CN102373713B - Construction method and device for preserved hole of equipment foundation bolt - Google Patents
Construction method and device for preserved hole of equipment foundation bolt Download PDFInfo
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- CN102373713B CN102373713B CN2011103722400A CN201110372240A CN102373713B CN 102373713 B CN102373713 B CN 102373713B CN 2011103722400 A CN2011103722400 A CN 2011103722400A CN 201110372240 A CN201110372240 A CN 201110372240A CN 102373713 B CN102373713 B CN 102373713B
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Abstract
The invention discloses a construction method and device for a preserved hole of an equipment foundation bolt. A construction hole forming device for the preserved hole is designed and manufactured and is a prismatoid shaping steel mould comprising side plates, longitudinal and transverse ribs, a base plate, a nut cap and a fixed frame, wherein the side plates are of an isosceles trapezoid shape; the longitudinal and transverse ribs are respectively welded at the inner sides and the outer sides of the side plates; four side plates are welded to form a prismatoid square port tube; the base plate is square; the outer longitudinal and transverse ribs are welded to be square; the inner longitudinal and transverse ribs are welded to be crossed; the base plate is welded with a large port end of the prismatoid; and the nut cap is welded at the small port end of the prismatoid. The prismatoid shaping steel mould is mounted and positioned; after the prismatoid shaping steel mould is accurately positioned, the steel mould is fixed by using an angle steel or steel bar welded #-shaped frame; a fixed cross bar is arranged on the #-shaped frame and is welded with the outer transverse ribs of the steel mould side plates; and a group of steel mould #-shaped frame is connected integrally. In the process of forming the preserved hole and treating the formed preserved hole, the preserved hole is formed by casting foundation concrete and a vibrating tamper is required to be in no contact with the shaping steel mould and the #-shaped frame; and the nut cap is cut off before the foundation bolt is mounted. After the preserved hole is formed, the template is not needed to be dismantled, hacking on the inner wall is avoided and favorable combined anchoring performance between concrete and the template is achieved.
Description
One, technical field
The invention belongs to thermoelectricity civil works technical field, be specifically related to a kind of Power Plant Equipment foot bolt preformed hole construction method and device fundamentally.
Two, background technology
In power plant project is built, often run into the steel concrete large equipment base and need stay the preformed hole construction of establishing the erection equipment stone bolt, preformed hole is generally prismatoid, and (osculum) suitable for reading is of a size of 18-20 centimetre, end opening (large mouthful) to be of a size of 28-30 centimetre, the degree of depth be 150-200 centimetre.For a long time, adopt wooden model to install preformed hole in the equipment Foundations construction, along with social development, this traditional prepared screw-bolt hole job practices can not adapt to the needs of thermal power project Large Equipment Foundation always.In construction, often occur that the preformed hole wooden model is out of shape by concrete crimp or imbibition, and after concreting, extract the situation of can not tearing not in time wooden model open, finally can only use pneumatic pick, electric drill by the wooden model fragmentation, then slowly draw out.The anchor bolt box that Zhi Mumo is shaped, also need after form removal the preformed hole inwall is carried out to dabbing.Especially the darker prismatoid preformed hole of some degree of depth, form removal and dabbing difficulty are larger, and spended time is also longer.Also has a kind of anchor bolt box hole forming method, adopt exactly reinforced concrete prefabricated board (thickness of slab 3cm) to replace wooden model, this method needs first preformed reinforced concrete shuttering, and the preformed reinforced concrete shuttering operation is many, construction cost is high, and the positioning action inconvenience is installed, and construction speed is slow.
In recent years, some units in charge of construction have quoted advanced foreign technology, it is mechanization production ripple bolt rotation set pipe, be applied to the backup land bolt holes, because the specification of the preformed hole of each engineering is many, and the quantity of the preformed hole of every kind of specification is few, thereby not can manufacture, cause construction cost high, can't apply.
