Integral binding and mounting construction method for frame beam steel bars
Technical Field
The invention belongs to the technical field of frame beam steel bar construction, and particularly relates to a frame beam steel bar integral binding and mounting construction method.
Background
At present, two methods are mainly used for frame beam reinforcement construction, wherein the first method comprises the steps of firstly supporting a beam bottom template, binding reinforcement after the beam bottom template is installed, and finally installing and fixing a beam side template; the second method is that the bottom die and the side die of the frame beam are firstly installed at one time, and then the binding, hanging and installation of the reinforcing steel bars of the frame beam are carried out.
The first construction method has the following disadvantages: the formwork worker is required to enter the field again to complete the installation of the beam side formwork after the reinforcement is finished, and meanwhile, the formwork worker is required to adjust the position of the reinforcement in a matched manner to complete the installation of the formwork, so that more technical work types are handed over during construction, and the operation is complex;
the second method has the following disadvantages: the hoisting is carried out by adopting a tower crane or other hoisting equipment, the longer die-entering process of the beam steel bars is difficult to control, the beam steel bars are often unbalanced during hoisting, one end of the beam steel bars is firstly put down, and then the other end of the beam steel bars is hoisted, so that the steel bars can collide and damage the template; secondly because hoist and mount are uneven, the frame roof beam reinforcing bar is not in place, and roof beam side reinforcing bar protective layer is difficult to guarantee.
Disclosure of Invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the frame beam steel bar integral binding and mounting construction method is provided.
In order to solve the technical problems, the invention adopts the technical scheme that: a frame beam steel bar integral binding and mounting construction method is characterized by comprising the following steps:
step one, installing a frame beam template:
installing a frame beam template at the lower part of the floor template; the frame beam template comprises a frame beam bottom template and two frame beam side templates symmetrically arranged on the frame beam bottom template, the frame beam side templates and the floor template are vertically arranged, and an inner cavity of the frame beam template is communicated with the upper part of the floor template;
step two, installing the frame beam reinforcing steel bar integral binding support:
uniformly distributing a plurality of frame beam steel bar integral binding supports on the floor formwork along the length direction of the frame beam formwork;
step three, integrally binding the frame beam steel bars on the frame beam steel bar integral binding support;
and step four, hoisting the frame beam reinforcing steel bars by using a chain block on the frame beam reinforcing steel bar integral binding support.
The integral binding and mounting construction method for the frame beam steel bars is characterized by comprising the following steps of: the method for uniformly distributing a plurality of integral binding supports of the frame beam steel bars on the floor formwork along the length direction of the frame beam formwork is the same, wherein the specific installation process of any integral binding support of the frame beam steel bars is as follows:
step 201, mounting two support frames on a floor formwork; the support frame comprises a base and a telescopic column arranged on the base, the telescopic column comprises a lower steel pipe upright and an upright with one end extending into the lower steel pipe upright, and a steel sleeve is arranged at the top of the upright;
step 202, installing two suspender mechanisms;
step 203, inserting a cross arm in the lower sleeves of the two suspender mechanisms; wherein, the cross arm is laid horizontally.
The integral binding and mounting construction method for the frame beam steel bars is characterized by comprising the following steps of: and in the third step, the whole binding of the frame beam steel bars is carried out on the whole binding bracket of the frame beam steel bars, and the concrete process is as follows:
step 301, sequentially marking a 1 st upper layer main rib position on a cross arm, wherein the ith upper layer main rib position is marked; wherein I and I are positive integers, and I is more than or equal to 1 and less than or equal to I;
step 302, penetrating I upper-layer main reinforcements in M stirrups;
step 303, sequentially recording a plurality of frame beam steel bar integral binding supports as a 1 st frame beam steel bar integral binding support according to the length direction of the frame beam template,. Multidot.j frame beam steel bar integral binding support; wherein J and J are positive integers, and J is more than or equal to 1 and less than or equal to J;
304, placing I upper-layer main reinforcements on cross arms of the J frame beam reinforcement integral binding supports; wherein, set aside between the jth frame beam reinforcing steel bar integral binding support and the jth +1 frame beam reinforcing steel bar integral binding support
A stirrup; wherein M and->
Is a positive integer;
step 305, respectively moving the I upper layer main ribs to I upper layer main rib positions; wherein, the ith upper layer main rib is arranged on the ith upper layer main rib position;
step 306, penetrating the side steel bars and the lower-layer main steel bars into the M stirrups;
307, adjusting the space between the M stirrups to meet the design requirement of the space between the stirrups;
308, binding the side steel bars and the M stirrups, and binding the lower-layer main reinforcement and the M stirrups to form a frame beam steel bar; wherein, install the side cushion on the side reinforcing bar, install the bottom cushion on lower floor's main muscle.
