CN112360216A - Concrete storage bin top plate construction method - Google Patents

Concrete storage bin top plate construction method Download PDF

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Publication number
CN112360216A
CN112360216A CN202011388865.1A CN202011388865A CN112360216A CN 112360216 A CN112360216 A CN 112360216A CN 202011388865 A CN202011388865 A CN 202011388865A CN 112360216 A CN112360216 A CN 112360216A
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CN
China
Prior art keywords
construction
top plate
plate
feed bin
bin
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
CN202011388865.1A
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Chinese (zh)
Inventor
郭华新
侯瑞强
白晓东
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.)
Hebei Mcc20 Group Co ltd
China MCC20 Group Corp Ltd
Original Assignee
Hebei Mcc20 Group Co ltd
China MCC20 Group Corp Ltd
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Filing date
Publication date
Application filed by Hebei Mcc20 Group Co ltd, China MCC20 Group Corp Ltd filed Critical Hebei Mcc20 Group Co ltd
Priority to CN202011388865.1A priority Critical patent/CN112360216A/en
Publication of CN112360216A publication Critical patent/CN112360216A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H7/00Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
    • E04H7/22Containers for fluent solids, e.g. silos, bunkers; Supports therefor
    • E04H7/24Constructions, with or without perforated walls, depending on the use of specified materials
    • E04H7/26Constructions, with or without perforated walls, depending on the use of specified materials mainly of concrete, e.g. reinforced concrete or other stone-like materials
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work

Abstract

The invention relates to a concrete storage bin top plate construction method, which comprises the following steps: construct feed bin raft foundation, carry out the construction of feed bin frame post, set up full hall scaffold frame between feed bin frame post, prop up at the top of scaffold frame and establish feed bin funnel template, pour after the feed bin funnel template is erected and is accomplished, obtain the feed bin funnel, the feed bin lateral wall more than the feed bin funnel carries out the slip form construction through the slipform device, utilize the tower crane to install the girder steel at feed bin lateral wall top, lay the backup pad on the girder steel, at recess internal fixation toggle, ligature roof reinforcing bar in the backup pad, pour concrete in the backup pad and form the roof, be under construction roof upper portion frame construction, be under construction the feed bin inner structure simultaneously, be under construction the closure to roof upper portion frame construction, carry out belt conveyor equipment installation construction on the roof. The invention greatly improves the construction efficiency and saves a large amount of manpower and material resources.

