CN214940330U - Support structure of high pile cap in mountain area steep ground - Google Patents

Abstract

The utility model discloses a bearing structure of mountain area steep high pile cap, pre-buried first pore that sets up in the upper end of high pile foundation, the second pore, wear to establish the supporting rod in the pore the first time, set up the supporting leg and upwards connect gradually off-load spare again at the both ends of supporting rod, the beam platform, the construction platform of bearing platform is formed at the top of all pile foundations at the upper surface of beam platform, construction platform can transmit the load for the beam platform in proper order, off-load spare, the supporting leg, the supporting rod, the pile foundation, whole bearing structure can provide the outrigger to the construction of bearing platform, and must not set up the operation space around the pile foundation in addition, whole bearing structure has the preparation, the installation, the construction is simple swift, energy-concerving and environment-protective, can effectively practice thrift the cost, accelerate the installation progress, later stage turnover advantages such as convenient.

Description

Support structure of high pile cap in mountain area steep ground

Technical Field

The utility model relates to a high pile cap construction technical field. More specifically, the utility model relates to a bearing structure of mountain area high pile cap steeply.

Background

In river areas or hard rocky mountain areas with high water level and large river bed erosion all the year round, bridge substructure is often designed as a high pile bearing platform for convenient construction, the steel hanging box is adopted to block water to form a dry operation environment for the former geological and hydrological environments, and the traditional construction bearing platform method is backfilling and island construction. The requirements of the construction of the hilly area steep backfill method on equipment and an operation space are high, the engineering quantity is large, the construction period is long, the assembly degree is low, the engineering quality is difficult to guarantee due to factors such as sedimentation, the original ecological environment is easy to damage, and potential safety hazards such as landslide exist.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model discloses still another purpose provides a bearing structure of mountain area steep high pile cap, the structural feature of a plurality of pile foundations of rational utilization, solve among the prior art in the mountain area steep high pile cap construction space limited, be difficult to guarantee simultaneously construction precision, be difficult to guarantee the whole technical problem who supports stability of construction platform of high pile cap between each pile foundation.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a supporting structure of a steep high pile cap in a mountainous area, including:

the supporting assembly comprises a first pore passage and a second pore passage which are horizontally arranged at the upper end of each pile foundation in a penetrating manner along the length direction of the bearing platform, the first pore passage and the second pore passage of each pile foundation are positioned in the same radial direction and are sequentially arranged from bottom to top, a supporting rod is arranged in each first pore passage in a penetrating manner, two ends of each supporting rod extend out of the corresponding first pore passage and are respectively sleeved with supporting legs, the supporting legs at two ends of each supporting rod are mutually symmetrical and are closely attached to the corresponding pile foundation, finish-rolled threaded steel bars are arranged in the second pore passages in a penetrating manner, and two ends of the finish-rolled threaded steel bars extend out of the corresponding second pore passages;

the unloading pieces are symmetrically sleeved at two ends of each finish-rolled twisted steel bar, the two ends of the finish-rolled twisted steel bars penetrate through the unloading pieces at the corresponding ends and are anchored so as to enable the unloading pieces to be attached to the corresponding pile foundations, and the bottom of each unloading piece is fixedly connected with the tops of the supporting legs at the corresponding sides;

and the beam platform is arranged around the upper ends of all pile foundations, the tops of all unloading pieces are fixedly connected with the bottom of the beam platform, and the upper surface of the beam platform forms a construction platform of the bearing platform at the tops of all pile foundations.

Preferably, the beam platform includes:

the main cross beams are arranged in parallel to the width direction of the bearing platform, two sides of all the pile foundations positioned in the same width direction of the bearing platform are respectively and jointly connected with one main cross beam, each main cross beam is respectively tightly attached to all the corresponding pile foundations, and the bottom of each main cross beam is fixedly connected with the tops of all the unloading pieces on the corresponding side;

and the distribution beams are arranged in parallel to the width direction of the bearing platform and are uniformly fixed on the upper surfaces of all the main cross beams at intervals along the width direction of the bearing platform.

Preferably, the two sides of each pile foundation in the length direction of the bearing platform are respectively and closely provided with a connection support, and two ends of each connection support are respectively and fixedly connected with the main cross beam at the corresponding end.

Preferably, the two ends of the pile foundation in the same row in the length direction of the bearing platform are also provided with joists, and the joists are fixedly connected to the bottoms of all the distribution beams in the overhanging state at the corresponding ends of the pile foundation.

