CN217326704U - Variable cross-section large-section pier tower reinforcement cage segment ring splitting structure - Google Patents
Variable cross-section large-section pier tower reinforcement cage segment ring splitting structure Download PDFInfo
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- CN217326704U CN217326704U CN202123455551.1U CN202123455551U CN217326704U CN 217326704 U CN217326704 U CN 217326704U CN 202123455551 U CN202123455551 U CN 202123455551U CN 217326704 U CN217326704 U CN 217326704U
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Abstract
The utility model provides a big section mound tower steel reinforcement cage segment section of variable cross-section divides ring split structure, the high tower divides into a plurality of mound tower sections, and the mound tower section is including the inner ring steel reinforcement cage module and the outer loop steel reinforcement cage module of mutual suit, and the internal diameter of inner ring steel reinforcement cage module is less than the internal diameter of outer loop steel reinforcement cage module, and the thickness of inner ring steel reinforcement cage module is greater than the thickness of outer loop steel reinforcement cage module. By adopting the technical scheme, the construction efficiency of the steel reinforcement cage segment is improved, and the aim of saving the construction cost is fulfilled.
Description
[ technical field ] A
The utility model relates to a construction technical field especially relates to a big section mound tower steel reinforcement cage segment section divides ring split structure of variable cross section.
[ background of the invention ]
Concrete tower construction is generally divided into 4.5m or 6m sections for construction. The single segment construction content comprises steel bar installation and concrete pouring construction, wherein the high tower steel bar installation occupies 2/3 of the construction time of the tower segment. The reinforcing steel bar of the large-section high tower concrete structure is generally composed of multiple layers of main reinforcing steel bars, stirrups, hook reinforcing steel bars and U-shaped reinforcing steel bars, the weight of the whole section of reinforcing steel bar is large, and the reinforcing steel bar is of a three-dimensional space continuous change structure.
The traditional high-tower steel bar installation is high-altitude operation, the wind speed is high, the welding operation is difficult, and the high-altitude welding operation of the stirrups also influences the work efficiency of the high-tower steel bar installation; meanwhile, the main cost involved in the installation and construction of the high tower steel bars is the cost of tower crane hoisting equipment, and the cost of the tower crane hoisting equipment is mainly in positive correlation with the hoisting tonnage and the service time, so that the cost for installing the high tower steel bars is high.
At present, the installation of high tower steel bar segments comprises two methods of installation of segmented steel bars and integral hoisting of the steel bar segments. The stirrups disconnected in the installation process of the segmented steel bars still need high-altitude welding operation, and the hoisting center of gravity and the overhead hoisting posture are difficult to control due to irregular shapes of the segmented steel bars, so that the installation alignment difficulty is high, and the construction efficiency is low; the integral hoisting method for the steel bar segments has the disadvantages of large weight of the hoisted steel bar segments, high requirement on the tonnage of the tower crane and high construction cost.
[ Utility model ] A method for manufacturing a semiconductor device
To the not enough of prior art existence, the aim at of this application provides big section mound tower steel reinforcement cage segment divides ring split structure, has the work efficiency of promotion steel reinforcement cage segment construction to reach the purpose of practicing thrift construction cost.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a big section mound tower steel reinforcement cage segment section divides ring split structure of variable cross-section, a plurality of mound tower segments are divided into to the high tower, the mound tower segment is including the inner ring steel reinforcement cage module and the outer loop steel reinforcement cage module of mutual suit, the internal diameter of inner ring steel reinforcement cage module is less than the internal diameter of outer loop steel reinforcement cage module, the thickness of inner ring steel reinforcement cage module is greater than the thickness of outer loop steel reinforcement cage module.
The utility model discloses further set up to: the outer ring steel reinforcement cage module is including annular outer bed-jig, outer loop owner muscle, outer loop stirrup, outer loop hook muscle and outer loop U-shaped muscle, the outer loop owner muscle the outer loop stirrup the outer loop hook muscle with the outer loop U-shaped muscle is all assembled in the annular of outer bed-jig is inboard, the outer loop stirrup the outer loop hook muscle with the outer loop U-shaped muscle is fixed in respectively the outer loop owner muscle.
The utility model discloses further set up to: the steel reinforcement cage comprises an outer ring steel reinforcement cage module, wherein a plurality of outer ring guide tubes playing a positioning role are arranged below the inner side of the outer ring steel reinforcement cage module, a plurality of outer ring butt joint tubes used for being matched with the inner ring guide tubes of the next section are arranged above the inner side of the outer ring steel reinforcement cage module, the axial direction of each outer ring guide tube and the axial direction of each outer ring butt joint tube are on the same straight line, and the outer ring guide tubes are symmetrically distributed along the center of the outer ring steel reinforcement cage module.
The utility model discloses further set up to: the outer ring main reinforcements are arranged in parallel, and the outer ring main reinforcements are distributed in the outer ring reinforcement cage module in a multilayer annular array.
The utility model discloses further set up to: the outer ring stirrups are arranged in the outer ring main reinforcements in the radial direction, the back parts of the outer ring U-shaped reinforcements are connected with the outer ring main reinforcements on the same layer, and the arm ends of the outer ring U-shaped reinforcements are connected with the outer ring main reinforcements on different layers.