Description

Concrete storage bin top plate construction method
Technical Field
The invention relates to a construction method of a storage bin, in particular to a construction method of a concrete storage bin top plate.
Background
The feed bin structure generally divide into about in three parts, and the lower part is the frame post that supports the feed bin, and the middle part is the storehouse body of taking the funnel, and upper portion is the installation department of equipment such as belt conveyor, and wherein storehouse body lower part is the funnel, and the centre is the bulkhead, is the roof on the bulkhead, is equipped with equipment such as belt conveyor on the roof. In traditional concrete storage bin construction, lower part frame post and funnel adopt full hall scaffold frame construction, the construction of reverse mould or slip form is taken to the bulkhead, the storehouse roof is taken to set up full hall scaffold frame in the storehouse and is supported as the cope match-plate pattern, it is big to cause roof construction scaffold frame to take the volume of tearing open like this, construction space is limited, construction machinery can't adopt, the template construction degree of difficulty is great, concrete maintenance time is long, and when scaffold frame and template demolish, can only follow the narrow and small end opening of funnel and transport out, construction speed is very slow, inside daylighting is poor, the risk factor is many.
Disclosure of Invention
The invention aims to provide a concrete storage bin top plate construction method, which aims to solve the problems of large scaffold assembling and disassembling amount, limited construction space, high template construction difficulty, long concrete curing time and low construction speed in the traditional storage bin construction method.
The invention is realized by the following steps: a concrete storage bin top plate construction method comprises the following steps:
a. and (5) paying off and excavating at a preset position, constructing the raft foundation of the storage bin, and backfilling earthwork after the raft foundation is constructed.
b. And constructing the stock bin frame column until the top of the stock bin frame column reaches the preset height of the upper opening beam of the stock bin funnel.
c. Full framing scaffolds are set up between the bin frame columns, and the tops of the scaffolds reach the preset height of the bin hopper.
d. A stock bin funnel template is erected at the top of the scaffold.
e. And pouring after the stock bin funnel template is erected, so as to obtain the stock bin funnel.
f. And (4) carrying out slip form construction on the bin side wall above the bin funnel through the slip form device until the top of the bin side wall reaches a preset position of the top plate, and reserving a structural position for roof construction.
g. And after the construction of the side wall of the storage bin is finished, the sliding form device is disassembled.
h. And a steel beam is installed at the top of the side wall of the storage bin by using a tower crane.
i. The supporting plate is laid on the steel beam and comprises a bottom plate, a plurality of reinforcing ribs which are parallel to each other and protrude out of the upper surface of the bottom plate are evenly arranged on the bottom plate, and grooves are formed between the adjacent reinforcing ribs.
j. A stud is fixed in the groove, and a stud cap with the diameter larger than that of the stud is arranged at the top of the stud.
k. And binding a top plate steel bar on the supporting plate, and fixing the steel bar and the supporting plate into a whole.
And l, pouring concrete on the support plate to form a top plate, and curing the top plate.
And m, after the top plate concrete is cured, constructing a frame structure on the upper part of the top plate, and constructing an internal structure of the storage bin.
And n, performing closed construction on the upper frame structure of the top plate.
And o, carrying out installation construction of the belt conveyor equipment on the top plate.
The side plates are arranged on the periphery of the supporting plate, the height of each side plate is larger than that of each reinforcing rib, the height of each stud is larger than that of each reinforcing rib, and when the top plate is poured, the concrete surface is higher than the tops of the studs by at least 15 mm.
And reserving a hole when the supporting plate is installed, the top plate steel bars are bound and the top plate concrete is poured.
The steel beam comprises a main beam and a secondary beam, and the main beam and the secondary beam form a grid shape.
The top plate of the invention does not use a scaffold as a support, but a steel beam is arranged on the top of the side wall of the storage bin and is used as a support, a support plate is arranged on the steel beam, reinforcing steel bars are bound on the support plate, the support plate can bear certain tensile force and can be used as the reinforcing steel bars bearing the tensile force for calculation, so that the consumption of the reinforcing steel bars can be reduced during calculation and arrangement of the reinforcing steel bars, the steel beam and the support plate can bear larger force and are used as structures for supporting equipment on the top plate and the fixed plate, and the steel beam and the support plate are directly used as a part of the top plate after the top plate is poured, and the steel beam and the support. Because the construction of roof need not erect the scaffold frame, carrying out the roof construction back, the construction of roof upper portion frame construction can go on simultaneously with the construction of feed bin inner structure to improve the efficiency of construction. The connection between the stud and the top plate concrete on the supporting plate is very firm, the stud can bear shearing force, and the bolt cap can bear lifting force, so that the top plate forms a firm supporting structure.
Drawings
Fig. 1 is a schematic view of the structure at the top plate of the present invention.
Fig. 2 is a schematic view of a support plate of the present invention.
