CN105525625A - Construction method and device of pre-embedded bolts of fixed steel column base - Google Patents

Construction method and device of pre-embedded bolts of fixed steel column base Download PDF

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Publication number
CN105525625A
CN105525625A CN201610035616.1A CN201610035616A CN105525625A CN 105525625 A CN105525625 A CN 105525625A CN 201610035616 A CN201610035616 A CN 201610035616A CN 105525625 A CN105525625 A CN 105525625A
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CN
China
Prior art keywords
embedded bolt
steel plate
plate frame
bolt
construction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610035616.1A
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Chinese (zh)
Inventor
王道新
王建军
孙运胜
李军伟
全有维
沈兴东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Original Assignee
Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd filed Critical Third Construction Co Ltd of China Construction Eighth Engineering Divison Co Ltd
Priority to CN201610035616.1A priority Critical patent/CN105525625A/en
Publication of CN105525625A publication Critical patent/CN105525625A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00Foundations as substructures
    • E02D27/32Foundations for special purposes
    • E02D27/42Foundations for poles, masts or chimneys
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2463Connections to foundations

Abstract

The invention discloses a construction method and device of pre-embedded bolts of a fixed steel column base, wherein the method comprises the steps of being familiar with construction drawings, fabricating steel plate frame dies, installing foundation supports and pre-embedded bolts, installing and positioning the steel plate frame dies, fixing the foundation supports, protecting the pre-embedded bolts, as well as carrying out working procedure inspection and acceptance and pouring monitoring; the device comprises the steel plate frame dies, horizontal adjusting nuts, support fixing nuts and at least one rectangular foundation support. The construction method and device of the pre-embedded bolts are capable of quickly and accurately positioning the positions of upper ends of the pre-embedded bolts and effectively improving the pre-embedding accuracy of the pre-embedded bolts, and thus has favorable application prospect.