The utility model discloses further set up to: the two arm ends of outer loop U-shaped muscle extend the outer loop steel reinforcement cage module, the opening direction of outer loop U-shaped muscle is towards the center setting of outer loop steel reinforcement cage module.
The utility model discloses further set up to: the inner ring steel reinforcement cage module comprises a stiff skeleton with an annular structure, an inner ring main reinforcement, an inner ring stirrup, an inner ring hook reinforcement and an inner ring U-shaped reinforcement, wherein the inner ring main reinforcement, the inner ring stirrup, the inner ring hook reinforcement and the inner ring U-shaped reinforcement are all assembled in the stiff skeleton, and the inner ring stirrup, the inner ring hook reinforcement and the inner ring U-shaped reinforcement are respectively fixed on the inner ring main reinforcement.
The utility model discloses further set up to: the reinforced framework is close to one side lower part of the outer ring steel reinforcement cage module and is provided with a plurality of inner ring guide pipes which play a positioning role, the reinforced framework is close to one side upper part of the outer ring steel reinforcement cage module and is provided with a plurality of inner ring butt joint pipes which are used for being matched with the next section of the inner ring guide pipes, the axial direction of the inner ring guide pipes and the position between the axial directions of the inner ring butt joint pipes are on the same straight line, and the inner ring guide pipes are symmetrically distributed along the center of the outer ring steel reinforcement cage module.
The utility model discloses further set up to: the inner ring main ribs are arranged in parallel, and the inner ring main ribs are distributed in a multi-layer annular array in the stiff framework.
The utility model discloses further set up to: the inner ring hoop reinforcement is arranged in the inner ring main reinforcement along the radial direction, the back of the inner ring U-shaped reinforcement is connected with the inner ring main reinforcement on the same layer, and the arm end of the inner ring U-shaped reinforcement is connected with the inner ring main reinforcement on different layers.
The utility model discloses further set up to: the opening directions between the inner ring U-shaped ribs and the outer ring U-shaped ribs are opposite, and the arm ends corresponding to the inner ring U-shaped ribs and the outer ring U-shaped ribs one by one are connected.
The utility model discloses further set up to: the inner ring pull hook ribs and the outer ring pull hook ribs are connected and arranged in a one-to-one correspondence mode.
Compared with the prior art, the utility model discloses possess following advantage:
1. the single pier tower section is divided into the annular reinforcement cage modules which are mutually sleeved, so that the single lifting weight of the section reinforcement is reduced, and the tonnage requirement of lifting equipment is greatly reduced, so that the cost required by the lifting equipment is reduced, and the construction cost is saved;
2. the outer ring steel reinforcement cage module and the inner ring steel reinforcement cage module which are hoisted at each time are of plane symmetrical structures, the hoisting center of gravity is positioned at the geometric center of the structure, the difficulty of posture adjustment in the hoisting process is reduced, the construction progress is accelerated, and the construction efficiency is improved; meanwhile, the service time of the hoisting equipment is reduced, and the construction cost is further saved;
3. the split ring structure of the utility model does not need to split the steel bar segments, and avoids the stirrup high-altitude welding connection construction in the split net piece installation mode, so that the construction operation is simpler and more reliable, the hoisting work efficiency is improved, and the installation speed is quicker; meanwhile, welding operation is carried out in an assembly field, so that construction quality is more reliable.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a split ring structure of the present embodiment;
FIG. 2 is an enlarged view of A in FIG. 1;
fig. 3 is a schematic diagram illustrating hoisting of an outer ring reinforcement cage module according to the embodiment;
fig. 4 is a schematic diagram illustrating hoisting of the inner ring reinforcement cage module according to the embodiment.
Reference numerals: 11. the inner wall of the cable tower; 12. the outer wall of the cable tower; 2. an outer ring reinforcement cage module; 21. an outer ring main rib; 22. an outer bed-jig; 23. an outer ring stirrup; 24. an outer ring of U-shaped ribs; 3. an inner ring reinforcement cage module; 31. an inner ring main rib; 32. a stiff skeleton; 33. an inner ring stirrup; 34. an inner annular U-shaped rib; 41. an outer annular guide tube; 42. an outer ring butt joint pipe; 51. an inner ring guide tube; 52. the inner ring is butted with the pipe; 6. a connecting member.
[ detailed description ] embodiments
The present invention is further described with reference to the drawings and the exemplary embodiments, wherein like reference numerals are used to refer to like elements throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.
As shown in fig. 1 and fig. 2, the utility model discloses a big section mound tower steel reinforcement cage segment divides ring split structure of variable cross section in one aspect, the high tower divides into a plurality of mound tower segments, each section mound tower segment includes the annular steel reinforcement cage module of mutual suit, the mound tower segment includes inner ring steel reinforcement cage module 3 and outer loop steel reinforcement cage module 2 of mutual suit, the internal diameter of inner ring steel reinforcement cage module 3 is less than the internal diameter of outer loop steel reinforcement cage module 2, the thickness of inner ring steel reinforcement cage module 3 is greater than the thickness of outer loop steel reinforcement cage module 2, and then reduce the weight that a section reinforcing bar single was lifted by crane, reduce the tonnage requirement of lifting equipment by a wide margin, thereby reduce the cost that the lifting equipment needs to spend, practiced thrift construction cost; meanwhile, the difficulty in adjusting the hoisting attitude in the air is reduced, the construction progress is accelerated, and the construction efficiency is improved.