Three, summary of the invention
1. the purpose of inventing: the weak point that overcomes existing anchor bolt box job practices, a kind of easy to operate, construction cost is low, pore-forming is effective anchor bolt box job practices is provided, this job practices can reduce working procedure, accelerating construction progress, reduce construction cost, and reliable construction quality.
2. the technical scheme of inventing: (1) manufactures and designs steel prismatoid typified form and realizes not stripping of anchor bolt box moulding; (2) the prismatoid set shaped steel formwork is installed location; (3) processing after preformed hole pore-forming and pore-forming.Specific practice is: (1) has manufactured and designed the prismatoid typified form of a steel, realize the anchor bolt box moulding, accompanying drawings: steel prismatoid typified form comprises side plate (3), side plate outside rib (4), side plate inboard side rib (8), prismatoid stock mould block (9), fixed transverse rod (10), well word fixed mount (2) in rib (5), base plate (6), plate outer side rib (7), base plate in length and breadth in length and breadth; According to the size of preformed hole, the side plate of blanking processing prismatoid typing punching block, rib, base plate, block in length and breadth; It is characterized in that: the side plate of each prismatoid set shaped steel formwork is 4, the shape isosceles trapezoid, and upper edge lengths 18-20 centimetre, lower edge lengths 28-30 centimetre, be highly 150-200 centimetre, and side plate is higher 10 centimetres than preformed hole, and foot bolt cuts off block before installing easily; Side plate is indulged 8, rib, length 150-200 centimetre outward; In side plate, vertical rib is 24, and in length 25-30 centimetre, side plate, cross rib is 56, length 8-12 centimetre; Base plate outward in length and breadth rib each 2,25 centimetres of length; In base plate in length and breadth rib each 2,15 centimetres of length; Base plate is square, length of side 28-30 centimetre.The operation of making ladder type body-shaping punching block is: it is the II grade reinforcing steel making of 25mm that prismatoid typified form well word fixed mount adopts ∠ 50 * 5 angle steel or diameter, side plate, base plate, block adopt the steel plate that 6mm is thick to make, inside and outside side plate and base plate in length and breadth rib to adopt diameter be the II grade reinforcing steel processing of 12mm; 2, the outer vertical rib of every block of side plate one side weldering, 6 of outer cross ribs, vertically in the opposite side weldering help 6, interiorly horizontally helps 14; The interior outside of 4 blocks of side plates after rib welds in length and breadth, is welded into prismatoid square opening pipe by side plate; Base plate outward in length and breadth rib weldering be hollow, inside the rib weldering is for cross in length and breadth, base plate after rib welds in length and breadth, welds with prismatoid steel pipe big opening end; At prismatoid steel pipe osculum end welding block.(2) installation of prismatoid typing punching block location: before installation, mark cross centre line at block, the plate outer side of typing punching block, in order to location is installed.After the accurate positioning of prismatoid typing punching block, adopt angle steel or reinforcing bar welding well cabinet frame fixation prismatoid typing punching block, each prismatoid punching block arranges a fixedly well cabinet frame, well cabinet frame upper and lower opening equal and opposite in direction, be square, in order to facilitate fixed ladder body steel form, on the well cabinet frame with the prismatoid steel mould side board outside cross rib height flush position fixed transverse rod is set, the outer cross rib welding of fixed transverse rod and prismatoid steel mould side board.For guaranteeing the globality of same group of prismatoid punching block, usually single well cabinet frame is connected.(3) processing after preformed hole pore-forming and pore-forming: build the equipment Foundations concrete and make the preformed hole moulding, in concreting process, the attention vibrator is not encountered prismatoid typing punching block and well cabinet frame, after equipment Foundations concreting, concrete and steel prismatoid typified form became one, stripping not after the preformed hole pore-forming, before the mounting foot bolt, cut off the block of prismatoid typing punching block.