Description

A kind of construction method of fixed steel kind design pre embedded bolt and device
Technical field
The present invention relates to a kind of for steel kind design construction method and device, especially a kind of construction method for steel kind design pre embedded bolt and device.
Background technology
Along with the quickening of expanding economy and urbanization process, Development of High-rise Buildings is very swift and violent, in such circumstances, reinforced concrete composite structure obtains more application, in the foundation construction of steel column, column bolt is the key point being connected and fixed parts between superstructure and basis, its accurate location guarantees to lift the precondition of carrying out smoothly, the deviation of steel column pre embedded bolt position is effectively controlled, steel column can be made to be in place smoothly, save the set-up time, accelerating construction progress, ensure integral hoisting success.
The fixing difficulty of shaped steel suspension column is larger, specify according to job specfication: the center allowable variation value of pre-embedded anchoring bolts is 5mm, the allowable variation value of anchor (bolt) hole axial line distance is 3mm, the allowable variation value of suspension column base centerline to orientation axis is 5mm, when adopting permanent plain bolt to connect, bolt hole must not adopt gas cutting reaming.The construction subject matter of shaped steel suspension column shows that on the pre-buried position of column bolt and the base plate of shaped steel suspension column, perforate is not inconsistent, column bolt exposes basic installed surface length that deviation, column bolt are destroyed or screw thread is damaged.
Summary of the invention
Goal of the invention: a kind of construction method and the device that can guarantee the pre-buried precision of steel kind design pre embedded bolt are provided.
Technical scheme: the construction method of fixed steel kind design pre embedded bolt of the present invention, comprises the steps:
Step 1, is familiar with construction drawing, counts quantity and the size of steel kind design and wall body built-in fitting according to construction drawing;
Step 2, the making of steel plate frame mould, select the steel plate that 20 ~ 25mm is thick, measure on steel plate according to the position survey tool of pre embedded bolt in working drawing and draw center line and the pre embedded bolt position line, with drilling machine, positioning bolt hole is accomplished fluently again, the aperture 1.8 ~ 2.2mm larger than the diameter of pre embedded bolt of positioning bolt hole;
Step 3, base rack and pre embedded bolt are installed, the angle steel of ∠ 100*12 is selected to make the base rack of rectangle, and get out bracket bolt holes in the corresponding position of base rack, again at least one base rack is fallen to relevant position, pre embedded bolt is located in respectively on each bracket bolt holes of base rack;
Step 4, steel plate frame mould is installed and location, each pre embedded bolt is installed horizontal adjustment nut, install corresponding with each pre embedded bolt for the positioning bolt hole on steel plate frame mould, the downside of steel plate frame mould is by horizontal adjustment nut support, measure the levelness of steel plate frame mould again with level gauge, by height and the levelness of horizontal adjustment nut adjustment steel plate frame mould, measure central axis and the absolute altitude of suspension column with transit and level gauge;
Step 5, fixing of base rack, after the adjustment of steel plate frame mould position, is greater than the reinforcement welding immobilizing foundation support of 12mm with diameter, thus fixing pre embedded bolt position;
Step 6, the protection of pre embedded bolt, after fixing pre embedded bolt, unloads steel plate frame mould, carries out parcel protection to the threaded portion of pre embedded bolt;
Step 7, operation is checked and accepted and is built monitoring, carries out exhaustive test examination, and whether occur that displacement is nursed to pre embedded bolt to pre embedded bolt in concreting process.
Adopt steel plate frame mould to position the upper end position of pre embedded bolt quickly and accurately, effectively improve the pre-buried precision of pre embedded bolt; The base rack adopting angle steel to make can position the lower end position of pre embedded bolt on ground, effectively improves the pre-buried precision of pre embedded bolt further; Adopt height and the levelness of horizontal adjustment nut adjustment steel plate frame mould, guarantee the accurate location of steel plate frame mould to pre embedded bolt upper end further; Adopt and parcel protection is carried out to the threaded portion of pre embedded bolt, can prevent from having built rear thread damage.
As the further restriction scheme of the inventive method, also comprise the steps:
Step 8, reviews before concrete final set and corrects, measure, correct immediately if any deviation before concrete final set to each pre embedded bolt.Adopt and review in time and can correct immediately deviation before concrete final set, guarantee the pre-buried precision of pre embedded bolt.
As the further restriction scheme of the inventive method, in step 5, before reinforcement welding immobilizing foundation support, need to verify the central axis of steel plate frame mould and absolute altitude.
As the further restriction scheme of the inventive method, in step 3, pre embedded bolt needs before installing to check whether specification, size and length meet the designing requirement of construction drawing.Adopt before installing and check, can effectively avoid using undesirable pre embedded bolt, preventing from doing over again causes construction speed slow.
Present invention also offers a kind of construction equipment of fixed steel kind design pre embedded bolt, comprise the base rack of steel plate frame mould, horizontal adjustment nut, support hold-down nut and at least one rectangle; Corresponding position on steel plate frame mould and base rack is respectively equipped with the positioning bolt hole and bracket bolt holes that wear for pre embedded bolt; Support hold-down nut for screwing at pre embedded bolt in pairs, and grips up and down to base rack; Horizontal adjustment nut for screwing at pre embedded bolt, and carries out horizontal support to the steel plate frame mould be arranged on above pre embedded bolt.Adopt steel plate frame mould to position the upper end position of pre embedded bolt quickly and accurately, effectively improve the pre-buried precision of pre embedded bolt; The base rack adopting angle steel to make can position the lower end position of pre embedded bolt, effectively improves the pre-buried precision of pre embedded bolt further; Adopt height and the levelness of horizontal adjustment nut adjustment steel plate frame mould, guarantee the accurate location of steel plate frame mould to pre embedded bolt upper end further.