Preferably, the relief member includes:

the first top plate is horizontally arranged and abutted against the side wall of the corresponding pile foundation, and the upper surface of the first top plate is fixedly connected with the bottom of the corresponding beam platform;

the first bottom plate is horizontally arranged right below the first top plate, and the bottom of the first bottom plate is fixedly connected with the top of the corresponding supporting leg;

the first side plate is connected between the first top plate and the first bottom plate, and is vertically arranged and parallel to the axial direction of the finish-rolled threaded steel bar;

the second side plate is connected and arranged between the first top plate and the first bottom plate, one end of the first top plate close to the corresponding pile foundation is connected and arranged with one end of the first top plate far away from the corresponding pile foundation, and the first side plate is vertical to the axial direction of the finish rolling threaded steel bar;

the first flitch is attached to the outer side of the second side plate far away from one end of the corresponding pile foundation;

the first stiffening plates are respectively arranged on the outer sides of the two first side plates in a connecting manner along the direction parallel to the second side plates, the upper ends of the first stiffening plates are connected with the first top plate, and the lower ends of the first stiffening plates are connected with the first bottom plate;

and the end part of the finish-rolled threaded steel bar sequentially penetrates through the two second side plates and the first flitch and then is connected with an anchoring nut.

Preferably, the support leg includes:

the second top plate is horizontally arranged and abutted against the corresponding side wall of the pile foundation, and the upper surface of the second top plate is fixedly connected with the top of the corresponding first bottom plate of the unloading piece;

the second bottom plate is horizontally arranged right below the first top plate and is abutted against the corresponding side wall of the pile foundation;

the lug plate is connected between the second top plate and the second bottom plate, and is vertically arranged and is vertical to the axial direction of the supporting rod;

the inner side and the outer side of each lug plate are respectively connected with one second flitch in a fitting manner, and the second flitch on the inner side is abutted against the corresponding side wall of the pile foundation;

the end part of the supporting rod sequentially penetrates through the second flitch on the inner side, the lug plate and the second flitch on the outer side of the corresponding end;

and the second stiffening plates are arranged on two sides of the end part of the supporting rod, the inner side of each second stiffening plate is connected with the ear plate, the upper end of each second stiffening plate is connected with the second top plate, and the lower end of each second stiffening plate is connected with the second bottom plate.

The utility model discloses at least, include following beneficial effect: the utility model discloses a bearing structure rational utilization of mountain area high pile cap's bearing structure has the structural feature of a plurality of pile foundations, pre-buried first pore that sets up in the upper end of high pile foundation, the second pore, wear to establish the supporting rod in the pore, set up the supporting leg and upwards connect gradually the off-load piece again at the both ends of supporting rod, the beam platform, the construction platform of bearing platform is formed at the top of all pile foundations at the upper surface of beam platform, the construction platform can transmit the load for the beam platform in proper order, the off-load piece, the supporting leg, the supporting rod, the pile foundation, whole bearing structure can provide stable support to the construction of bearing platform, and must not set up the operation space around the pile foundation in addition, whole bearing structure has the preparation, the installation, the construction is simple swift, energy-concerving and environment-protective, can effectively practice thrift the cost, accelerate the installation progress, later stage turnover advantages such as convenience.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a top view structural diagram of a support structure of a high pile cap in a steep mountain area of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 along line A-A;

FIG. 3 is a schematic view of the structure of FIG. 1 along the line B-B;

FIG. 4 is a front view structural diagram of an unloading member and a supporting leg according to an embodiment of the present invention;

FIG. 5 is a side view structural diagram of an unloader and support leg according to one embodiment of the present invention;

fig. 6 is a front view structural diagram of the connection supporting mechanism of one embodiment of the present invention installed on the pile foundation;

fig. 7 is a front view structural view of the linkage supporting mechanism according to an embodiment of the present invention before the supporting cylinder contacts the guiding cylinder;

fig. 8 is a front view structural view of the contact support mechanism according to an embodiment of the present invention after the support cylinder contacts the guide cylinder;

fig. 9 is a top view structural diagram of two adjacent hangers according to an embodiment of the present invention;

fig. 10 is a side view structural diagram of a positioning member according to an embodiment of the present invention.

