pouring baffles is avoided, the construction speed is increased, and anchor cables are not required in the retaining wall, so that potential safety hazards caused by the reason that the anchor cables are easy to corrode and poor in durability are avoided.
Description
Technical field
The present invention relates to the to banket technical field of retaining wall of side slope, relates in particular to half Retaining Wall and the job practices thereof of the side slope of banketing.
Background technology
The retaining wall of the side slope of banketing at present mainly adopts gravity retaining wall, cantilever retaining wall, counterfort retaining wall, stake plate retaining wall and the pull-type stake of anchor plate retaining wall etc.
Gravity retaining wall is simple in structure, and material price is cheap, but its maxi-mum height is limited, generally lower than 7m, and to bearing capacity of foundation soil require highly, bricklaying volume is large, and there is to larger dependence in the material place of production.
Cantilever retaining wall and counterfort retaining wall stressed relatively reasonable, the maxi-mum height of retaining wall increases with respect to gravity retaining wall, but it is not suitable for the slightly poor stratum of foundation condition, and if inconvenient vehicles while passing after retaining wall, the banketing operation after retaining wall is very inconvenient.
Stake plate retaining wall structure is simple, and the strong adaptability to stratum, but its structure stress is simple, and maxi-mum height is limited, and the distortion of wall top is larger, and less economical.
The pull-type stake of anchor plate retaining wall has compared with much progress with respect to stake plate retaining wall, adopt anchor cable to improve the structure stress of retaining wall, it is applicable to higher gear height and reasonable stress, but anchor cable to formation condition require high, especially, the stratum of banketing is not suitable for setting anchor cable, on Fu Shui stratum and to steel under mordant environment, the poor durability of anchor cable, brings potential safety hazard to retaining wall.
Summary of the invention
The object of the present invention is to provide half Retaining Wall of the side slope of banketing, be intended to solve in prior art, banket the retaining wall of side slope to geological conditions bad adaptability, there is potential safety hazard, stressed unreasonable, maxi-mum height is restricted and cost is higher problem.
The present invention realizes like this, half Retaining Wall of the side slope of banketing, the reinforced concrete pile that comprises the alternate setting of side slope toe of banketing described in a plurality of edges, be connected to stake top linking beam and a plurality of alternate described stake linking beam upper end, top and upwardly extending column be located at of a plurality of described reinforced concrete piles upper end, the hypomere column that described column comprises epimere column and is positioned at described epimere column below, the joint of described epimere column and described hypomere column is provided with intercolumniation linking beam, described in each, reinforced concrete pile bankets in side slope described in being embedded in, between adjacent described column, there is intercolumniation gap, described intercolumniation linking beam dorsal part is provided with to the weight beam extending in the described side slope of banketing, between adjacent described weight beam, there is gap between beam, in described intercolumniation gap, be inserted with the native riser of gear, between described beam, in gap, be equipped with weight flat board.
The present invention also provides the job practices of half Retaining Wall of the side slope of banketing, and comprises the following steps:
1), construct a plurality of described reinforced concrete piles and stake top linking beam, a plurality of described reinforced concrete piles are embedded in to banket in side slope, and the alternate layout of toe of the side slope of banketing described in edge, described stake top linking beam is connected to a plurality of described reinforced concrete piles upper end;
2), in described stake linking beam upper end, top formwork, build the hypomere column of a plurality of alternate layouts, described in each, hypomere column extends upward, and has intercolumniation gap between adjacent described hypomere column;
3) in described intercolumniation gap, plug, in turn the native riser of gear, and in the dorsal part backfill of described hypomere column;
4) when, the soil body after described retaining wall is backfilled to described hypomere column top, in described hypomere column top, integral formwork support is built intercolumniation linking beam, described intercolumniation linking beam dorsal part is built a plurality of weight beams that extend towards the described side slope of banketing, between adjacent described weight beam, have gap between beam, the whole longitudinal reinforcements in described hypomere column stretch out described intercolumniation linking beam as the reserved steel bar of described epimere column;
5), on described intercolumniation linking beam, build epimere column that a plurality of and described hypomere column is corresponding to described in the Slope top of banketing, between adjacent described epimere column, there is intercolumniation gap;
6), in laying weight flat board on gap between the beam between adjacent described weight beam;
7), repeating step 3), until described in the banket height of half Retaining Wall of side slope reach designing requirement.