The integral binding and mounting construction method for the frame beam steel bars is characterized by comprising the following steps of: in the fourth step, the hand chain block on the integral binding bracket of the frame beam steel bars is utilized to hoist the frame beam steel bars, and the concrete process is as follows:
step 401, hooking a chain block on a shackle at the bottom of a lifting hook sleeve;
step 402, arranging a main pull hanging chain and two balance hanging chains on a hanging hook of a chain block;
step 403, penetrating the lower ends of the main pull sling chain and the two balance sling chains through a hoisting steel pipe; wherein the hoisting steel pipe penetrates through the frame beam steel bar;
step 404, operating the chain block to drive the frame beam steel bars to ascend by 2-3 cm through the main pull hanging chain, the two balance hanging chains and the lifting steel pipe;
step 405, dismantling cross arms in the integral binding supports for the steel bars of the frame beams;
step 405, operating the chain block to drive the frame beam reinforcing steel bars to descend into the inner cavity of the frame beam template through the main pull hanging chain, the two balance hanging chains and the lifting steel pipe to finish the lifting of the frame beam reinforcing steel bars; the bottom cushion block is attached to the frame beam bottom template, and the distance between the side face of the side cushion block and the frame beam side template is 2-3 mm.
The integral binding and mounting construction method for the frame beam steel bars is characterized by comprising the following steps of: in step 202, a suspender is installed, and the specific process is as follows:
the socket cross rod sequentially passes through a steel sleeve on one support frame, an upper sleeve of one suspender mechanism, a hook sleeve, an upper sleeve of the other suspender mechanism and a steel sleeve on the other support frame; the two ends of the socket cross rod respectively extend out of the two steel sleeves, and the suspender mechanism comprises an upper sleeve, a lower sleeve and a suspender connected between the upper sleeve and the lower sleeve.
Compared with the prior art, the invention has the following advantages:
1. the integral binding and mounting construction method for the frame beam steel bars has the advantages of simple steps, convenience in realization and simplicity and convenience in operation, and ensures that the frame beam steel bars are integrally hoisted in place.
2. The integral binding and mounting construction method for the frame beam steel bars is simple and convenient to operate and good in using effect, and firstly, the frame beam formwork is mounted; secondly, mounting a frame beam reinforcing steel bar integral binding support; and then, integrally binding the frame beam reinforcing steel bars on the integral binding support of the frame beam reinforcing steel bars, and finally hoisting the frame beam reinforcing steel bars by using a chain block on the integral binding support of the frame beam reinforcing steel bars to finish the construction of integrally binding and installing the frame beam reinforcing steel bars.
3. According to the invention, the support is arranged on the floor formwork, so that the integral binding of the reinforcing steel bars of the frame beam can be realized, the binding quality of the reinforcing steel bars is easy to control, and the reinforcing steel bars are not easy to deform in the binding process; and the tied frame beam reinforcing steel bars can be hoisted, so that the multiple times of entering and using of the hoisting machinery are avoided, and the use cost of the machinery is saved.
4. According to the invention, the hand chain block on the integral frame beam reinforcing steel bar binding support is used for hoisting, the operability of steel bar cage placement is high, the adjustment in the placement process is convenient, and the damage to the frame beam template in the installation process is avoided.