As the further restriction scheme of apparatus of the present invention, the aperture 1.8 ~ 2.2mm larger than the diameter of pre embedded bolt of positioning bolt hole.Adopt the spacing of 1.8 ~ 2.2mm, the relative positional accuracy of pre embedded bolt can be controlled in the scope limited.
Compared with prior art, its beneficial effect is in the present invention: (1) adopts steel plate frame mould to position the upper end position of pre embedded bolt quickly and accurately, effectively improves the pre-buried precision of pre embedded bolt; (2) base rack adopting angle steel to make can position the lower end position of pre embedded bolt, effectively improves the pre-buried precision of pre embedded bolt further; (3) adopt height and the levelness of horizontal adjustment nut adjustment steel plate frame mould, guarantee the accurate location of steel plate frame mould to pre embedded bolt upper end further; (4) employing carries out parcel protection to the threaded portion of pre embedded bolt, can prevent from having built rear thread damage.
Accompanying drawing explanation
Fig. 1 is construction method flow chart of the present invention;
Fig. 2 is construction equipment mounting structure schematic diagram of the present invention;
Fig. 3 is fixed steel kind design pre embedded bolt mounting structure lateral view of the present invention;
Fig. 4 is fixed steel kind design pre embedded bolt mounting structure top view of the present invention;
Fig. 5 is base rack structural representation of the present invention.
In figure: 1, pre embedded bolt, 2, base rack, 3, steel plate frame mould, 4, horizontal adjustment nut, 5, support hold-down nut, 6, pad, 7, clamp nut, 8, bracket bolt holes, 9, the grouting bed of material, 10, steel kind design, 11, base plate, 12, peg, 13, strengthen gusset, 14, air-vent.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1:
As shown in Figure 1, the construction method of fixed steel kind design pre embedded bolt of the present invention, comprises the steps:
Step 1, is familiar with construction drawing, counts quantity and the size of steel kind design and wall body built-in fitting according to construction drawing;
Step 2, the making of steel plate frame mould, select the steel plate that 20 ~ 25mm is thick, measure on steel plate according to the position survey tool of pre embedded bolt in working drawing and draw center line and the pre embedded bolt position line, with drilling machine, positioning bolt hole is accomplished fluently again, the aperture 1.8 ~ 2.2mm larger than the diameter of pre embedded bolt of positioning bolt hole;
Step 3, base rack and pre embedded bolt are installed, the angle steel of ∠ 100*12 is selected to make the base rack of rectangle, and get out bracket bolt holes in the corresponding position of base rack, again two base racks are fallen to relevant position, pre embedded bolt is located in respectively on each bracket bolt holes of base rack, also needs to check whether specification, size and length meet the designing requirement of construction drawing before pre embedded bolt is installed;
Step 4, steel plate frame mould is installed and location, each pre embedded bolt is installed horizontal adjustment nut, install corresponding with each pre embedded bolt for the positioning bolt hole on steel plate frame mould, the downside of steel plate frame mould is by horizontal adjustment nut support, measure the levelness of steel plate frame mould again with level gauge, by height and the levelness of horizontal adjustment nut adjustment steel plate frame mould, measure central axis and the absolute altitude of suspension column with transit and level gauge;
Step 5, base rack fixing, after the adjustment of steel plate frame mould position, needs to verify the central axis of steel plate frame mould and absolute altitude, verify qualified after be greater than the reinforcement welding immobilizing foundation support of 12mm again with diameter, thus fixing pre embedded bolt position;
Step 6, the protection of pre embedded bolt, after fixing pre embedded bolt, unloads steel plate frame mould, carries out parcel protection to the threaded portion of pre embedded bolt;
Step 7, operation is checked and accepted and is built monitoring, carries out exhaustive test examination, and whether occur that displacement is nursed to pre embedded bolt to pre embedded bolt in concreting process;
Step 8, reviews before concrete final set and corrects, measure, correct immediately if any deviation before concrete final set to each pre embedded bolt.
As shown in figures 2 and 5, present invention also offers a kind of construction equipment of fixed steel kind design pre embedded bolt, comprise the base rack 2 of steel plate frame mould 3, horizontal adjustment nut 4, support hold-down nut 5 and at least one rectangle; Corresponding position on steel plate frame mould 3 and base rack 2 is respectively equipped with the positioning bolt hole and bracket bolt holes 8 that wear for pre embedded bolt 1; Support hold-down nut 5 for screwing in pairs at pre embedded bolt 1, and grips base rack about 2; Horizontal adjustment nut 4 is for screwing at pre embedded bolt 1, and horizontal support is carried out to the steel plate frame mould 3 be arranged on above pre embedded bolt 1, pre embedded bolt 1 above steel plate frame mould 3 being combined with clamp nut 7 carries out temporary fixed, is provided with pad 6 between clamp nut 7 and steel plate frame mould 3 simultaneously; Aperture 1.8 ~ the 2.2mm larger than the diameter of pre embedded bolt 1 of positioning bolt hole.
As shown in Figures 3 and 4, fixed steel kind design of the present invention, when installation, needs to make welding base plate 11 according to construction drawing in the lower end of steel kind design 10; In the side weld stud 12 of steel kind design 10; Be provided with between base plate 11 and steel kind design 10 and strengthen gusset 13; The grouting bed of material 9 is equipped with in the below of base plate 11; Base plate 11 is at least provided with an air-vent 14; Base plate 11 is arranged on pre embedded bolt 1, and is undertaken fastening by pad 6 and clamp nut 7.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.