3. the good effect of inventing: (1) adopts the technical scheme of inventing, and dark type prismatoid preformed hole template does not need to remove, and the preformed hole inwall does not need dabbing, has reduced working procedure, has accelerated construction speed, has reduced construction cost.(2) after the concreting of equipment Foundations, the anchor bolt box of equipment Foundations has been carried out measuring and checked, the preformed hole axis shift is all in the deviation range that standard allows, and the feature dimension of all preformed holes all meets designing requirement.(3) adopt foundation bolt preformed hole of equipment foundation (the dark type prismatoid) hole quality of this method construction good, not yielding, displacement, clean in hole.Concrete is combined anchoring property with casement good.
Four, accompanying drawing explanation
Fig. 1 is the foundation bolt preformed hole of equipment foundation construction plan, Fig. 2 is foundation bolt preformed hole of equipment foundation typified form expanded view, Fig. 3 is foundation bolt preformed hole of equipment foundation stock mould block drawing, and Fig. 4 is foundation bolt preformed hole of equipment foundation stock mould base plate drawing.1 is base concrete, and 2 is well word fixed mount, and 3 is side plate, and 4 is side plate outside rib in length and breadth, and 5 is side plate inboard rib in length and breadth, and 6 is base plate, and 7 is the plate outer side rib, and 8 is side rib in base plate, and 9 are prismatoid stock mould block, and 10 is fixed transverse rod.
Five, the specific embodiment
1, manufactured and designed the prismatoid typified form of steel, realize the anchor bolt box moulding, accompanying drawings: steel prismatoid typified form comprises side plate (3), side plate outside rib (4), side plate inboard side rib (8), prismatoid stock mould block (9), fixed transverse rod (10), well word fixed mount (2) in rib (5), base plate (6), plate outer side rib (7), base plate in length and breadth in length and breadth; According to the size of preformed hole, the side plate of blanking processing prismatoid typing punching block, rib, base plate, block in length and breadth; It is characterized in that: the side plate of each prismatoid typing punching block is 4, shape isosceles trapezoid, upper edge lengths 18-20 centimetre, lower edge lengths 28-30 centimetre, be highly 150-200 centimetre, higher 10 centimetres than preformed hole, so that stone bolt cuts off block before installing, side plate is indulged 8, rib outward, in length 150-200 centimetre, side plate, vertical rib is 24, length 25-30 centimetre, in side plate, cross rib is 56, length 8-12 centimetre; Base plate outward in length and breadth rib each 2,25 centimetres of length; In base plate in length and breadth rib each 2,15 centimetres of length; Base plate is square, length of side 28-30 centimetre.The operation that is made as ladder type body-shaping steel form is: 1. prismatoid typified form well word fixed mount employing ∠ 50 * 5 angle steel or diameter are the II grade reinforcing steel making of 25mm, side plate, base plate, block adopt the steel plate that 6mm is thick to make, inside and outside side plate and base plate in length and breadth rib to adopt diameter be the II grade reinforcing steel processing of 12mm; 2, the outer vertical rib of every block of side plate one side weldering, 6 of outer cross ribs, in the opposite side weldering, vertical rib is 6, interiorly horizontally helps 14; The interior outside of 4 blocks of side plates after rib welds in length and breadth, is welded into prismatoid square opening pipe by side plate; Base plate outward in length and breadth rib weldering be hollow, inside the rib weldering is for cross in length and breadth, base plate after rib welds in length and breadth, welds with prismatoid steel pipe big opening end; At prismatoid steel pipe osculum end welding block; 2. the installation of prismatoid typing punching block location: before installation, mark cross centre line at block, the plate outer side of typing punching block, in order to location is installed; After the accurate positioning of prismatoid typing punching block, adopting ∠ 50 * 5 angle steel or diameter is the II grade reinforcing steel welding well cabinet frame fixation prismatoid typing punching block of 25mm, each prismatoid punching block arranges a fixedly well cabinet frame, well cabinet frame upper and lower opening equal and opposite in direction, be square, in order to facilitate fixed ladder body steel form, on the well cabinet frame with the prismatoid steel mould side board outside cross rib height flush position fixed transverse rod is set, the outer cross rib welding of fixed transverse rod and prismatoid steel mould side board.In order to guarantee the globality of same group of prismatoid punching block, usually single well cabinet frame is connected.3. the processing after preformed hole pore-forming and pore-forming: build the equipment Foundations concrete and make the preformed hole moulding, in concreting process, the attention vibrator is not encountered prismatoid typing punching block and well cabinet frame, after equipment Foundations concreting, concrete and steel prismatoid typified form became one, stripping not after the preformed hole pore-forming, before the mounting foot bolt, cut off the block of prismatoid typing punching block.