The outer ring steel reinforcement cage module 2 comprises an outer tire frame 22, an outer ring main reinforcement 21, an outer ring stirrup 23, an outer ring hook rib and an outer ring U-shaped reinforcement 24, wherein the outer ring main reinforcement 21, the outer ring stirrup 23, the outer ring hook rib and the outer ring U-shaped reinforcement 24 are all assembled on the inner side of the ring of the outer tire frame 22, and the outer ring stirrup 23, the outer ring hook rib and the outer ring U-shaped reinforcement 24 are respectively fixed on the outer ring main reinforcement 21.
Optionally, the shape of the outer tire frame 22 may be adjusted according to the shape of the reinforcement cage segment to adapt to different reinforcement cage modules, the outer ring main reinforcements 21 are arranged in parallel, and the outer ring main reinforcements 21 are distributed in the outer ring reinforcement cage module 2 in a multi-layer annular array. The outer ring stirrups 23 are arranged in the outer ring main ribs 21 in the radial direction, the back parts of the outer ring U-shaped ribs 24 are connected with the outer ring main ribs 21 on the same layer, and the arm ends of the outer ring U-shaped ribs 24 are connected with the outer ring main ribs 21 on different layers. Two arm ends of the outer ring U-shaped rib 24 extend out of the outer ring steel reinforcement cage module 2, and the opening direction of the outer ring U-shaped rib 24 is arranged towards the center of the outer ring steel reinforcement cage module 2.
Specifically, the formation of cover tire frame 22 is cyclic annular setting, and outer bed-jig 22 is located the periphery of cable tower outer wall 12, is convenient for to the recycle of outer bed-jig 22 for outer bed-jig 22 can be dismantled and be used for assembling to the outer loop steel reinforcement cage module 2 of next mound tower segment, can regard as the load-carrying members of next mound tower segment, and the equipment of being convenient for lift by crane lifts by crane to mound tower segment.
The array layer number of the outer ring main ribs 21 is set to be at least two layers, the spacing distance between the outer ring main ribs 21 on the same layer is equal, the outer ring main ribs 21 on different layers are respectively arranged in a one-to-one correspondence mode, and the construction quality is guaranteed to be safer and more reliable. A plurality of outer loop stirrups 23 weld in each outer loop owner muscle 21, and parallel arrangement sets up between a plurality of outer loop stirrups 23, and the shape of outer loop stirrups 23 is cyclic annular setting, and a plurality of outer loop stirrups 23 are used for the interval between the outer loop owner muscle 21 of stabilizing, play the outer loop owner muscle 21 of the same layer of connection, promote the shear strength between the outer loop owner muscle 21.
The back of the outer ring U-shaped rib 24 is welded in one layer of outer ring main ribs 21 close to the outer tire frame 22, the back of each outer ring U-shaped rib 24 at least comprises four outer ring main ribs 21, the plurality of outer ring U-shaped ribs 24 are arranged in parallel, and two arm ends of the outer ring U-shaped ribs 24 are respectively welded in the outer ring main ribs 21 on different layers.
Optionally, a plurality of outer ring guide tubes 41 for positioning are arranged below the inner side of the outer ring steel reinforcement cage module 2, a plurality of outer ring butt joint tubes 42 for matching with the next section of outer ring guide tube 41 are arranged above the inner side of the outer ring steel reinforcement cage module 2, positions between the axial direction of the outer ring guide tubes 41 and the axial direction of the outer ring butt joint tubes 42 are on the same straight line, and the plurality of outer ring guide tubes 41 are symmetrically distributed along the center of the outer ring steel reinforcement cage module 2.
Specifically, the number of the outer ring guide tubes 41 on the inner side of the outer ring steel reinforcement cage module 2 is set to be at least four, and the four outer ring guide tubes 41 are respectively distributed around the outer ring steel reinforcement cage module 2, so that the four outer ring guide tubes 41 jointly play a role in circumferential limiting on the outer ring steel reinforcement cage module 2. Establish to vertical setting for the axial direction of outer loop stand pipe 41, the external diameter of outer loop stand pipe 41 is less than the external diameter of outer loop butt joint pipe 42, the first sharp head end of lower extreme fixedly connected with of outer loop stand pipe 41, align the setting between the bottom of first sharp head end and the bottom of outer loop steel reinforcement cage module 2, the external diameter of first sharp head end is from last to dwindling the setting gradually down, so that outer loop stand pipe 41 inserts among the outer loop butt joint pipe 42 of supreme section, play the positioning action to transferring of outer loop steel reinforcement cage module 2.
The inner ring steel reinforcement cage module 3 comprises a stiff skeleton 32 with an annular structure, an inner ring main reinforcement 31, an inner ring stirrup 33, an inner ring hook rib and an inner ring U-shaped reinforcement 34, wherein the inner ring main reinforcement 31, the inner ring stirrup 33, the inner ring hook rib and the inner ring U-shaped reinforcement 34 are all assembled in the stiff skeleton 32, and the inner ring stirrup 33, the inner ring hook rib and the inner ring U-shaped reinforcement 34 are respectively fixed on the inner ring main reinforcement 31.