In conclusion, the method has the advantages of simple steps and reasonable design, realizes the integral binding and hoisting of the frame beam steel bars, is convenient and fast to construct and operate, ensures the integral hoisting of the frame beam steel bars, and improves the construction quality of the frame beam.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a block flow diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a structural schematic view of the frame beam reinforcing steel bar integral binding bracket.
Description of reference numerals:
1-a base; 2, arranging a steel pipe upright post; 2-1-perforation;
3, erecting a rod; 4, steel sleeve;
5, inserting a cross rod; 6-a boom mechanism;
6-1, installing a sleeve; 6-2-a boom; 6-3, casing;
7-cross arm; 8-hook sleeve; 9-chain block;
10-main pull chain; 11-balancing sling chains; 12-floor formwork;
13-frame beam sideform; 14-frame beam bottom template; 15-frame beam reinforcement;
15-1-upper layer main rib; 15-2-lower layer main reinforcement; 15-3-side reinforcement;
15-4-stirrup; and 16, hoisting the steel pipe.
Detailed Description
As shown in fig. 1 to 3, the present invention includes the steps of:
step one, installing a frame beam template:
installing a frame beam template at the lower part of the floor template 12; the frame beam template comprises a frame beam bottom template 14 and two frame beam side templates 13 symmetrically arranged on the frame beam bottom template 14, wherein the frame beam side templates 13 are vertically arranged with the floor template 12, and the inner cavity of the frame beam template is communicated with the upper part of the floor template 12;
step two, installing the frame beam reinforcing steel bar integral binding support:
a plurality of frame beam steel bar integral binding brackets are uniformly distributed on the floor formwork 12 along the length direction of the frame beam formwork;
step three, integrally binding the frame beam steel bars on the frame beam steel bar integral binding support;
and fourthly, hoisting the frame beam reinforcing steel bars by using a chain block on the frame beam reinforcing steel bar integral binding support.
In this embodiment, the method of uniformly distributing a plurality of frame beam reinforcing steel bar integral binding brackets on the floor formwork 12 along the length direction of the frame beam formwork is the same, wherein the specific installation process of any frame beam reinforcing steel bar integral binding bracket is as follows:
step 201, mounting two support frames on a floor formwork 12; the support frame comprises a base 1 and a telescopic column arranged on the base 1, the telescopic column comprises a lower steel pipe upright 2 and an upright 3, one end of the upright 3 extends into the lower steel pipe upright 2, and a steel sleeve 4 is arranged at the top of the upright 3;
step 202, installing two suspender mechanisms 6;
step 203, inserting a cross arm 7 in the lower casing 6-3 of the two suspender mechanisms 6; wherein the cross arm 7 is horizontally arranged.
In this embodiment, the whole ligature of frame roof beam reinforcing bar is carried out on the whole ligature support of frame roof beam reinforcing bar in step three, and specific process is as follows:
step 301, sequentially marking a 1 st upper layer main rib position, an ith upper layer main rib position, and an ith upper layer main rib position on a cross arm 7; wherein I and I are positive integers, and I is more than or equal to 1 and less than or equal to I;
step 302, penetrating I upper-layer main reinforcements 15-1 in M stirrups 15-4;
step 303, sequentially recording a plurality of frame beam steel bar integral binding supports as a 1 st frame beam steel bar integral binding support according to the length direction of the frame beam template,. Multidot.j frame beam steel bar integral binding support; wherein J and J are positive integers, and J is more than or equal to 1 and less than or equal to J;
304, placing the I upper-layer main reinforcements on a
cross arm 7 of the J frame beam reinforcement integral binding support; wherein, set aside between the jth frame beam reinforcing steel bar integral binding support and the jth +1 frame beam reinforcing steel bar integral binding support
15-4 of each stirrup; wherein M and->
Is a positive integer;
step 305, respectively moving the I upper layer main ribs to I upper layer main rib positions; wherein, the ith upper layer main rib is arranged on the ith upper layer main rib position;
step 306, penetrating the side steel bars 15-3 and the lower-layer main reinforcement 15-2 into M stirrups 15-4;
307, adjusting the distance between the M stirrups 15-4 to meet the design requirement of the stirrup distance;
308, binding the side steel bars 15-3 and the M stirrups 15-4, and binding the lower-layer main reinforcement 15-2 and the M stirrups 15-4 to form a frame beam steel bar 15; wherein, a side cushion block is arranged on the side steel bar 15-3, and a bottom cushion block is arranged on the lower main bar 15-2.
