CN111892423A - Bulky concrete condensing system who combines steel bar support - Google Patents
Bulky concrete condensing system who combines steel bar support Download PDFInfo
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- CN111892423A CN111892423A CN202010868374.0A CN202010868374A CN111892423A CN 111892423 A CN111892423 A CN 111892423A CN 202010868374 A CN202010868374 A CN 202010868374A CN 111892423 A CN111892423 A CN 111892423A
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- Prior art keywords
- steel bar
- bar support
- water
- guide pipes
- guide
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000036571 hydration Effects 0.000 abstract description 4
- 238000006703 hydration reaction Methods 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 208000034189 Sclerosis Diseases 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
- E04G21/246—Safety or protective measures preventing damage to building parts or finishing work during construction specially adapted for curing concrete in situ, e.g. by covering it with protective sheets
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a large-volume concrete condensing system combined with a steel bar support, which comprises the steel bar support, a water pump and a reservoir, wherein the steel bar support consists of a first guide pipe which is vertically arranged and a second guide pipe which is horizontally arranged and is connected through a connecting piece; one end of the steel bar support is connected with a water pump through a water inlet pipe, the water pump is connected with a reservoir, and the other end of the steel bar support is connected with the reservoir through a water outlet pipe; the upper end and the lower end of the first guide pipe are respectively connected with the second guide pipes on two sides, a water way in the steel bar support is communicated with the water storage tank, the water way is of a continuous S-shaped structure and is communicated with all vertically arranged first guide pipes, the directions of water flow in the two adjacent first guide pipes are opposite, and the water flow direction is communicated with the second guide pipes below or above the side face. The stability of the steel bar support is far greater than that of a stirrup; meanwhile, concrete cracking caused by high temperature generated by hydration heat in the large-volume concrete is avoided.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a large-volume concrete condensing system combined with a steel bar support.
Background
The bulk concrete refers to a mass concrete of which the minimum physical geometric dimension of a concrete structure is not less than 1m, or a concrete which is expected to cause harmful crack generation due to temperature change and shrinkage caused by hydration of a cementing material in the concrete. The heavy volume concrete steel bar support adopts support or stirrup that reinforcing bar or shaped steel welding made to support the weight of upper reinforcing bar, the elevation of control reinforcing bar and the whole construction load of upper portion operation platform, and the slenderness ratio of general steel bar support and stirrup is great, and stability is relatively poor, adopts to set up the steel pipe and come the stability that can effectively improve the support as steel bar support.
Meanwhile, the mass concrete is not easy to dissipate heat, the maximum temperature inside the concrete can reach 60-65 ℃ generally, and the concrete has a long duration. Therefore, temperature control measures should be taken to prevent cracks from being generated due to excessive temperature difference between the inside and the outside of the concrete. The common construction site is the water pipe cooling arrangement method, namely the internal temperature of the concrete is reduced by embedding the condenser pipe.
Disclosure of Invention
The invention aims to provide a large-volume concrete condensing system combined with a steel bar support, which combines a steel bar support system with the condensing system and avoids concrete cracking caused by high temperature generated by hydration heat in large-volume concrete.
Therefore, the technical scheme of the invention is as follows: the utility model provides a bulky concrete condensing system who combines steel bar support which characterized in that: the water pump comprises a steel bar support, a water pump and a reservoir, wherein the steel bar support consists of a plurality of rectangular units which are distributed in rows and columns; the rectangular units are composed of first guide pipes which are vertically arranged and second guide pipes which are horizontally arranged, and adjacent rectangular units are connected through connecting pieces; one end of the steel bar support is connected with a water pump through a water inlet pipe, the water pump is connected with a reservoir, and the other end of the steel bar support is connected with the reservoir through a water outlet pipe; the upper end and the lower end of the first guide pipe in the rectangular unit are respectively connected with the second guide pipes on two sides, a water path in the steel bar support is communicated with the water storage tank, the water path is of a continuous S-shaped structure and is communicated with all vertically arranged first guide pipes, the directions of water flows in the two adjacent first guide pipes are opposite, and the second guide pipes below or above the side face are communicated along the direction of the water flows.