Optionally, the inner side shape of the stiff framework 32 is adjusted according to the different shapes of the inner walls 11 of the cable towers to adapt to the steel reinforcement cage modules and the inner walls 11 of the cable towers, the inner ring main ribs 31 are arranged in parallel, the inner ring main ribs 31 are distributed in the stiff framework 32 in a multi-layer annular array, the inner ring stirrups 33 are radially arranged in the inner ring main ribs 31, the back parts of the inner ring U-shaped ribs 34 are connected with the inner ring main ribs 31 in the same layer, and the arm ends of the inner ring U-shaped ribs 34 are connected with the inner ring main ribs 31 in different layers.
In the present embodiment, the stiffening rib 32 is disposed in an outer circle and an inner circle, the inner side of the stiffening rib 32 is attached to the inner wall 11 of the cable tower, and the axial direction of the stiffening rib 32 is the same as the axial direction of the inner ring main rib 31. The number of the array layers of the inner ring main ribs 31 is three, and the inner ring main ribs include a first ring layer, a second ring layer and a third ring layer, the first ring layer is arranged on the inner side of the stiff skeleton 32, the third ring layer is arranged on the outer side of the stiff skeleton 32, and the second ring layer is arranged between the outer side and the inner side of the stiff skeleton 32. The interval distance between the inner ring owner muscle 31 of one deck is equal setting, the interval distance between the inner ring owner muscle 31 of different floors is inconsistent, wherein, interval distance is less than interval distance between the main muscle of second ring layer between the main muscle of first ring layer, interval distance equals the setting with interval distance between the main muscle of third ring layer between the main muscle of first ring layer, that is to say, the main muscle quantity on second ring layer is for first ring layer, the main muscle quantity distribution on third ring layer is less, and then the weight of inner ring steel reinforcement cage module 3 has been reduced, be convenient for hoisting equipment hoist and mount inner ring steel reinforcement cage module 3, practice thrift construction cost.
In another embodiment, the number of the array layers of the inner ring main ribs 31 is set to be at least one, the inner ring main ribs 31 are uniformly distributed on the inner ring of the stiff skeleton 32 at intervals, and further the plane symmetrical structure of the inner ring steel reinforcement cage module 3 is kept, so that the hoisting center of gravity is positioned at the geometric center of the structure, the difficulty in adjusting the posture in the hoisting air is reduced, the construction progress is accelerated, and the construction efficiency is improved; meanwhile, the hoisting weight of the single inner ring steel reinforcement cage module 3 is reduced, and the construction cost is saved.
Meanwhile, the inner ring stirrups 33 are welded in the inner ring main reinforcements 31 of each layer, the inner ring main reinforcements 31 are arranged horizontally and in parallel, the inner ring stirrups 33 are arranged annularly, and the inner ring stirrups 33 are used for stabilizing the space between the inner ring main reinforcements 31, so that the inner ring main reinforcements 31 of the same layer are connected, and the shearing strength between the inner ring main reinforcements 31 is improved.
The back of the inner ring U-shaped rib 34 is welded in the main rib of the first ring layer, the back of each outer ring U-shaped rib 24 at least comprises four main ribs, the plurality of inner ring U-shaped ribs 34 are horizontally arranged in parallel, two arm ends of the inner ring U-shaped ribs 34 are respectively welded in the main ribs of different layers, the stability between the main ribs in the inner ring steel reinforcement cage module 3 is improved, and the shearing strength of the inner ring steel reinforcement cage module 3 is improved. The opening direction between inner ring U-shaped muscle 34 and the outer loop U-shaped muscle 24 sets up relatively, and the one-to-one correspondence arm end is connected and is set up between inner ring U-shaped muscle 34 and the outer loop U-shaped muscle 24, and then links outer loop steel reinforcement cage module 2 and inner ring steel reinforcement cage module 3 together, ensures the stability of the steel reinforcement cage festival section of construction.
Optionally, a plurality of inner ring guide tubes 51 for positioning are arranged below one side of the stiff framework 32 close to the outer ring steel reinforcement cage module 2, a plurality of inner ring butt joint tubes 52 for matching with the inner ring guide tubes 51 are arranged above one side of the stiff framework 32 close to the outer ring steel reinforcement cage module 2, positions between an axial direction of the inner ring guide tubes 51 and an axial direction of the inner ring butt joint tubes 52 are on the same straight line, and the plurality of inner ring guide tubes 51 are symmetrically distributed along the center of the outer ring steel reinforcement cage module 2.
Specifically, the number of the inner ring guide tubes 51 on the inner side of the outer ring steel reinforcement cage module 2 is set to be at least four, and the four inner ring guide tubes 51 are respectively distributed around the stiff skeleton 32, so that the four inner ring guide tubes 51 jointly play a role in circumferential limiting on the inner ring steel reinforcement cage module 3. The axial direction of inner ring stand pipe 51 establishes to vertical setting, the external diameter of inner ring stand pipe 51 is less than the internal diameter of inner ring butt joint pipe 52, the lower extreme fixedly connected with second point head end of inner ring stand pipe 51, the level aligns the setting between the bottom of second point head end and the bottom of strength nature skeleton 32, the external diameter of second point head end reduces the setting from top to bottom gradually, so that during inner ring stand pipe 51 inserted the inner ring butt joint pipe 52 of supreme section, play the positioning action to transferring of inner ring steel reinforcement cage module 3.