Claims (6)

1. a construction method for fixed steel kind design pre embedded bolt, is characterized in that, comprises the steps:
Step 1, is familiar with construction drawing, counts quantity and the size of steel kind design and wall body built-in fitting according to construction drawing;
Step 2, the making of steel plate frame mould, select the steel plate that 20 ~ 25mm is thick, measure on steel plate according to the position survey tool of pre embedded bolt in working drawing and draw center line and the pre embedded bolt position line, with drilling machine, positioning bolt hole is accomplished fluently again, the aperture 1.8 ~ 2.2mm larger than the diameter of pre embedded bolt of positioning bolt hole;
Step 3, base rack and pre embedded bolt are installed, the angle steel of ∠ 100*12 is selected to make the base rack of rectangle, and get out bracket bolt holes in the corresponding position of base rack, again at least one base rack is fallen to relevant position, pre embedded bolt is located in respectively on each bracket bolt holes of base rack;
Step 4, steel plate frame mould is installed and location, each pre embedded bolt is installed horizontal adjustment nut, install corresponding with each pre embedded bolt for the positioning bolt hole on steel plate frame mould, the downside of steel plate frame mould is by horizontal adjustment nut support, measure the levelness of steel plate frame mould again with level gauge, by height and the levelness of horizontal adjustment nut adjustment steel plate frame mould, measure central axis and the absolute altitude of suspension column with transit and level gauge;
Step 5, fixing of base rack, after the adjustment of steel plate frame mould position, is greater than the reinforcement welding immobilizing foundation support of 12mm with diameter, thus fixing pre embedded bolt position;
Step 6, the protection of pre embedded bolt, after fixing pre embedded bolt, unloads steel plate frame mould, carries out parcel protection to the threaded portion of pre embedded bolt;
Step 7, operation is checked and accepted and is built monitoring, carries out exhaustive test examination, and whether occur that displacement is nursed to pre embedded bolt to pre embedded bolt in concreting process.
2. the construction method of fixed steel kind design pre embedded bolt according to claim 1, is characterized in that, also comprise the steps:
Step 8, reviews before concrete final set and corrects, measure, correct immediately if any deviation before concrete final set to each pre embedded bolt.
3. the construction method of fixed steel kind design pre embedded bolt according to claim 1 and 2, is characterized in that, in step 5, before reinforcement welding immobilizing foundation support, needs to verify the central axis of steel plate frame mould and absolute altitude.
4. the construction method of fixed steel kind design pre embedded bolt according to claim 1 and 2, is characterized in that, in step 3, pre embedded bolt needs before installing to check whether specification, size and length meet the designing requirement of construction drawing.
5. a construction equipment for fixed steel kind design pre embedded bolt, is characterized in that, comprises the base rack (2) of steel plate frame mould (3), horizontal adjustment nut (4), support hold-down nut (5) and at least one rectangle; Corresponding position on steel plate frame mould (3) and base rack (2) is respectively equipped with the positioning bolt hole and bracket bolt holes (8) that wear for pre embedded bolt (1); Support hold-down nut (5) for screwing in pairs in pre embedded bolt (1), and grips up and down to base rack (2); Horizontal adjustment nut (4) is screwing in pre embedded bolt (1) for screwing, and carries out horizontal support to the steel plate frame mould (3) being arranged on pre embedded bolt (1) top.
6. the construction equipment of fixed steel kind design pre embedded bolt according to claim 5, is characterized in that, the aperture 1.8 ~ 2.2mm larger than the diameter of pre embedded bolt (1) of positioning bolt hole.
CN201610035616.1A 2016-01-19 2016-01-19 Construction method and device of pre-embedded bolts of fixed steel column base Pending CN105525625A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106088137A (en) * 2016-08-03 2016-11-09 中建三局集团有限公司 A kind of shaped steel suspension column attachment means with prestressed anchor and construction method thereof
CN106869162A (en) * 2017-01-10 2017-06-20 中国核工业第五建设有限公司 Steam turbine built-in fitting fixing device and method
CN108951686A (en) * 2018-07-13 2018-12-07 济南城建集团有限公司 A kind of novel municipal traffic streetlamp foundation construction method
CN109138456A (en) * 2017-06-15 2019-01-04 五冶集团上海有限公司 It is a kind of for adjusting the adjustment device of factory building steel column absolute altitude
CN110206166A (en) * 2019-06-06 2019-09-06 广东建星建造集团有限公司 A kind of steel column suspension column and its construction method of installation
CN110939830A (en) * 2019-10-25 2020-03-31 上海宝冶冶金工程有限公司 Device and method for quickly prefabricating and fixing embedded bolt

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106088137A (en) * 2016-08-03 2016-11-09 中建三局集团有限公司 A kind of shaped steel suspension column attachment means with prestressed anchor and construction method thereof
CN106869162A (en) * 2017-01-10 2017-06-20 中国核工业第五建设有限公司 Steam turbine built-in fitting fixing device and method
CN106869162B (en) * 2017-01-10 2019-03-01 中国核工业第五建设有限公司 Steam turbine built-in fitting fixes device and method
CN109138456A (en) * 2017-06-15 2019-01-04 五冶集团上海有限公司 It is a kind of for adjusting the adjustment device of factory building steel column absolute altitude
CN108951686A (en) * 2018-07-13 2018-12-07 济南城建集团有限公司 A kind of novel municipal traffic streetlamp foundation construction method
CN110206166A (en) * 2019-06-06 2019-09-06 广东建星建造集团有限公司 A kind of steel column suspension column and its construction method of installation
CN110939830A (en) * 2019-10-25 2020-03-31 上海宝冶冶金工程有限公司 Device and method for quickly prefabricating and fixing embedded bolt

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