The specification reference numbers indicate: 1. pile foundation, 2, first hole channel, 3, second hole channel, 4, supporting rod, 5, supporting leg, 6, finish-rolled threaded steel bar, 7, unloading piece, 8, beam platform, 9, main beam, 10, distribution beam, 11, connection support, 12, joist, 13, first top plate, 14, first bottom plate, 15, first side plate, 16, second side plate, 17, first patch plate, 18, first stiffener plate, 19, second top plate, 20, second bottom plate, 21, ear plate, 22, second patch plate, 23, second stiffener plate, 24, anchor nut, 25, pendant, 26, bottom support plate, 27, arc-shaped groove, 28, elastic pad, 29, U-shaped hook, 30, plug part, 31, center block, 32, rotary drum, 33, support drum, 34, circular truncated cone-shaped cavity, 35, first bevel gear, 36, positioning piece, 37, positioning groove, 38, guide drum, 39, guide groove, 40, operating rod, 41, A clamping strip 42, a second bevel gear 100 and a bearing platform.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that, in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of description, and do not indicate or imply that the device referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention, and the construction method described in the following embodiments, if not specifically described, is a conventional method, and the materials, if not specifically described, are commercially available.

As shown in fig. 1-3 and 6-8, the utility model provides a support structure for high pile cap in mountain area steeply, which comprises:

the supporting assembly comprises a first hole channel 2 and a second hole channel 3 which are horizontally arranged at the upper end of each pile foundation 1 in a penetrating manner along the length direction of the bearing platform 100, the first hole channel 2 and the second hole channel 3 of each pile foundation 1 are positioned in the same radial direction and are sequentially arranged from bottom to top, a supporting rod 4 is arranged in each first hole channel 2 in a penetrating manner, two ends of each supporting rod 4 extend out of the corresponding first hole channels 2 and are respectively sleeved with supporting legs 5, the supporting legs 5 at two ends of each supporting rod 4 are mutually symmetrical and are arranged to be clung to the corresponding pile foundations 1, finish-rolled threaded steel bars 6 are arranged in the second hole channels 3 in a penetrating manner, and two ends of each finish-rolled threaded steel bar 6 extend out of the corresponding second hole channels 3;

unloading pieces 7 are symmetrically sleeved at two ends of each finish-rolled twisted steel 6, two ends of each finish-rolled twisted steel 6 penetrate through the unloading pieces 7 at the corresponding ends and are anchored so as to enable the unloading pieces 7 to be attached to the corresponding pile foundations 1, and the bottom of each unloading piece 7 is fixedly connected with the top of the supporting leg 5 at the corresponding side;

and the beam platform 8 is arranged around the upper ends of all the pile foundations 1, the tops of all the unloading pieces 7 are fixedly connected with the bottom of the beam platform 8, and the upper surface of the beam platform 8 forms a construction platform of the bearing platform 100 at the tops of all the pile foundations 1.

When the pile foundation 1 is constructed, PVC pipes which are penetrated through along the radial direction of the pile foundation 1 are respectively embedded at the upper end of the pile foundation 1, a first pore passage 2 and a second pore passage 3 are reserved on the inner side of the PVC pipes, the first pore passage 2 is used for penetrating a supporting rod 4, the second pore passage 3 is used for penetrating a finish rolling threaded steel bar 6, the first pore passage 2 and the second pore passage 3 with corresponding diameters are arranged according to different penetrating diameters, the diameters of the first pore passage 2 and the second pore passage 3 are respectively larger than the diameters of the corresponding supporting rod 4 and the finish rolling threaded steel bar 6, all the supporting rods 4 and the finish rolling threaded steel bar 6 are parallel to the length direction of the bearing platform 100, the lengths of the two ends of each supporting rod 4 and the two ends of the pile foundation threaded steel bar 6 extending out of the 1 are equal, the supporting balance of the supporting rods 4 is ensured, supporting legs 5 are sleeved at the two ends of the supporting rods 4, the supporting legs 5 are used as a main supporting system of a subsequent construction platform, the construction load is transmitted to all the pile foundation 1, then welding an unloading part 7 on the upper surface of the supporting leg 5, respectively penetrating two ends of the finish rolling deformed bar 6 through the unloading part 7, symmetrically tensioning the finish rolling deformed bar 6, anchoring the finished rolling deformed bar through the unloading part 7, enabling the unloading part 7 to be tightly attached to the corresponding pile foundation 1, finally welding a beam platform 8 on the unloading part, forming a construction platform of the bearing platform 100 on the top of all the pile foundations 1 on the upper surface of the beam platform 8, wherein the construction platform mainly transfers the load to the beam platform 8, the unloading part 7, the supporting leg 5, the supporting rod 4 and the pile foundation 1 in sequence, the supporting rod 4 selects a steel bar material, the constructed pile foundation 1 is tightly attached through the supporting leg 5 and the unloading part 7 to ensure lateral stability, and the construction platform is taken as a supporting structure of the bearing platform 100, and the whole construction platform has the advantages of simple and rapid manufacture and construction, energy conservation and environmental protection, effective cost saving, accelerated installation progress, convenient later turnover and the like, and has good supporting stability.