Optionally, the one-to-one arm ends between the inner ring hook rib and the outer ring hook rib are connected, one end of the inner ring hook rib is tied in the inner ring main rib 31, one end of the outer ring hook rib is tied in the outer ring main rib 21, the other end of the inner ring hook rib is connected with the other end of the corresponding outer ring hook rib, and then the inner ring steel reinforcement cage module 3 and the outer ring steel reinforcement cage of the same section are folded into a whole, so that the stability of the steel reinforcement cage section is improved.
Optionally, the top ends of the inner ring main rib 31 and the outer ring main rib 21 are respectively and fixedly connected with a connecting piece 6 playing a role in positioning, the connecting piece 6 is selected as a taper sleeve connector, the main rib of the section is connected with the main rib of the previous section, the pier tower sections of the upper section and the lower section are connected, and the stability of the pier tower is improved.
As shown in fig. 3 and 4, in another aspect, a split ring sleeving construction method for a variable cross-section large-section pier tower reinforcement cage segment is provided, which includes the steps of:
s1, assembling the outer tire frame 22 and the stiff skeleton 32 of each pier-tower segment respectively;
s2, assembling the segment outer ring steel bars by taking the outer jig frame 22 as a template to form an outer ring steel bar cage module 2;
s3, splicing the segment inner ring steel bars by taking the stiff skeleton 32 as a template to form an inner ring steel bar cage module 3;
and S4, respectively hoisting the outer ring reinforcement cage module 2 and the inner ring reinforcement cage module 3 to the pier tower for installation.
Optionally, in S2, assembling the segmented outer ring steel bars in the outer jig 22 to form the outer ring steel bar cage module 2, the specific steps include:
a plurality of layers of outer ring main ribs 21 arranged in an annular array are distributed along the inner side of the outer tire frame 22, and a plurality of layers of outer ring stirrups 23 arranged in parallel are arranged along the radial direction of the outer ring main ribs 21;
the outer ring U-shaped ribs 24 are used for connecting the plurality of layers of outer ring main ribs 21, and the outer ring pull hook ribs are tied in the outer ring main ribs 21 close to the outer tire frame 22.
Specifically, after assembling the outer tire frame 22, a constructor utilizes a reinforcement cage seam welder to weld and connect the outer ring main reinforcement 21 and the outer ring stirrup 23, the outer ring stirrup 23 is used for connecting the main reinforcements on the same layer and stabilizing the distance between the main reinforcements, and compared with the existing installation mode of the sub-net piece, the installation mode of the stirrup after assembling the net piece in the later period is not needed, the installation of the stirrup can be completed through automatic equipment in advance, and the time required by construction is saved. The formed reinforcement cage segments are respectively arranged in the surrounding of the outer jig frame 22, the back of the outer ring U-shaped rib 24 is welded with the main ribs on the same layer, the inner sides of the two arm ends of the outer ring U-shaped rib 24 are respectively welded with the main ribs on different layers, the main ribs on different layers are surrounded in the outer ring U-shaped rib 24, and the main ribs on different layers are mutually connected through the outer ring U-shaped rib 24. Wherein, one end of the outer ring hook pulling bar is tied in the outer ring main bar 21 close to the outer tire frame 22, and the other end of the outer ring hook pulling bar is arranged in an air suspension way.
Optionally, in S3, assembling the segmented inner ring reinforcements in the stiff skeleton 32 to form the inner ring reinforcement cage module 3, the specific steps include:
a plurality of layers of inner ring main reinforcements 31 arranged in an annular array are arranged in the stiff framework 32, and a plurality of layers of inner ring stirrups 33 arranged in parallel are arranged along the radial direction of the outer ring main reinforcements 21;
the inner ring U-shaped rib 34 is adopted to connect the multi-layer inner ring main rib 31, and the inner ring pulling rib is tied in the outer ring main rib 21.
Specifically, after the stiff skeleton 32 is assembled, a constructor utilizes a reinforcement cage seam welder to weld the inner ring main reinforcements 31 and the inner ring stirrups 33, the inner ring stirrups 33 are used for connecting the main reinforcements on the same layer and stabilizing the distance between the main reinforcements, and compared with the existing installation mode of the sub-net piece, the constructor does not need to install the stirrups after assembling the net piece in the later period, can complete the installation of the stirrups through automatic equipment in advance, and saves the time required by construction. The formed steel reinforcement cage segments are respectively arranged in the stiff frameworks 32, the formed steel reinforcement cage segments are connected with the stiff frameworks 32 in a welding mode from top to bottom, and supporting pieces which play a supporting role for the formed steel reinforcement cage segments are arranged in the stiff frameworks 32.