Preferably, the bottom of the first conduit is provided with a base, and a closed end is arranged below the base; a water stop ring is wound below the first conduit.
Preferably, each rectangular unit is composed of 4 vertically arranged first guide pipes and 8 horizontally arranged second guide pipes, and the first guide pipes and the second guide pipes are connected through six-way connecting pieces.
Preferably, only one of the 2 second guide tubes on the same side in each rectangular unit is communicated with the first guide tubes at two ends, and a plug is arranged between the other second guide tube and the first guide tube.
According to the invention, the steel pipe and the connecting piece are built into the steel bar support, the steel pipe is divided into the horizontal second guide pipe and the vertical first guide pipe, the horizontal second guide pipe is arranged at the position close to the upper surface and the lower surface of the super-thick bottom plate, the position with the highest temperature of the large-volume concrete is arranged in the middle of the bottom plate, and the vertical first guide pipe is used as the condenser pipe, so that the internal temperature of the large-volume concrete can be reduced. In addition, the steel pipe is used as the condensation pipe, and the metal pipe has better heat conduction performance and can effectively transfer the internal temperature of the large-volume concrete. The connecting piece adopts six-way connecting piece, makes rivers can follow each direction circulation, adopts welded form to be connected between connecting piece and the steel pipe, simultaneously, can control the rivers direction in the steel pipe through the connection port of shutoff connecting piece.
The base below the first guide pipe forms a closed base through the welding disc, so that underground water can be effectively prevented from permeating upwards along the first guide pipe after pouring is finished. And welding a circular ring at the upward 300mm position of the bottom of the vertically arranged first guide pipe to serve as a water stop ring. The position of concrete parcel steel pipe appears the shrinkage crack easily after the concrete sclerosis, can effectively avoid the bottom plate because of the infiltration problem that steel bar support arouses through the waterproof ring as the waterproof measure of second way.
The steel bar support can play a role in supporting the upper steel bar after the lower steel bar of the ultra-thick bottom plate is bound, and the stability of the steel bar support is far greater than that of the steel bar support in the form of a stirrup; simultaneously, combine together steel bar support and condensing system, avoid the inside high temperature because of the heat of hydration of bulky concrete to cause the concrete fracture.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the reinforcing bar support of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic structural view of the connector of the present invention;
fig. 5 is a schematic view of the water flow direction of the present invention.
Labeled as: the water-saving water tank comprises a steel bar support 1, a first guide pipe 11, a second guide pipe 12, a six-way connecting piece 13, a first connecting end 131, a second connecting end 132, a base 14, a water stop ring 15, a plug 16, a water pump 2, a water storage tank 3, a water inlet pipe 4 and a water outlet pipe 5.
Detailed Description
See the drawings. The mass concrete condensation system comprises a steel bar support 1, a water pump 2 and a reservoir 3, wherein the steel bar support 1 consists of a plurality of rectangular units, and the rectangular units are distributed in rows and columns; each rectangular unit is composed of 4 vertically arranged first guide pipes 11 and 8 horizontally arranged second guide pipes 12, the first guide pipes and the second guide pipes are steel pipes, the first guide pipes are connected with the second guide pipes through six-way connecting pieces 13, and the second guide pipes of adjacent rectangular units can be connected through six-way connecting pieces; the six-way connecting piece 13 comprises four horizontal second connecting ends 132 and two vertical first connecting ends 131, so that water can flow in all directions, the first connecting ends are respectively fixed at the upper end and the lower end of the first conduit, and the second connecting ends can fix the second conduit, so that the first conduit and the second conduit are lapped to form a rectangular bracket structure. A base 14 is fixed to the six-way connecting piece at the bottom of the first guide pipe, a closed end is formed below the base through a welding disc, and therefore underground water can be effectively prevented from permeating upwards along the steel pipe after pouring is finished. And a circular ring is welded at the position of 300mm upwards from the bottom of the first conduit to serve as a water stop ring 15.