In another solution, as shown in fig. 1-3, the beam platform 8 comprises:

the main cross beams 9 are arranged in parallel to the width direction of the bearing platform 100, two sides of all the pile foundations 1 positioned in the same width direction of the bearing platform 100 are respectively and jointly connected with one main cross beam 9, each main cross beam 9 is respectively tightly attached to all the corresponding pile foundations 1, and the bottom of each main cross beam 9 is fixedly connected with the top of all the unloading pieces 7 on the corresponding side;

and the distribution beams 10 are arranged in parallel to the width direction of the bearing platform 100 and are fixed on the upper surfaces of all the main cross beams 9 at regular intervals along the width direction of the bearing platform 100.

When the beam platform 8 is constructed, the main beam 9 is welded on the unloading part 7, the main beam 9 is arranged close to the pile foundation 1 for limiting, and the distribution beam 10 is welded on the main beam 9 to form an integral construction platform which is used as a direct integral stress system for the construction of the bearing platform 100.

In another technical scheme, as shown in fig. 1 to 3, two sides of each pile foundation 1 in the length direction of the bearing platform 100 are respectively provided with a contact support 11 in a close contact manner, and two ends of each contact support 11 are respectively fixedly connected with the main beam 9 at the corresponding end.

Through welding the tie beam between main beam 9, connect into whole with main beam 9, further strengthen the 8 global connections of roof beam platform, improve roof beam platform 8 support stability to form spacing, the effect of location installation to whole roof beam platform 8 around pile foundation 1.

In another technical solution, as shown in fig. 1 and 2, joists 12 are further provided at two ends of a row of pile foundations 1 located in the same length direction of the pile foundation 100, and the joists 12 are fixedly connected to the bottoms of all the distribution beams 10 located at the corresponding ends of the pile foundations 1 and in the overhanging state.

The joists 12 are welded at the bottoms of the distribution beams 10 in the overhanging state, namely the distribution beams 10 are only connected with one main cross beam 9, the other ends of the distribution beams are suspended, and the connection tightness among all the distribution beams 10 is further enhanced after the joists 12 are welded, so that all the distribution beams 10 form a firm integral stress system of the construction platform.

In another technical solution, as shown in fig. 4 to 5, the unloading member 7 includes:

the first top plate 13 is horizontally arranged and abutted against the corresponding side wall of the pile foundation 1, and the upper surface of the first top plate 13 is fixedly connected with the bottom of the corresponding beam platform 8;

the first bottom plate 14 is horizontally arranged right below the first top plate 13, and the bottom of the first bottom plate is fixedly connected with the top of the corresponding supporting leg 5;

the first side plate 15 is connected between the first top plate 13 and the first bottom plate 14, and the first side plate 15 is vertically arranged and is parallel to the axial direction of the finish-rolled threaded steel bar 6;

the second side plates 16 are connected and arranged between the first top plate 13 and the first bottom plate 14, one end of the first top plate 13 close to the corresponding pile foundation 1 and one end of the first top plate 13 far away from the corresponding pile foundation 1 are respectively connected and arranged, and the first side plates 15 are perpendicular to the axial direction of the finish-rolled threaded steel bars 6;

a first attachment plate 17 attached to the outer side of the second side plate 16 at the end far from the corresponding pile foundation 1;

the first stiffening plates 18 are respectively arranged on the outer sides of the two first side plates 15 in a direction parallel to the second side plates 16 in a connecting manner, the upper ends of the first stiffening plates 18 are connected with the first top plate 13, and the lower ends of the first stiffening plates 18 are connected with the first bottom plate 14;

the end part of the finish-rolled threaded steel bar 6 sequentially penetrates through the two second side plates 16 and the first flitch 17 and then is connected with an anchoring nut 24.

Be convenient for with main beam 9 welded fastening through setting up first roof 13, be convenient for with supporting leg 5 welded fastening through setting up first bottom plate 14, between first roof 13 and first bottom plate 14, first curb plate 15 through vertical setting, second curb plate 16 provides vertical support, further improve off-load 7 vertical support's intensity and stability through setting up first stiffener 18, be convenient for anchor nut 24 through setting up first flitch 17 and fasten on finish rolling twisted steel 6, in order to hug closely pile foundation 1 with off-load 7, second curb plate 16 and first roof 13, the edge of first bottom plate 14 has certain distance, welding space is provided for the welding between first bottom plate 14 and the supporting leg 5.