The back of the inner ring U-shaped rib 34 is welded with the main ribs on the same layer, the inner sides of the two arm ends of the inner ring U-shaped rib 34 are respectively welded with the main ribs on different layers, the main ribs on different layers are surrounded in the inner ring U-shaped rib 34, and the main ribs on different layers are mutually connected through the inner ring U-shaped rib 34. Wherein, the other end of the inner ring hook rib is arranged in an air suspension way.
Optionally, in S4, the outer ring steel reinforcement cage module 2 and the inner ring steel reinforcement cage module 3 are hoisted to the pier tower for installation, and the specific steps include:
when the shape of the pier tower segment is a structure with a small upper part and a large lower part, the inner ring steel reinforcement cage module 3 is hoisted to the pier tower to be butted with the constructed pier tower segment, the inner ring steel reinforcement cage module 3 is arranged in alignment with the inner ring butt joint pipe 52 of the previous segment through the inner ring guide pipe 51, the inner ring guide pipe 51 is inserted into the inner ring butt joint pipe 52 of the previous segment, the inner ring steel reinforcement cage module 3 is limited circumferentially, the connecting piece 6 of the inner ring main rib 31 is connected with the connecting piece 6 of the previous segment, and the connection between the inner ring steel reinforcement cage module 3 and the previous pier tower is realized. And then, welding a reinforcing stirrup between the inner ring main reinforcement 31 and the connecting piece 6 of the previous section, so that the connection between the inner ring steel reinforcement cage module 3 and the previous pier tower is more compact and reliable.
After hoist outer loop steel reinforcement cage module 2 and pier tower department with the pier tower segment butt joint of having under construction, outer loop steel reinforcement cage module 2 sets up through outer loop stand pipe 41 and the outer loop of last segment butt joint pipe 42 is aligned, outer loop stand pipe 41 inserts among the outer loop of last segment butt joint pipe 42, play circumference limiting displacement to outer loop steel reinforcement cage module 2, make connecting piece 6 of outer loop main reinforcement 21 be connected with the connecting piece 6 of last segment, realize being connected between outer loop steel reinforcement cage module 2 and the last pier tower. Then, a reinforcing rib is welded between the outer ring main rib 21 and the connecting piece 6 of the previous section, so that the connection between the outer ring steel reinforcement cage module 2 and the previous pier tower is more compact and reliable.
The hoisting equipment adopted by the hoisting is selected as a tower crane, the hoisting tonnage of the tower crane can be determined according to actual conditions, the tower crane comprises a bearing beam, a steel wire rope and an electric hoist, the connection points of the steel wire rope and the electric hoist are respectively arranged on the periphery of the inner ring steel reinforcement cage module 3 and the outer ring steel reinforcement cage module 2, and the connection points are respectively symmetrically distributed about the centers of the inner ring steel reinforcement cage module 3 and the outer ring steel reinforcement cage module 2, so that the hoisting of the inner ring steel reinforcement cage module 3 or the outer ring steel reinforcement cage module 2 is more stable, and a constructor can easily adjust the hoisting posture of the inner ring steel reinforcement cage module 3 or the outer ring steel reinforcement cage module 2; meanwhile, the outer ring reinforcement cage module 2 is sleeved in the inner ring reinforcement cage module 3.
Optionally, in S4, the outer ring steel reinforcement cage module 2 and the inner ring steel reinforcement cage module 3 are hoisted to the pier tower for installation, and the specific steps include:
when the shape of mound tower segment is big-end-up's structure, hoist outer loop steel reinforcement cage module 2 earlier and locate to dock with last segment to mound tower, outer loop steel reinforcement cage module 2 sets up through outer loop stand pipe 41 and the outer loop of last segment butt joint pipe 42 is relative to each other, outer loop stand pipe 41 inserts among the outer loop of last segment butt joint pipe 42, play circumference limiting displacement to outer loop steel reinforcement cage module 2, make connecting piece 6 of outer loop main reinforcement 21 be connected with the connecting piece 6 of last segment, realize being connected between outer loop steel reinforcement cage module 2 and the last mound tower. And then, welding a reinforcing rib between the outer ring main rib 21 and the connecting piece 6 of the previous section, so that the connection between the outer ring steel reinforcement cage module 2 and the previous pier tower is more compact and reliable.
And the inner ring steel reinforcement cage module 3 is hoisted to the pier tower and is butted with the previous section, the inner ring steel reinforcement cage module 3 is arranged in alignment with the inner ring butt joint pipe 52 of the previous section through the inner ring guide pipe 51, the inner ring guide pipe 51 is inserted into the inner ring butt joint pipe 52 of the previous section, and the inner ring steel reinforcement cage module 3 is circumferentially limited, so that the connecting piece 6 of the inner ring main reinforcement 31 is connected with the connecting piece 6 of the previous section, and the connection between the inner ring steel reinforcement cage module 3 and the previous pier tower is realized. And then, welding a reinforcing stirrup between the inner ring main reinforcement 31 and the connecting piece 6 of the previous section, so that the connection between the inner ring steel reinforcement cage module 3 and the previous pier tower is more compact and reliable.