In this embodiment, utilize chain block on the whole ligature support of frame roof beam reinforcing bar to carry out the hoist and mount of frame roof beam reinforcing bar in step four, the concrete process is as follows:
step 401, hooking a chain block 9 on a shackle at the bottom of a lifting hook sleeve 8;
step 402, arranging a main pull sling chain 10 and two balance sling chains 11 on a lifting hook of a chain block 9;
step 403, penetrating the lower ends of the main pull sling chain 10 and the two balance sling chains 11 through a hoisting steel pipe 16; wherein the hoisting steel pipe 16 passes through the frame beam reinforcing steel bar 15;
step 404, operating the chain block 9 to drive the frame beam reinforcing steel bars 15 to ascend by 2 cm-3 cm through the main pull sling chain 10, the two balance sling chains 11 and the lifting steel pipes 16;
step 405, dismantling cross arms 7 in the integral binding supports for the steel bars of the frame beams;
step 405, operating the chain block 9 to drive the frame beam reinforcing steel bars 15 to descend into the inner cavity of the frame beam template through the main pull hanging chain 10, the two balance hanging chains 11 and the lifting steel pipes 16 to finish the lifting of the frame beam reinforcing steel bars; wherein the bottom cushion block is attached to the bottom template 14 of the frame beam, and the distance between the side surface of the side cushion block and the side template 13 of the frame beam is 2 mm-3 mm.
In this embodiment, the boom is installed in step 202, and the specific process is as follows:
the spigot-and-socket cross bar 5 sequentially passes through a steel sleeve 4 on one support frame, an upper sleeve 6-1 of one suspender mechanism 6, a hook sleeve 8, an upper sleeve 6-1 of the other suspender mechanism 6 and a steel sleeve 4 on the other support frame; two ends of the socket cross rod 5 extend out of two steel sleeves 4 respectively, and the suspender mechanism 6 comprises an upper sleeve 6-1, a lower sleeve 6-3 and a suspender 6-2 connected between the upper sleeve 6-1 and the lower sleeve 6-3.
In this embodiment, base 1 includes four angle steels that are the cross welded, and the bottom welding of lower steel tube column 2 is in the cross position of four angle steels that are the cross welded.
In this embodiment, the lower steel tube column 2 is provided with through holes 2-1 at intervals of 10cm from top to bottom, the end of the upright rod 3 extending into the lower steel tube column 2 is provided with connecting holes, and pin shafts are inserted into the connecting holes and the through holes 2-1, so as to adjust the height of the telescopic column.
In this embodiment, the interval between the integral reinforcement bracket of the jth frame beam and the integral reinforcement bracket of the jth +1 frame beam is 2 meters to 4 meters, and the interval between the brackets can be changed according to the beam section.
In this embodiment, the height of the telescopic column is adjusted to be 50-70 cm from the top of the frame beam side template 13 to the lower layer of steel bars, and the distance and the height of the support can be properly adjusted according to the beam section height and the beam steel bar design condition.
In the embodiment, the distance between the lifting point of each bracket and the bracket is 1/3 of the distance between two adjacent brackets.
In the embodiment, when the lower-layer main reinforcement 15-2 and the M stirrups 15-4 are bound, the lower-layer main reinforcement position is preset on the bottom edges of the M stirrups 15-4, so that each lower-layer main reinforcement 15-2 is moved to each lower-layer main reinforcement position, and the binding accuracy is improved.
In conclusion, the method has the advantages of simple steps and reasonable design, realizes the integral binding and hoisting of the frame beam steel bars, is convenient and fast to construct and operate, ensures the integral hoisting of the frame beam steel bars, and improves the construction quality of the frame beam.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.