In another solution, as shown in fig. 4-5, the support leg 5 comprises:

the second top plate 19 is horizontally arranged and abutted against the corresponding side wall of the pile foundation 1, and the upper surface of the second top plate 19 is fixedly connected with the top of the corresponding first bottom plate 14 of the unloading member 7;

a second bottom plate 20 horizontally disposed right below the first top plate 13 and abutting against a corresponding sidewall of the pile foundation 1;

the lug plate 21 is connected and arranged between the second top plate 19 and the second bottom plate 20, and the lug plate 21 is vertically arranged and is perpendicular to the axial direction of the supporting rod 4;

the inner side and the outer side of the ear plate 21 of the second flitch 22 are respectively connected with one second flitch 22 in a fitting way, and the second flitch 22 at the inner side is abutted against the corresponding side wall of the pile foundation 1;

the end part of the supporting rod 4 sequentially penetrates through the second flitch 22 at the inner side of the corresponding end, the lug plate 21 and the second flitch 22 at the outer side;

and second stiffening plates 23 arranged at both sides of the end of the support rod 4, wherein the inner side of each second stiffening plate 23 is connected with the ear plate 21, the upper end of each second stiffening plate is connected with the second top plate 19, and the lower end of each second stiffening plate is connected with the second bottom plate 20.

The second top plate 19 is convenient to weld and fix with the first bottom plate 14, the ear plates 21 and the second stiffening plates 23 which are arranged between the second top plate 19 and the second bottom plate 20 are connected to form an integral supporting structure of the supporting leg 5, and the second flitch plates 22 are welded on the inner side and the outer side of the ear plates 21 penetrating out of the supporting rod 4 in a plug welding mode respectively, so that the supporting stability of the ear plates 21 on the supporting rod 4 is improved.

In another technical solution, as shown in fig. 6 to 10, a linking and supporting mechanism is further provided between two adjacent pile foundations 1 in the length direction of the same platform 100, and the linking and supporting mechanism includes:

the hanging pieces 25 are respectively arranged corresponding to one adjacent pile foundation 1, the two hanging pieces 25 are arranged in opposite directions, each hanging piece 25 comprises a bottom supporting plate 26 arranged in parallel to the length direction of the bearing platform 100, an arc-shaped groove 27 matched with the shape of the pile foundation 1 is formed in one end, close to the corresponding pile foundation 1, of each bottom supporting plate 26, an elastic cushion 28 is arranged between the bottom of each arc-shaped groove 27 and the corresponding side wall of the pile foundation 1, each arc-shaped groove 27 is abutted to the corresponding side wall of the pile foundation 1 through the corresponding elastic cushion 28, a U-shaped hook 29 with a downward opening is upwards connected and arranged on each bottom supporting plate 26, each U-shaped hook 29 is sleeved on the corresponding end portion of each finish-rolled threaded steel bar 6 on the pile foundation 1, inserting portions 30 meshed with each other are arranged at opposite ends of the two bottom supporting plates 26, and a vertically-through cylindrical hole is formed in the middle of one inserting portion 30;

the transverse supporting piece comprises a central block 31, a rotary drum 32 penetrates through the central position of the central block 31 along the length direction of the bearing platform 100, the middle part of the rotary drum 32 is rotatably connected with the central block 31 through a bearing, supporting cylinders 33 are respectively and symmetrically sleeved at two ends of the rotary drum 32, the supporting cylinders 33 are in threaded connection with the rotary drum 32, a guide piece is arranged on the inner side of one end, away from the rotary drum 32, of each supporting cylinder 33, an inverted circular truncated cone cavity 34 is formed in the lower end of the central block 31, and a first bevel gear 35 is further fixedly sleeved on one rotary drum 32 close to the central block 31;

the positioning piece 36 is fixed on the top of the central block 31, a plurality of positioning grooves 37 are arranged at intervals at the upper end of the positioning piece 36 corresponding to the distribution beam 10 along the width direction of the bearing platform 100, the width of each positioning groove 37 is consistent with that of the distribution beam 10, all the positioning grooves 37 are symmetrically distributed along the axis of the rotary drum 32, and the top of each positioning groove 37 is not higher than the top of the distribution beam 10 and is not lower than the bottom of the distribution beam 10;

the guide cylinder 38 is fixedly sleeved at the end parts of the two corresponding finish-rolled threaded steel bars 6, the inner side wall of the guide cylinder 38 is provided with a groove matched with the finish-rolled threaded steel bars 6, one end, close to the corresponding pile foundation 1, of the guide cylinder 38 is abutted against the anchoring nut 24, a guide groove 39 with the same length as the guide cylinder 38 is formed in the outer side wall of the guide cylinder 38 along the direction parallel to the axis, and the guide groove 39 is matched with a guide piece;