The hoisting equipment adopted by the hoisting is selected as a tower crane, the hoisting tonnage of the tower crane can be determined according to actual conditions, the tower crane comprises a bearing beam, a steel wire rope and an electric hoist, the connection points of the steel wire rope and the electric hoist are respectively arranged on the peripheries of the inner ring steel reinforcement cage module 3 and the outer ring steel reinforcement cage module 2, and the connection points are respectively and symmetrically distributed about the centers of the inner ring steel reinforcement cage module 3 and the outer ring steel reinforcement cage module 2, so that the hoisting of the inner ring steel reinforcement cage module 3 or the outer ring steel reinforcement cage module 2 is more stable, and a constructor can easily adjust the hoisting posture of the inner ring steel reinforcement cage module 3 or the outer ring steel reinforcement cage module 2; meanwhile, the inner ring reinforcement cage module 3 is inserted into the outer ring reinforcement cage module 2.
Optionally, in S4, the outer ring steel reinforcement cage module 2 and the inner ring steel reinforcement cage module 3 are hoisted to the pier tower for installation, and the specific steps include:
after outer loop steel reinforcement cage module 2 and inner ring steel reinforcement cage module 3 both installed to take one's place, with outer loop U-shaped muscle 24 two arm ends respectively with the 34 two arm ends of inner ring U-shaped muscle between welded connection, again with outer loop hook rib and inner ring hook rib ligature mutually for outer loop steel reinforcement cage module 2 and inner ring steel reinforcement cage module 3 are connected and are become a steel reinforcement cage festival section, the interior personnel's that advance condition in the main part of this steel reinforcement cage festival section, the constructor's of being convenient for follow-up construction operation.
Optionally, before the outer ring hook rib and the inner ring hook rib are connected, the subsequent outer ring main rib 21 and the subsequent inner ring main rib 31 are respectively installed in the outer ring steel reinforcement cage module 2 and the inner ring steel reinforcement cage module 3. The subsequent main ribs can be lifted by a single or a plurality of main ribs at a time, the number of the main ribs lifted by one time can be correspondingly adjusted according to actual conditions, and the subsequent main ribs are manually positioned, adjusted, installed and fixed.
Exemplarily, in the inner ring steel reinforcement cage module 3, constructors gradually hoist the main reinforcement to the second ring layer, so that the number of the main reinforcement of the second ring layer is equal to the number of the main reinforcement of the first ring layer, the defect that the main reinforcement of the second ring layer is sparsely arranged is overcome, and the construction quality of the pier tower is guaranteed.
After the outer ring steel reinforcement cage modules 2 and the inner ring steel reinforcement cage modules 3 are connected to form a pier tower section, the outer tire frame 22 is detached from the outer ring steel reinforcement cage modules 2 to an assembly site for continuous use, and the outer tire frame 22 is arranged on the periphery of the outer wall 12 of the cable tower, so that constructors can detach the outer tire frame 22 from the outer ring steel reinforcement cage modules 2 conveniently, and the detachment efficiency of the outer tire frame 22 is improved; meanwhile, the assembly cost of the outer ring reinforcement cage module 2 is reduced, the outer tire frame 22 does not need to be assembled additionally, and the cyclic utilization of the outer tire frame 22 is realized.
And finally, mounting an auxiliary structure of the reinforcement cage in the pier tower segment, such as the sounding pipe, wherein the mounting mode can refer to the subsequent main reinforcement, and the mounting mode can be determined according to the actual situation, so that all the mounting work of the pier tower reinforcement cage is completed.
In conclusion, the variable cross-section large-section pier tower steel reinforcement cage segment ring splitting structure provided by the application has the following beneficial effects:
in the existing integral hoisting structure of the steel bar segment, the weight of a single steel bar cage segment is 57.1 tons, the weight of the stiff skeleton 32 is 16.3 tons, and the weight of the lifting appliance is 7.2 tons, so that the weight of a single hoisting is at least 80.6 tons. After the split ring structure is adopted, the weight of the inner ring steel reinforcement cage module 3 is 26.9 tons, the weight of the stiff skeleton 32 is 16.3 tons, the weight of the outer ring steel reinforcement cage module 2 is 30.2 tons, the weight of the outer tire frame 22 is 15.6 tons, and the weight of a lifting appliance is 7.2 tons, and when the outer ring steel reinforcement cage module 2 is lifted, the single lifting weight is 50.4 tons; the single hoisting weight for hoisting the inner ring reinforcement cage module 3 is 53 tons. That is to say, adopt the utility model discloses a single behind the divide ring split structure lifts by crane the weight and is about 2/3 of whole weight of lifting by crane, reduces and lifts by crane equipment tonnage requirement, practices thrift construction cost.
Compared with the net piece dividing installation structure, the stirrups are assembled in the assembling field, and the stirrups do not need to be welded and connected after the net pieces are assembled, so that the construction time required by the installation of the steel reinforcement cage sections is greatly shortened, and compared with the existing net piece dividing installation method, each steel reinforcement cage section can be completed only by twice hoisting, the hoisting times of a single steel reinforcement cage section are reduced, the use time required by hoisting equipment is shortened, and the construction cost is saved; meanwhile, aerial work in the installation process of the steel reinforcement cage sections is avoided, the installation quality is more reliable, and the safety risk in the construction process is reduced.