The second guide pipe at the bottom of the right front of the steel bar support 1 is connected with a water pump 2 through a water inlet pipe 4, and the water pump 2 can enable water flow to flow along one direction through pressurization; the water pump 2 is connected with a reservoir 3, the internal temperature of the large-volume concrete is cooled by circulating water flow, and a second guide pipe at the rear right of the steel bar support 1 is connected with the reservoir 3 through a water outlet pipe 5; the upper end and the lower end of each first guide pipe are respectively connected with the second guide pipes in four directions, namely front, rear, left and right, in order to enable water flow to flow through each first guide pipe, the water flow directions in two adjacent first guide pipes are opposite, and the water paths are of continuous S-shaped structures and are communicated with the second guide pipes above or below along the water flow direction, for example, the top end of each first guide pipe is communicated with the second guide pipe above the right side, the bottom end of each first guide pipe is communicated with the second guide pipe below the left side, or the top end of each first guide pipe is communicated with the second guide pipe above the front side, and the bottom end of each first guide pipe is communicated. In a word, the top end and the bottom end of the first guide pipe are connected with the second guide pipe on different sides of the same plane, so that the first guide pipe becomes a condensation pipe to reduce the internal temperature of the large-volume concrete. The first conduit is not communicated with part of the second conduit, a plug 16 can be arranged on the corresponding connecting end of the six-way connecting piece, and the water flow direction of the condensing system is controlled by plugging the connecting end of the connecting piece.
During installation:
a steel pipe and a connecting piece are built into a steel bar support, the horizontal distance between the support and the first guide pipe is 1500mm, the second guide pipe at the bottom is a sweeping rod and is 200mm away from the bottom, the second guide pipe at the upper part is arranged according to the thickness of an ultra-thick bottom plate, the maximum step distance between the second guide pipes is not more than 1500mm, if the thickness of the bottom plate is more than 200+1500=1700mm, a second guide pipe is additionally arranged, and three layers of second guide pipes are adopted. The bottom of the first conduit is connected with the base; and plugging the port of the steel pipe connecting piece according to the required water flow direction.
And after the steel bar support is erected, the water pump is connected, a passage is formed in the reservoir, whether the water leakage condition exists in the steel bar support is observed through a water test, and if the water leakage condition does not exist, the bottom plate concrete construction can be carried out.
Claims (4)
1. The utility model provides a bulky concrete condensing system who combines steel bar support which characterized in that: the water pump comprises a steel bar support, a water pump and a reservoir, wherein the steel bar support consists of a plurality of rectangular units which are distributed in rows and columns; the rectangular units are composed of first guide pipes which are vertically arranged and second guide pipes which are horizontally arranged, and adjacent rectangular units are connected through connecting pieces; one end of the steel bar support is connected with a water pump through a water inlet pipe, the water pump is connected with a reservoir, and the other end of the steel bar support is connected with the reservoir through a water outlet pipe; the upper end and the lower end of the first guide pipe in the rectangular unit are respectively connected with the second guide pipes on two sides, a water path in the steel bar support is communicated with the water storage tank, the water path is of a continuous S-shaped structure and is communicated with all vertically arranged first guide pipes, the directions of water flows in the two adjacent first guide pipes are opposite, and the second guide pipes below or above the side face are communicated along the direction of the water flows.
2. A bulk concrete condensing system incorporating a rebar bracket as recited in claim 1 wherein: the bottom of the first conduit is provided with a base, and a closed end is arranged below the base; a water stop ring is wound below the first conduit.
3. A bulk concrete condensing system incorporating a rebar bracket as recited in claim 1 wherein: each rectangular unit is composed of 4 vertically arranged first guide pipes and 8 horizontally arranged second guide pipes, and the first guide pipes are connected with the second guide pipes through six-way connecting pieces.