the operating rod 40 penetrates through the cylindrical hole, the upper end of the operating rod 40 upwards penetrates into the circular truncated cone-shaped cavity 34 and is in sliding connection with the side wall of the circular truncated cone-shaped cavity 34, a clamping hole is formed in the portion, close to the bottom supporting plate 26 downwards, of the operating rod 40, a clamping strip 41 penetrates into the clamping hole, the length of the clamping strip 41 is larger than the inner diameter of the cylindrical hole, a second bevel gear 42 is fixedly sleeved at the position, close to the bottom of the center block 31, of the upper end of the operating rod 40, and the second bevel gear 42 is in meshing transmission with the first bevel gear 35.

After the finish rolling threaded steel bars 6 are penetrated, the connection supporting mechanism is utilized to support and fix the pile foundations 1, the hanging pieces 25 are installed firstly, the U-shaped hooks 29 of the two hanging pieces 25 are respectively sleeved at the end parts of the corresponding finish rolling threaded steel bars 6, the arc-shaped grooves 27 are attached to the outer side walls of the pile foundations 1, the inserting parts 30 of the two hanging pieces 25 are oppositely arranged, one hanging piece 25 moves up and down, the two inserting parts 30 are mutually inserted and meshed, meanwhile, the bottom parts of the U-shaped hooks 29 of the two hanging pieces 25 are abutted against the end parts of the finish rolling threaded steel bars 6, the hanging pieces 25 are vertically supported through the finish rolling threaded steel bars 6, meanwhile, the arc-shaped grooves 27 are tightly abutted against the side walls of the pile foundations 1 through elastic pads 28 such as sponge pads or rubber pads, and the like, have certain extrusion force and provide certain vertical friction force for the hanging pieces 25, so that the hanging pieces 25 are firmly supported between the two corresponding pile foundations 1, therefore, two hanging pieces 25 are supported between every two adjacent pile foundations 1, the two adjacent pile foundations 1 are connected into a whole under the stress of the positions below the supporting legs 5, and the whole is used as a subsequent operating rod 40, a cross support piece and the like to provide a certain supporting effect; then, installing a cross support piece, enabling the lower end of an operating rod 40 to downwards penetrate through a cylindrical hole for positioning, rotating the whole operating rod 40 and the cross support piece to enable a positioning piece 36 on a central block 31 to be basically vertical to the degree direction of a bearing platform 100, then rotating two support cylinders 33 on a rotary drum 32 to enable the two support cylinders 33 to be far away from the rotary drum 32 and to be close to finish-rolled threaded steel bars 6 at corresponding ends until the two support cylinders are sleeved outside guide cylinders 38 outside the corresponding finish-rolled threaded steel bars 6, enabling the guide pieces to be located at inlets of guide grooves 39, enabling the positioning piece 36 to be aligned with the finish-rolled threaded steel bars 6 through the rotary drum 32 at the moment to realize accurate angle adjustment, enabling the guide grooves 39 to be consistent with horizontal positions to be set of subsequent distribution beams 10, positioning the cross-height support piece, then enabling clamping strips 41 on the operating rod 40 to penetrate into clamping holes, and enabling the lower ends of the clamping holes to be abutted against the upper surfaces of the insertion parts 30 of the hangers 25; then, the operating rod 40 is rotated below the bottom bracing plate 26, the second bevel gear 42 fixed on the operating rod 40 rotates to drive the meshed first bevel gear 35 to rotate, so that the first bevel gear 35 drives the rotating drum 32 to rotate, the two supporting drums 33 do linear motion along the guide grooves 39 under the action of the guide grooves 39 and the guide members until the two supporting drums collide against the second side plate 16, which is positioned on the outer side, of the unloading member 7 on the corresponding side to perform lateral connection supporting, the effect that the unloading member 7 is tightly attached to the pile foundation 1 is further strengthened in the lateral direction, and meanwhile, the positioning grooves 37 on the positioning members 36 facilitate the interval installation of the subsequent distribution beams 10.

A construction method of a support structure of a steep high pile cap in a mountainous area, which is shown in fig. 1 to 10, comprising the following steps:

and S1, when the pile foundation 1 is constructed, the PVC pipe is embedded, the first pore passage 2 and the second pore passage 3 are reserved at the upper end of each pile foundation 1, and preferably, when the pile foundation 1 is constructed, a plurality of rows of steel bar net sheets are symmetrically embedded below the first pore passage 2.