Some exemplary embodiments of the present invention will be appreciated by those skilled in the art that changes may be made in these exemplary embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (12)
1. The utility model provides a big section mound tower steel reinforcement cage segment of variable cross-section divides ring split structure which characterized in that: the high tower is divided into a plurality of pier tower sections, the pier tower sections include inner ring steel reinforcement cage module and outer loop steel reinforcement cage module of mutual suit, the internal diameter of inner ring steel reinforcement cage module is less than the internal diameter of outer loop steel reinforcement cage module, the thickness of inner ring steel reinforcement cage module is greater than the thickness of outer loop steel reinforcement cage module.
2. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure as claimed in claim 1, wherein: the outer ring steel reinforcement cage module comprises an annular outer jig frame, an outer ring main reinforcement, an outer ring hoop reinforcement, an outer ring hook reinforcement and an outer ring U-shaped reinforcement, wherein the outer ring main reinforcement, the outer ring hoop reinforcement, the outer ring hook reinforcement and the outer ring U-shaped reinforcement are all assembled on the annular inner side of the outer jig frame, and the outer ring hoop reinforcement, the outer ring hook reinforcement and the outer ring U-shaped reinforcement are respectively fixed on the outer ring main reinforcement.
3. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure as claimed in claim 2, wherein: the outer ring steel reinforcement cage module is characterized in that a plurality of outer ring guide pipes which play a positioning role are arranged below the inner side of the outer ring steel reinforcement cage module, a plurality of outer ring butt joint pipes which are used for being matched with the outer ring guide pipes of the next section are arranged above the inner side of the outer ring steel reinforcement cage module, the axial direction of each outer ring guide pipe and the axial direction of each outer ring butt joint pipe are on the same straight line, and the outer ring guide pipes are symmetrically distributed along the center of the outer ring steel reinforcement cage module.
4. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure as claimed in claim 3, wherein: the outer ring main reinforcements are arranged in parallel, and the outer ring main reinforcements are distributed in the outer ring reinforcement cage module in a multilayer annular array.
5. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure as claimed in claim 4, wherein: the outer ring stirrups are arranged in the outer ring main reinforcements in the radial direction, the back parts of the outer ring U-shaped reinforcements are connected with the outer ring main reinforcements on the same layer, and the arm ends of the outer ring U-shaped reinforcements are connected with the outer ring main reinforcements on different layers.
6. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure as claimed in claim 5, wherein: the two arm ends of the outer ring U-shaped rib extend out of the outer ring steel reinforcement cage module, and the opening direction of the outer ring U-shaped rib faces towards the center of the outer ring steel reinforcement cage module.
7. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure of claim 5, which is characterized in that: the inner ring steel reinforcement cage module comprises a stiff skeleton with an annular structure, an inner ring main reinforcement, an inner ring stirrup, an inner ring hook reinforcement and an inner ring U-shaped reinforcement, wherein the inner ring main reinforcement, the inner ring stirrup, the inner ring hook reinforcement and the inner ring U-shaped reinforcement are all assembled in the stiff skeleton, and the inner ring stirrup, the inner ring hook reinforcement and the inner ring U-shaped reinforcement are respectively fixed on the inner ring main reinforcement.
8. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure of claim 7, which is characterized in that: the reinforced framework is provided with a plurality of inner ring guide pipes playing a role in positioning below one side close to the outer ring steel reinforcement cage module, a plurality of inner ring butt joint pipes used for being matched with the inner ring guide pipes of the next section are arranged above one side close to the outer ring steel reinforcement cage module, the axial direction of each inner ring guide pipe and the axial direction of each inner ring butt joint pipe are located on the same straight line, and the inner ring guide pipes are symmetrically distributed along the center of the outer ring steel reinforcement cage module.
9. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure of claim 8, which is characterized in that: the inner ring main ribs are arranged in parallel, and the inner ring main ribs are distributed in a multi-layer annular array in the stiff framework.
10. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure of claim 9, which is characterized in that: the inner ring stirrups are arranged in the inner ring main reinforcements along the radial direction, the back parts of the inner ring U-shaped reinforcements are connected with the inner ring main reinforcements on the same layer, and the arm ends of the inner ring U-shaped reinforcements are connected with the inner ring main reinforcements on different layers.
11. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure of claim 10, which is characterized in that: the opening directions between the inner ring U-shaped ribs and the outer ring U-shaped ribs are opposite, and the arm ends corresponding to the inner ring U-shaped ribs and the outer ring U-shaped ribs one by one are connected.
12. The variable cross-section large-section pier tower reinforcement cage segment ring splitting structure of claim 11, wherein: the inner ring pull hook ribs and the outer ring pull hook ribs are connected and arranged in a one-to-one correspondence mode.
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| CN114351594A (en) * | 2021-12-31 | 2022-04-15 | 中交路桥华南工程有限公司 | Variable cross-section large-section pier tower reinforcement cage segment ring splitting structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351594A (en) * | 2021-12-31 | 2022-04-15 | 中交路桥华南工程有限公司 | Variable cross-section large-section pier tower reinforcement cage segment ring splitting structure |
| CN114351594B (en) * | 2021-12-31 | 2023-03-10 | 中交路桥华南工程有限公司 | Variable cross-section large-section pier tower reinforcement cage segment ring-dividing splitting structure |
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