In the figure: 1. a top plate; 2. a support plate; 3. a steel beam; 4. a hole; 5. a steel grating; 2-1, a bottom plate; 2-2, reinforcing ribs; 2-3, side plates; 2-4, and a bolt.
Detailed Description
The invention comprises the following steps:
a. and paying off at a preset bin position, excavating according to the paying off position, constructing a bin raft foundation in an excavated foundation pit, and backfilling earthwork after the raft foundation is constructed.
b. Carry out the construction of feed bin frame post on feed bin raft foundation, notice the height of feed bin frame post when the construction, make feed bin frame post top reach the predetermined height of feed bin funnel upper shed roof beam to carry out the construction of feed bin funnel at the back.
c. Full framing scaffolds are set up between the bin frame columns, and the tops of the scaffolds reach the preset height of the bin hopper.
d. A stock bin funnel template is erected at the top of the scaffold.
e. The stock bin funnel template is erected and is poured after the completion to obtain a stock bin funnel, and the scaffold can be dismantled after the stock bin funnel is maintained.
f. And (3) carrying out slip form construction on the bin side wall above the bin funnel through a slip form device until the top of the bin side wall reaches the preset position of the top plate 1, and reserving the structural position for roof 1 construction.
g. And after the construction of the side wall of the storage bin is finished, the sliding form device is disassembled.
h. And a steel beam 3 is arranged at the top of the side wall of the storage bin by using a tower crane. The steel beam 3 comprises a main beam and a secondary beam, and the main beam and the secondary beam form a grid shape and can effectively support the support plate 2.
i. A supporting plate 2 is laid on the steel beam 3, the supporting plate 2 comprises a bottom plate 2-1, a plurality of reinforcing ribs 2-2 which are parallel to each other and protrude out of the upper surface of the bottom plate 2-1 are uniformly arranged on the bottom plate 2-1, and grooves are formed between the adjacent reinforcing ribs 2-2.
j. The pegs 2-4 are fixed in the grooves, and the top parts of the pegs 2-4 are provided with peg caps with diameters larger than the diameters of the pegs 2-4. The studs 2-4 are generally directly welded on the supporting plate 2, the studs 2-4 are perpendicular to the surface of the supporting plate 2, and the studs 2-4 are sequentially arranged to form a grid shape, so that the connection strength between the concrete top plate 1 is increased. The periphery of the supporting plate 2 is provided with side plates 2-3, the height of the side plates 2-3 is larger than that of the reinforcing ribs 2-2, the height of the studs 2-4 is larger than that of the reinforcing ribs 2-2, and when the top plate 1 is poured, the concrete surface is at least 15mm higher than the tops of the studs 2-4.
k. The reinforcing steel bars of the top plate 1 are bound on the supporting plate 2, the reinforcing steel bars and the supporting plate 2 are fixed into a whole, and the reinforcing steel bars 2-2 of the supporting plate 2 can bear certain tensile force, so that the using amount of the reinforcing steel bars can be correspondingly reduced when the reinforcing steel bars are calculated.
Pouring concrete on the supporting plate 2 to form the top plate 1, and curing the top plate 1.
And m, after the concrete curing of the top plate 1 is finished, constructing a frame structure on the upper part of the top plate 1, and constructing an internal structure of the storage bin.
And n, performing closed construction on the upper frame structure of the top plate 1.
o. carrying out installation construction of the belt conveyor equipment on the top plate 1.
When the supporting plate 2 is installed, the top plate 1 steel bars are bound, and the top plate 1 concrete is poured, a hole 4 is reserved. Install belt conveyor other by entrance to a cave 4, and belt conveyor's end is located entrance to a cave 4 top, installs steel grating 5 on entrance to a cave 4, and steel grating 5 is used for sealing entrance to a cave 4, guarantees safety to open steel grating 5 back, can make belt conveyor's material enter into the storehouse from entrance to a cave 4.
According to the invention, the top plate 1 does not use a scaffold as a support, but the steel beam 3 is arranged on the top of the side wall of the storage bin and is supported by the steel beam 3, and the support plate 2 is arranged on the steel beam 3, so that the work of building and dismantling the scaffold during the construction of the top plate 1 is omitted, the scaffold can be dismantled only late due to the fact that the maintenance and solidification of the top plate 1 require a certain time, the structural construction in the storage bin cannot be carried out, and after the scaffold is omitted, the structural construction on the upper part of the top plate 1 and the structural construction in the storage bin can be carried out simultaneously, so that the construction.
The reinforcing steel bars are bound on the supporting plate 2, the reinforcing steel bars 2-2 are arranged on the supporting plate 2, the reinforcing steel bars can bear certain tensile force, the supporting plate 2 can be used for calculating the reinforcing steel bars bearing the tensile force, the using amount of the reinforcing steel bars can be reduced when the reinforcing steel bars are distributed in a calculating mode, the steel beams 3 and the supporting plate 2 can bear large force and serve as structures of the supporting top plate 1 and the fixed plate upper equipment, the steel beams 3 and the supporting plate 2 are directly used as one part of the top plate 1 after the top plate 1 is poured, dismantling is not needed, and construction efficiency is greatly improved.
The connection between the studs 2-4 on the supporting plate 2 and the concrete of the top plate 1 is very firm, the studs 2-4 can bear shearing force, and the stud caps can bear lifting force, so that the top plate 1 forms a firm supporting structure.