Compared with prior art, retaining wall in the present invention adopts reinforced concrete pile, strong adaptability to geological conditions, and column dorsal part is provided with to the weight beam extending in the side slope of banketing, it can improve the stressed of column, thereby make the more reasonable stress of whole retaining wall, can save the materials of retaining wall, thereby cost-saving; Meanwhile, the maxi-mum height of retaining wall also can improve, engineering demands; In addition, what this retaining wall adopted is half fabricated construction, and it avoids watering the curing time of plate, greatly improves construction speed, and in this retaining wall, do not need to arrange anchor cable, can avoid anchor cable poor durability, construction quality portion in the side slope of the banketing security hidden trouble bringing such as stable.
Accompanying drawing explanation
Fig. 1 is that the master of half Retaining Wall of the side slope of banketing that provides of the embodiment of the present invention looks schematic diagram;
Fig. 2 be in Fig. 1 A to cut-away illustration;
Fig. 3 be in Fig. 1 B to cut-away illustration.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides half Retaining Wall of the side slope of banketing, the reinforced concrete pile that comprises the alternate setting of side slope toe of banketing described in a plurality of edges, be connected to stake top linking beam and a plurality of alternate described stake linking beam upper end, top and upwardly extending column be located at of a plurality of described reinforced concrete piles upper end, the hypomere column that described column comprises epimere column and is positioned at described epimere column below, the joint of described epimere column and described hypomere column is provided with intercolumniation linking beam, described in each, reinforced concrete pile bankets in side slope described in being embedded in, between adjacent described column, there is intercolumniation gap, described intercolumniation linking beam dorsal part is provided with to the weight beam extending in the described side slope of banketing, between adjacent described weight beam, there is gap between beam, in described intercolumniation gap, be inserted with the native riser of gear, between described beam, in gap, be equipped with weight flat board.
Retaining wall structure in the present invention is stressed comparatively reasonable, can save the materials of retaining wall, and then cost-saving, and the maxi-mum height of retaining wall also can improve greatly simultaneously; In addition, what retaining wall adopted is half fabricated construction, the curing time that it can avoid breast boards to build, greatly shortens the construction period, and in retaining wall, do not need to arrange anchor cable, the side slope stream line corrosion-vulnerable of can avoiding banketing, unstable the brought security hidden trouble of construction quality.
Below in conjunction with concrete accompanying drawing, realization of the present invention is described in detail.
As shown in Figures 1 to 3, be a preferred embodiment provided by the invention.
Half Retaining Wall 1 that the present embodiment provides is arranged on the toe place of the side slope 2 of banketing, the rear backfill of this retaining wall 1 has backfill 3, and it comprises along a plurality of reinforced concrete piles 11 of the alternate layout of side slope 2 toe of banketing, is connected to stake top linking beam 12 and alternate top linking beam 12 upper end and the upwardly extending a plurality of column 13 of being connected to of a plurality of reinforced concrete piles 11 upper ends.
Each above-mentioned reinforced concrete pile 11 is embedded in the side slope 2 of banketing, and the alternate setting of a plurality of reinforced concrete piles 11 forms row's shape structure of arranging along the toe place of the side slope 2 of banketing; Stake top linking beam 12 is connected to the upper end of a plurality of reinforced concrete piles 11, and bearing of trend is consistent with the arranged direction of a plurality of reinforced concrete piles 11; A plurality of columns 13 are alternate is respectively connected to a upper end for top linking beam 12, and is and extends upward shape and arrange to have intercolumniation gap between adjacent column 13; Column 13 comprises hypomere column 131 and epimere column 132, and hypomere column 131 is positioned at epimere column 132 belows, and between the two, is provided with intercolumniation linking beam 14; The dorsal part of each column 13 is provided with to the weight beam 15 of the side slope 2 interior extensions of banketing, this weight beam 15 is placed in the back of intercolumniation linking beam 14, like this, and owing to having weight beam 15 on each column 13, on a plurality of columns 13, form a plurality of weight beams 15, and there is gap between beam between adjacent weight beam 15.