Adopt the technical scheme of inventing, the preformed hole inwall does not need dabbing, reduced working procedure, the preformed hole axis shift is all in standard allowable variation scope, the preformed hole feature dimension all meets designing requirement, the preformed hole hole quality is good, not yielding, displacement, and concrete is combined anchoring property with casement good.
Claims (1)
1. a foundation bolt preformed hole of equipment foundation job practices, comprise and manufacture and design steel prismatoid typified form, and the prismatoid typified form is installed location, and preformed hole pore-forming and pore-forming postprocessing working procedures is characterized in that:
1.1 manufacture the prismatoid typified form, the prismatoid typified form, by side plate (3), the side plate outside in length and breadth rib (4), side plate inboard in length and breadth in rib (5), base plate (6), plate outer side rib (7), base plate side rib (8), block (9), fixed transverse rod (10), well word fixed mount (2) form, according to the preformed hole size, determine side plate, rib, base plate, block size in length and breadth; (1) composition of prismatoid typified form and size, the side plate of each prismatoid typing punching block is 4, the shape isosceles trapezoid, upper edge lengths 18-20 centimetre, lower edge lengths 28-30 centimetre, height 150-200 centimetre, higher 10 centimetres than preformed hole, so that stone bolt cuts off block before installing; Side plate is indulged 8, rib, length 150-200 centimetre outward; In side plate, vertical rib is 24, and in length 25-30 centimetre, side plate, cross rib is 56, length 8-12 centimetre; Base plate outward in length and breadth rib each 2,25 centimetres of length; In base plate in length and breadth rib each
Root, 15 centimetres of length; Base plate is square, length of side 28-30 centimetre; (2) operation of making prismatoid typified form is: it is the II grade reinforcing steel making of 25mm that prismatoid typified form well word fixed mount adopts ∠ 50 * 5 angle steel or diameter, side plate, base plate, block adopt the steel plate that 6mm is thick to make, inside and outside side plate and base plate in length and breadth rib to adopt diameter be the II grade reinforcing steel processing of 12mm; Every outer 2, the rib of indulging of side plate one side weldering, 6 of outer cross ribs, in the opposite side weldering, vertical rib is 6,14 of interior cross ribs; The interior outside of 4 blocks of side plates after rib welds in length and breadth, is welded into prismatoid square opening pipe by side plate; Base plate outward in length and breadth rib weldering be hollow, inside the rib weldering is for cross in length and breadth, base plate after rib welds in length and breadth, welds with prismatoid steel pipe big opening end; At prismatoid steel pipe osculum end welding block;
1.2 the installation location of prismatoid typing punching block: after the prismatoid typified form is made, being transported to job site installs, before installation, block at the typing punching block, plate outer side marks cross centre line, in order to location is installed, after the accurate positioning of prismatoid typing punching block, adopting ∠ 50 * 5 angle steel or diameter is the II grade reinforcing steel welding well cabinet frame fixation prismatoid typing punching block of 25mm, each prismatoid punching block arranges a fixedly well cabinet frame, well cabinet frame upper and lower opening equal and opposite in direction, be square, in order to facilitate fixed ladder body steel form, on the well cabinet frame with the prismatoid steel mould side board outside cross rib height flush position fixed transverse rod is set, the outer cross rib welding of fixed transverse rod and prismatoid steel mould side board, in order to guarantee the globality of same group of prismatoid punching block, single well cabinet frame is connected,