And S2, mounting a support rod 4 in the first duct 2, and mounting support legs 5 at two ends of the support rod 4 to be used as a main support system of the construction platform.

S3, welding unloading parts 7 at the tops of the supporting legs 5, penetrating a finish rolling deformed bar 6 in the two unloading parts 7 of each pile foundation 1 and the second pore passage 3, oppositely pulling the finish rolling deformed bars 6 and anchoring to enable the unloading parts 7 at the two ends to be tightly attached to the pile foundations 1; specifically, wear to establish behind the finish rolling twisted steel 6, utilize it is fixed to contact supporting mechanism carries out the support between pile foundation 1:

and S31, mounting the hanging pieces 25, hanging the U-shaped hooks 29 of the two hanging pieces 25 at the end parts of the corresponding finish rolling threaded steel bars 6 respectively, inserting the inserting parts 30 of the two hanging pieces 25 into each other and engaging with each other, and enabling the arc-shaped grooves 27 to abut against the side wall of the pile foundation 1 through the elastic pads 28.

S32, installing a cross support piece, enabling the lower end of the operating rod 40 to penetrate through the cylindrical hole downwards for positioning, then rotating the two supporting cylinders 33 on the rotary drum 32 to enable the two supporting cylinders 33 to be sleeved outside one guide cylinder 38, enabling the guide piece to be located at the inlet of the guide groove 39, and then enabling the clamping strip 41 on the operating rod 40 to penetrate into the clamping hole.

S33, the operating rod 40 is rotated below the bottom bracing plate 26, the second bevel gear 42 rotates to drive the meshed first bevel gear 35 to rotate, and the two bracing cylinders 33 do linear motion along the guide groove 39 until the two bracing cylinders abut against the unloading part 7 on the corresponding side to be supported in a transverse connection manner.

S4, welding main beams 9 on the unloading pieces 7, welding connection supports 11 between the main beams 9, laying distribution beams 10 on the main beams 9, limiting the distribution beams 10 in the horizontal direction by using positioning grooves 37, installing the distribution beams 10, and firmly welding the distribution beams 10 at the overhanging parts with the bottom joists 12 and the main beams 9 to form an integral stress system of the construction platform.

And S5, installing a bearing platform 100 construction template and a guardrail on the construction platform, binding 100 reinforcing steel bars of the bearing platform, and pouring 100 concrete of the bearing platform.

S6, after the concrete of the bearing platform 100 reaches the designed strength, releasing the anchoring of the finish rolling twisted steel 6, sequentially removing the template of the bearing platform 100, all the distribution beams 10, the main cross beam 9, the supporting rods 4 and the supporting legs 5 from top to bottom, and removing the connection supporting mechanism before releasing the anchoring of the finish rolling twisted steel 6.

And S7, grouting the first pore canal 2 and the second pore canal 3 of the pile foundation 1 to finish appearance restoration.

To sum up, the supporting structure and the construction method of the high pile cap in hilly areas of the utility model reasonably utilize the structural characteristics of a plurality of pile foundations, the upper end of the high pile foundation is pre-embedded with a first pore passage and a second pore passage, a supporting rod is arranged in the first pore passage, supporting legs are arranged at two ends of the supporting rod and are upwards connected with an unloading part and a beam platform in sequence, the upper surface of the beam platform forms a construction platform of the cap at the top of all the pile foundations, the construction platform can transmit the load to the beam platform, the unloading part, the supporting legs, the supporting rods and the pile foundations in sequence, the whole supporting structure can provide stable support for the construction of the cap without arranging an operation space around the pile foundations additionally, the whole supporting structure has the advantages of simple and quick manufacture, installation, simple and convenient construction, energy conservation and environmental protection, effective cost saving, accelerated installation progress, convenient later period and the like, and the supporting structure between each pile foundation is subsequently linked through the linking supporting mechanism, the stability and the compactness of the lateral support of the steep high pile cap in the mountainous area are further enhanced by the pile foundation.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims (6)