In order to form the overall structure of half Retaining Wall 1, in above-mentioned intercolumniation gap, be inserted with the native riser 16 of a plurality of gears, and the native riser 16 of the plurality of gear extends upward direction layout along column 13; Between above-mentioned beam, in gap, be equipped with a plurality of weight flat boards 17, the plurality of weight flat board 17 is arranged along the bearing of trend of weight beam 15.In intercolumniation gap by adjacent upright posts 13, plug the native riser 14 of gear, and between the beam of adjacent weight beam 15, in gap, lay weight flat board 17, thereby form the fabricated pattern of this retaining wall 1 half.
Utilize the toe place of half above-mentioned Retaining Wall 1 in the side slope 2 of banketing, it utilizes reinforced concrete pile 11 structures, and soil pressure after wall is delivered in deep soil, realizes the stable of the side slope of banketing, backfill 3 on column 13 dorsal parts acts on column 13, because the dorsal part of the column 13 of this retaining wall 1 is provided with to the weight beam 15 of backfill 3 interior extensions, and between the beam of adjacent weight beam 15, gap is equipped with weight flat board 17, its top backfill pressure-acting is on weight beam 15, at column 11, form a reverse bending moment, thereby can improve the stressed of column 13, make the more reasonable stress of whole retaining wall 1, and then the materials of retaining wall 1 are greatly reduced, cost-saving, simultaneously, more reasonable stress due to retaining wall 1, the maxi-mum height of retaining wall 1 also can obviously improve, its the highest gear height can reach 15m, this retaining wall 1 adopts half fabricated construction, thereby can avoid building the curing time of breast boards, greatly improves speed of application, meanwhile, increases the scope of operation of fill construction, facilitates fill construction.In addition, this half Retaining Wall 1 does not need to arrange anchor cable, thereby can avoid the security hidden trouble that brings because anchor cable corrosion-vulnerable, construction quality are unstable etc.
In the present embodiment, the quantity of reinforced concrete pile 11 is consistent with the quantity of column 13, and corresponding setting, and the column 13 being respectively connected on a top linking beam 12 is one to one with each reinforced concrete pile 11 banketing in side slope 2.Certainly, according to practice of construction needs, also can keep the one-to-one correspondence that differs, the two size is capable of regulating also, and concrete setting determined by the needs of actual design.
In above-mentioned, each column 13 is provided with steel bar connecting structure with the junction of stake top linking beam 12, namely the longitudinal reinforcement of many of this junctions reinforced concrete pile 11 enters into the reinforcing bar of column 13 through stake top linking beam 12, like this, can guarantee that column 13 and stake top linking beam 12 connect as one, and then link into an integrated entity with reinforced concrete pile 11.
In each column 13, the whole longitudinal reinforcements of epimere column 132 are all interior reserved at intercolumniation linking beam 14, and the elongated setting of longitudinal reinforcement in epimere column 132 and hypomere column 131, respectively through intercolumniation linking beam 14.
In the present embodiment, between weight beam 15 and column 13, be vertical setting, like this, can guarantee that weight beam 15 can share the moment of flexure that backfill 3 pressure produce for column 13.Certainly, according to actual needs, weight beam 15 also can arrange above it and draw anchor member or braced structures is thereunder set, and concrete setting can consider in conjunction with wall-retaining structure loading characteristic and economy.Also can be toward the state upwarping, the angle of its perk is determined by actual needs.
For making column 13 stressed evenly, strengthen the globality of barricade 1, between the hypomere column 131 of column 13 and epimere column 132, be provided with above-mentioned intercolumniation linking beam 14, intercolumniation linking beam 14 and weight beam 15 one formworks are built, and intercolumniation linking beam 14 is perpendicular to weight beam 15, meanwhile, each column 13 is also perpendicular to weight beam 15.