Claims (4)

1. The construction method of the concrete storage bin top plate is characterized by comprising the following steps:
a. paying off and excavating at a preset position, constructing a raft foundation of the storage bin, and backfilling earthwork after the raft foundation is constructed;
b. constructing the stock bin frame column until the top of the stock bin frame column reaches the preset height of the upper opening beam of the stock bin funnel;
c. erecting full framing scaffolds between the bin frame columns, wherein the tops of the scaffolds reach the preset height of the bin hopper;
d. a stock bin funnel template is erected at the top of the scaffold;
e. pouring after the stock bin funnel template is erected to obtain a stock bin funnel;
f. slip-form construction is carried out on the side wall of the storage bin above the storage bin funnel through a slip-form device until the top of the side wall of the storage bin reaches a preset position of the top plate, and a structural position for top plate construction is reserved;
g. after the construction of the side wall of the storage bin is finished, the sliding mode device is disassembled;
h. mounting a steel beam on the top of the side wall of the storage bin by using a tower crane;
i. laying a support plate on the steel beam, wherein the support plate comprises a bottom plate, a plurality of reinforcing ribs which are parallel to each other and protrude out of the upper surface of the bottom plate are uniformly arranged on the bottom plate, and a groove is formed between every two adjacent reinforcing ribs;
j. a stud is fixed in the groove, and a stud cap with the diameter larger than that of the stud is arranged at the top of the stud;
k. binding a top plate steel bar on the supporting plate, and fixing the steel bar and the supporting plate into a whole;
pouring concrete on the supporting plate to form a top plate, and maintaining the top plate;
m, after the top plate concrete is cured, constructing a frame structure at the upper part of the top plate, and constructing an internal structure of the storage bin;
n, performing closed construction on the upper frame structure of the top plate;
and o, carrying out installation construction of the belt conveyor equipment on the top plate.
2. The concrete silo roof construction method of claim 1, wherein side plates are arranged on the periphery of the support plate, the height of each side plate is larger than that of the reinforcing rib, the height of the stud is larger than that of the reinforcing rib, and when the roof is poured, the concrete surface is at least 15mm higher than the top of the stud.
3. The concrete silo roof construction method according to claim 1, wherein a hole is reserved when the support plate is installed, the roof reinforcement is bound, and the roof concrete is poured.
4. The concrete silo roof construction method of claim 1, wherein the steel beams include primary beams and secondary beams, and the primary beams and the secondary beams form a grid shape.
CN202011388865.1A 2020-12-02 2020-12-02 Concrete storage bin top plate construction method Pending CN112360216A (en)

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CN202011388865.1A CN112360216A (en) 2020-12-02 2020-12-02 Concrete storage bin top plate construction method

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Application Number Priority Date Filing Date Title
CN202011388865.1A CN112360216A (en) 2020-12-02 2020-12-02 Concrete storage bin top plate construction method

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Publication Number Publication Date
CN112360216A true CN112360216A (en) 2021-02-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115506407A (en) * 2022-10-27 2022-12-23 中国十九冶集团有限公司 Cast-in-place construction method for top plate of lubricating station

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435276A (en) * 2008-12-18 2009-05-20 中建二局第三建筑工程有限公司 Cabin top steel beam hydraulic hoisting and positioning apparatus of cylinder cabin structure building and construction method thereof
KR101054906B1 (en) * 2010-12-30 2011-08-05 성 환 최 Silo construction method using slip form
CN108678181A (en) * 2018-05-28 2018-10-19 中国二十二冶集团有限公司 Silo roof steel truss and concrete combined structure high-altitude construction method
CN110206298A (en) * 2019-06-21 2019-09-06 南通大学 A kind of optimization sliding-mode structure construction technology for the matrix side storehouse that misplaces
CN110685483A (en) * 2019-09-06 2020-01-14 中国电建集团河北工程有限公司 Large-scale coal storage bin top plate prefabricating and assembling method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101435276A (en) * 2008-12-18 2009-05-20 中建二局第三建筑工程有限公司 Cabin top steel beam hydraulic hoisting and positioning apparatus of cylinder cabin structure building and construction method thereof
KR101054906B1 (en) * 2010-12-30 2011-08-05 성 환 최 Silo construction method using slip form
CN108678181A (en) * 2018-05-28 2018-10-19 中国二十二冶集团有限公司 Silo roof steel truss and concrete combined structure high-altitude construction method
CN110206298A (en) * 2019-06-21 2019-09-06 南通大学 A kind of optimization sliding-mode structure construction technology for the matrix side storehouse that misplaces
CN110685483A (en) * 2019-09-06 2020-01-14 中国电建集团河北工程有限公司 Large-scale coal storage bin top plate prefabricating and assembling method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
江正荣: "《建筑分项施工工艺标准手册》", 29 February 2000, 中国建筑工业出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115506407A (en) * 2022-10-27 2022-12-23 中国十九冶集团有限公司 Cast-in-place construction method for top plate of lubricating station

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Application publication date: 20210212