1. A bearing structure of a high pile cap in a mountain area steeply, which is characterized by comprising:

the supporting assembly comprises a first pore passage and a second pore passage which are horizontally arranged at the upper end of each pile foundation in a penetrating manner along the length direction of the bearing platform, the first pore passage and the second pore passage of each pile foundation are positioned in the same radial direction and are sequentially arranged from bottom to top, a supporting rod is arranged in each first pore passage in a penetrating manner, two ends of each supporting rod extend out of the corresponding first pore passage and are respectively sleeved with supporting legs, the supporting legs at two ends of each supporting rod are mutually symmetrical and are closely attached to the corresponding pile foundation, finish-rolled threaded steel bars are arranged in the second pore passages in a penetrating manner, and two ends of the finish-rolled threaded steel bars extend out of the corresponding second pore passages;

the unloading pieces are symmetrically sleeved at two ends of each finish-rolled twisted steel bar, the two ends of the finish-rolled twisted steel bars penetrate through the unloading pieces at the corresponding ends and are anchored so as to enable the unloading pieces to be attached to the corresponding pile foundations, and the bottom of each unloading piece is fixedly connected with the tops of the supporting legs at the corresponding sides;

and the beam platform is arranged around the upper ends of all pile foundations, the tops of all unloading pieces are fixedly connected with the bottom of the beam platform, and the upper surface of the beam platform forms a construction platform of the bearing platform at the tops of all pile foundations.

2. The support structure for the steeply elevated pile cap in the mountainous area according to claim 1, wherein the beam platform comprises:

the main cross beams are arranged in parallel to the width direction of the bearing platform, two sides of all the pile foundations positioned in the same width direction of the bearing platform are respectively and jointly connected with one main cross beam, each main cross beam is respectively tightly attached to all the corresponding pile foundations, and the bottom of each main cross beam is fixedly connected with the tops of all the unloading pieces on the corresponding side;

and the distribution beams are arranged in parallel to the width direction of the bearing platform and are uniformly fixed on the upper surfaces of all the main cross beams at intervals along the width direction of the bearing platform.

3. The supporting structure for the steep high pile cap in the mountainous area as claimed in claim 2, wherein each pile foundation is closely provided with a connection support at each side in the length direction of the cap, and each connection support is fixedly connected at both ends thereof with the main beam at the corresponding end.

4. A support structure for a steeply elevated pile cap in a mountainous area as claimed in claim 2, wherein joists are further provided at both ends of a row of the pile foundations in the same length direction of the cap, the joists being fixedly connected to the bottoms of all the distribution beams in an overhanging state at the corresponding ends of the pile foundations.

5. A supporting structure for a steeply elevated pile cap in a mountainous area according to claim 2, wherein the unloading member comprises:

the first top plate is horizontally arranged and abutted against the side wall of the corresponding pile foundation, and the upper surface of the first top plate is fixedly connected with the bottom of the corresponding beam platform;

the first bottom plate is horizontally arranged right below the first top plate, and the bottom of the first bottom plate is fixedly connected with the top of the corresponding supporting leg;

the first side plate is connected between the first top plate and the first bottom plate, and is vertically arranged and parallel to the axial direction of the finish-rolled threaded steel bar;

the second side plate is connected and arranged between the first top plate and the first bottom plate, one end of the first top plate close to the corresponding pile foundation is connected and arranged with one end of the first top plate far away from the corresponding pile foundation, and the first side plate is vertical to the axial direction of the finish rolling threaded steel bar;

the first flitch is attached to the outer side of the second side plate far away from one end of the corresponding pile foundation;

the first stiffening plates are respectively arranged on the outer sides of the two first side plates in a connecting manner along the direction parallel to the second side plates, the upper ends of the first stiffening plates are connected with the first top plate, and the lower ends of the first stiffening plates are connected with the first bottom plate;

and the end part of the finish-rolled threaded steel bar sequentially penetrates through the two second side plates and the first flitch and then is connected with an anchoring nut.

6. The support structure for the steeply elevated pile cap in the mountainous area according to claim 5, wherein the support leg comprises:

the second top plate is horizontally arranged and abutted against the corresponding side wall of the pile foundation, and the upper surface of the second top plate is fixedly connected with the top of the corresponding first bottom plate of the unloading piece;

the second bottom plate is horizontally arranged right below the first top plate and is abutted against the corresponding side wall of the pile foundation;

the lug plate is connected between the second top plate and the second bottom plate, and is vertically arranged and is vertical to the axial direction of the supporting rod;

the inner side and the outer side of each lug plate are respectively connected with one second flitch in a fitting manner, and the second flitch on the inner side is abutted against the corresponding side wall of the pile foundation;

the end part of the supporting rod sequentially penetrates through the second flitch on the inner side, the lug plate and the second flitch on the outer side of the corresponding end;

and the second stiffening plates are arranged on two sides of the end part of the supporting rod, the inner side of each second stiffening plate is connected with the ear plate, the upper end of each second stiffening plate is connected with the second top plate, and the lower end of each second stiffening plate is connected with the second bottom plate.

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