For the gear soil riser 16 that guarantees to be plugged in intercolumniation gap can be under the effect of backfill 3 pressure, disengaging is connected with column 13, the outer ledge of above-mentioned column 13 is provided with the post upper groove structure 18 towards its dorsal part, keep off behind the intercolumniation gap that native riser 14 is plugged in adjacent column 13, its both sides are pressed in post upper groove structure 18, when the dorsal part backfill of column 13 after backfill 3, under the effect of backfill 3 pressure, keep off native column 13 and be pressed in the post upper groove structure 18 of column 13, can not spin off from column 13.
In order to guarantee to be laid on the weight flat board 17 on gap between adjacent weight beam 15 beams, can better coordinate with weight beam 15, and can not depart from from weight beam 15, the both sides, upper end of weight beam 15 are respectively equipped with to recessed beam upper groove structure 19, after weight flat board 17 is placed between the beam of adjacent weight beam 15 on gap, its both sides are placed in respectively in above-mentioned beam upper groove structure 19, when the dorsal part backfill of column 13 after backfill 3, under the effect of backfill 3 pressure, the both sides of weight flat board 16 are pressed in beam upper groove structure 18, can not depart from from weight beam 15.
The present embodiment also provides the job practices of half Retaining Wall 1 of the above-mentioned side slope 2 of banketing, and its concrete steps are as follows:
1), construct a plurality of reinforced concrete piles 11 and stake top linking beam 12, a plurality of reinforced concrete piles 11 is embedded in and bankets in side slope, and along the alternate layout of toe of the side slope 2 of banketing, a stake top linking beam 12 is connected to a plurality of reinforced concrete piles 11 upper ends;
2), on the linking beam 12 of stake top, formwork is built the hypomere column 131 of a plurality of alternate layouts, each hypomere column 131 extends upward, and has intercolumniation gap between adjacent hypomere column 131;
3) in intercolumniation gap, plug, in turn the native riser 16 of gear, and fill backfill 3 in the dorsal part of column 13;
4) when, after wall, backfill 3 is backfilled to hypomere column 131 top, at hypomere column 131 top integral formwork supports, build the weight beam 15 of intercolumniation linking beam 14 and dorsal part thereof, this horizontal heavy beam 15 extends towards the side slope of banketing, between adjacent weight beam 15, there is gap between beam, in hypomere column 131, all longitudinal reinforcement stretches out intercolumniation linking beam 14, as the reserved steel bar of epimere column 132;
5), on intercolumniation linking beam, build a plurality of epimere columns 132 corresponding with hypomere column 131 to banketing Slope top, and there is intercolumniation gap between adjacent described epimere column 132;
6), in laying weight flat board 17 on gap between the beam between adjacent weight beam 15;
7), repeating step 3), until described in the banket height of half Retaining Wall of side slope reach designing requirement.
Above-mentioned work progress belongs to half fabricated construction, and the native riser 16 of gear can be assembled in the intercolumniation gap between column 13, between the beam of weight beam 15, on gap, can assemble weight flat board 17.By this construction sequence, can realize the structure of half Retaining Wall 1 of the side slope 2 of banketing in above-mentioned.
Certainly, before step 1), can be according to designing requirement, prefabricated gear soil riser 16 and weight flat board 17, do good material and machinery is prepared.
Above-mentioned steps 2) in, hypomere column 131 is built respectively with epimere column 132, and intercolumniation linking beam 14 can be built by integral formwork support with weight beam 15.
In the work progress of step 1), after the good stake of construction top linking beam 12, can on stake top linking beam 12, reserve the longitudinal reinforcement of column 13, when constructing hypomere column 131 on stake top linking beam 12, these reinforcing bars can be inserted in corresponding hypomere column 131, thereby make hypomere column 131 form effective connection with the junction of stake top linking beam 12.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. half Retaining Wall of the side slope of banketing, it is characterized in that, the reinforced concrete pile that comprises the alternate setting of side slope toe of banketing described in a plurality of edges, be connected to stake top linking beam and a plurality of alternate described stake linking beam upper end, top and upwardly extending column be located at of a plurality of described reinforced concrete piles upper end, the hypomere column that described column comprises epimere column and is positioned at described epimere column below, the joint of described epimere column and described hypomere column is provided with intercolumniation linking beam, described in each, reinforced concrete pile bankets in side slope described in being embedded in, between adjacent described column, there is intercolumniation gap, described intercolumniation linking beam dorsal part is provided with to the weight beam extending in the described side slope of banketing, between adjacent described weight beam, there is gap between beam, in described intercolumniation gap, be inserted with the native riser of gear, between described beam, in gap, be equipped with weight flat board.