4. A bulk concrete condensing system incorporating a rebar bracket as recited in claim 3 wherein: and only one of the 2 second guide pipes on the same side in each rectangular unit is communicated with the first guide pipes at two ends, and a plug is arranged between the other second guide pipe and the first guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868374.0A CN111892423A (en) | 2020-08-26 | 2020-08-26 | Bulky concrete condensing system who combines steel bar support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868374.0A CN111892423A (en) | 2020-08-26 | 2020-08-26 | Bulky concrete condensing system who combines steel bar support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111892423A true CN111892423A (en) | 2020-11-06 |
Family
ID=73225552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010868374.0A Withdrawn CN111892423A (en) | 2020-08-26 | 2020-08-26 | Bulky concrete condensing system who combines steel bar support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111892423A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457051A (en) * | 2020-11-27 | 2021-03-09 | 中冶建工集团有限公司 | Mass concrete construction process for preventing mass concrete from cracking |
| CN115787651A (en) * | 2022-11-14 | 2023-03-14 | 中铁一局集团有限公司 | Large-volume bearing platform concrete 5G intelligent cold air medium temperature control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009235808A (en) * | 2008-03-27 | 2009-10-15 | Taisei Corp | Concrete slab and construction method therefor |
| CN102704483A (en) * | 2012-02-26 | 2012-10-03 | 成都市第六建筑工程公司 | Method for taking cooling pipe network as building bottom plate multi-layer reinforced support frame |
| CN205296891U (en) * | 2015-12-17 | 2016-06-08 | 周锋 | Concrete steel pipe framework braced system with interior cooling function |
| CN205776234U (en) * | 2016-05-25 | 2016-12-07 | 上海绿地建设(集团)有限公司 | A kind of mass concrete backplanes support cooling structure |
| CN111472358A (en) * | 2020-03-24 | 2020-07-31 | 中国化学工程第三建设有限公司 | Cooling method for interior of mass concrete foundation |
| CN212357073U (en) * | 2020-08-26 | 2021-01-15 | 浙江省三建建设集团有限公司 | Bulky concrete condensing system who combines steel bar support |
-
2020
- 2020-08-26 CN CN202010868374.0A patent/CN111892423A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009235808A (en) * | 2008-03-27 | 2009-10-15 | Taisei Corp | Concrete slab and construction method therefor |
| CN102704483A (en) * | 2012-02-26 | 2012-10-03 | 成都市第六建筑工程公司 | Method for taking cooling pipe network as building bottom plate multi-layer reinforced support frame |
| CN205296891U (en) * | 2015-12-17 | 2016-06-08 | 周锋 | Concrete steel pipe framework braced system with interior cooling function |
| CN205776234U (en) * | 2016-05-25 | 2016-12-07 | 上海绿地建设(集团)有限公司 | A kind of mass concrete backplanes support cooling structure |
| CN111472358A (en) * | 2020-03-24 | 2020-07-31 | 中国化学工程第三建设有限公司 | Cooling method for interior of mass concrete foundation |
| CN212357073U (en) * | 2020-08-26 | 2021-01-15 | 浙江省三建建设集团有限公司 | Bulky concrete condensing system who combines steel bar support |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457051A (en) * | 2020-11-27 | 2021-03-09 | 中冶建工集团有限公司 | Mass concrete construction process for preventing mass concrete from cracking |
| CN112457051B (en) * | 2020-11-27 | 2023-07-25 | 中冶建工集团有限公司 | Large-volume concrete construction process for preventing large-volume concrete from cracking |
| CN115787651A (en) * | 2022-11-14 | 2023-03-14 | 中铁一局集团有限公司 | Large-volume bearing platform concrete 5G intelligent cold air medium temperature control system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201106 |
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| WW01 | Invention patent application withdrawn after publication |