1.3 the processing after preformed hole pore-forming and pore-forming: build the equipment Foundations concrete and make the preformed hole moulding, in concreting process, vibrator is not encountered prismatoid typing punching block and well cabinet frame
After building, concrete and steel prismatoid typified form became one, stripping not after the preformed hole pore-forming; Before the mounting foot bolt, cut off the block of prismatoid typing punching block; The preformed hole inwall does not need dabbing, and feature dimension meets designing requirement, and hole quality is good, not yielding, displacement, and the preformed hole axis shift is in standard allowable variation scope, and concrete is combined anchoring property with casement good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103722400A CN102373713B (en) | 2011-11-22 | 2011-11-22 | Construction method and device for preserved hole of equipment foundation bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103722400A CN102373713B (en) | 2011-11-22 | 2011-11-22 | Construction method and device for preserved hole of equipment foundation bolt |
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| Publication Number | Publication Date |
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| CN102373713A CN102373713A (en) | 2012-03-14 |
| CN102373713B true CN102373713B (en) | 2013-11-27 |
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| CN2011103722400A Active CN102373713B (en) | 2011-11-22 | 2011-11-22 | Construction method and device for preserved hole of equipment foundation bolt |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660960A (en) * | 2012-05-18 | 2012-09-12 | 中国水利水电第十四工程局有限公司 | Detachment-free foundation bolt hole device of stator foundation and grouting method |
| CN102912813A (en) * | 2012-11-22 | 2013-02-06 | 中国水利水电第十四工程局有限公司 | Measurement method for mounting and positioning of basic direct-buried foundation bolts of large-scale equipment |
| CN104234073B (en) * | 2014-08-21 | 2016-10-05 | 中国十七冶集团有限公司 | One deeper reserving hole molding construction method |
| CN105401591B (en) * | 2014-09-03 | 2017-11-28 | 五冶集团上海有限公司 | Pre-embedded bolt corrugated sleeve installation method |
| CN105672345A (en) * | 2016-02-02 | 2016-06-15 | 中国船舶重工集团公司第七一二研究所青岛研究所 | Installation method and device for embedded bolt holes of large generator cast iron platform foundation |
| CN110241845A (en) * | 2019-07-12 | 2019-09-17 | 中国化学工程第十一建设有限公司 | A kind of Equipment Foundations preformed hole fuse and its construction method easy to dismantle |
| CN114934413A (en) * | 2022-06-29 | 2022-08-23 | 中核华辰建筑工程有限公司 | Group ground steel rail construction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094580U (en) * | 1991-06-24 | 1992-01-29 | 马大地 | Hole forming device for prismatic preset hole |
| CN201367595Y (en) * | 2009-03-03 | 2009-12-23 | 南通建工集团股份有限公司 | Device for reserving hole of anchor bolt |
| CN201512949U (en) * | 2009-09-15 | 2010-06-23 | 中国石油化工集团公司 | Reversed conical prepared hole forming device for foundation of concrete device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61106828A (en) * | 1984-10-31 | 1986-05-24 | Hitachi Ltd | Method of burying foundation bolt and forms therefor |
| JP3262878B2 (en) * | 1993-03-01 | 2002-03-04 | ミサワホーム株式会社 | Construction method of ventilation roof with square roof |
-
2011
- 2011-11-22 CN CN2011103722400A patent/CN102373713B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2094580U (en) * | 1991-06-24 | 1992-01-29 | 马大地 | Hole forming device for prismatic preset hole |
| CN201367595Y (en) * | 2009-03-03 | 2009-12-23 | 南通建工集团股份有限公司 | Device for reserving hole of anchor bolt |
| CN201512949U (en) * | 2009-09-15 | 2010-06-23 | 中国石油化工集团公司 | Reversed conical prepared hole forming device for foundation of concrete device |
Non-Patent Citations (1)
| Title |
|---|
| 聚合釜基础地脚螺栓预留孔的不拆模施工;刘巍然等;《化工科技》;20061030;第14卷(第05期);26-27 * |
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| CN102373713A (en) | 2012-03-14 |
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