2. half Retaining Wall of the side slope of banketing as claimed in claim 1, it is characterized in that, described in each, column is provided with the post upper groove structure towards its dorsal part in its outer ledge place, and the two ends of described gear soil riser press on respectively the post upper groove structure of adjacent described column.
3. half Retaining Wall of the side slope of banketing as claimed in claim 1, it is characterized in that, the both sides of described weight beam upper end are respectively equipped with to recessed beam upper groove structure, and the two ends of described weight flat board press on respectively the beam upper groove structure of adjacent described weight beam.
4. half Retaining Wall of the side slope of banketing as described in claims 1 to 3, is characterized in that, described intercolumniation linking beam and described weight beam intersect vertically.
5. half Retaining Wall of the side slope of banketing as described in claims 1 to 3 any one, is characterized in that, described in each, column and described weight beam are perpendicular.
6. half Retaining Wall of the side slope of banketing as described in claims 1 to 3 any one, is characterized in that, described weight beam and the moulding of described intercolumniation linking beam formed by integrally casting.
7. half Retaining Wall of the side slope of banketing as described in claims 1 to 3 any one, is characterized in that, the elongated setting of longitudinal reinforcement in described epimere column and described hypomere column, respectively through described intercolumniation linking beam.
8. the job practices of half Retaining Wall of the side slope of banketing, is characterized in that, comprises the following steps,
1), construct a plurality of described reinforced concrete piles and stake top linking beam, a plurality of described reinforced concrete piles are embedded in to banket in side slope, and the alternate layout of toe of the side slope of banketing described in edge, described stake top linking beam is connected to a plurality of described reinforced concrete piles upper end;
2), in described stake linking beam upper end, top formwork, build the hypomere column of a plurality of alternate layouts, described in each, hypomere column extends upward, and has intercolumniation gap between adjacent described hypomere column;
3) in described intercolumniation gap, plug, in turn the native riser of gear, and in the dorsal part backfill of described hypomere column;
4) when, the soil body after described retaining wall is backfilled to described hypomere column top, in described hypomere column top, integral formwork support is built intercolumniation linking beam, described intercolumniation linking beam dorsal part is built a plurality of weight beams that extend towards the described side slope of banketing, between adjacent described weight beam, have gap between beam, the whole longitudinal reinforcements in described hypomere column stretch out described intercolumniation linking beam as the reserved steel bar of described epimere column;
5), on described intercolumniation linking beam, build epimere column that a plurality of and described hypomere column is corresponding to described in the Slope top of banketing, between adjacent described epimere column, there is intercolumniation gap;
6), in laying weight flat board on gap between the beam between adjacent described weight beam;
7), repeating step 3), until described in the banket height of half Retaining Wall of side slope reach designing requirement.
9. the job practices of half Retaining Wall of the side slope of banketing as claimed in claim 8, is characterized in that, in described step 1), after the linking beam of the good described stake of construction top, in described stake linking beam upper end, top, remains in advance the reinforcing bar being connected with described hypomere column.
10. the job practices of half Retaining Wall of the side slope of banketing as claimed in claim 8 or 9, is characterized in that, before described step 1), the native riser of prefabricated described gear and described weight are dull and stereotyped.
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| CN201210266459.7A CN103572775B (en) | 2012-07-30 | 2012-07-30 | The construction method of half Retaining Wall of welding with filler wire |
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| CN201210266459.7A CN103572775B (en) | 2012-07-30 | 2012-07-30 | The construction method of half Retaining Wall of welding with filler wire |
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Address after: 518026 Guangdong city of Shenzhen province Futian District Fu Road King Fook building, block 20-22 Patentee after: Shenzhen Gongkan Geotechnical Group Co., Ltd. Address before: 518026 Guangdong city of Shenzhen province Futian District Fu Road King Fook building, block 20-22 Patentee before: Shenzhen Gongkan Geotechnical Engineering Co., Ltd. |