CN103184795B - The concreting method of the large-scale basket body of a kind of water tower - Google Patents
The concreting method of the large-scale basket body of a kind of water tower Download PDFInfo
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- CN103184795B CN103184795B CN201110449767.9A CN201110449767A CN103184795B CN 103184795 B CN103184795 B CN 103184795B CN 201110449767 A CN201110449767 A CN 201110449767A CN 103184795 B CN103184795 B CN 103184795B
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Abstract
The concreting method of the large-scale basket body of a kind of water tower, the template of carrying out water tower basket body on water tower ground sets up assembling, after completing, Integral lifting is in place and carry out the concreting of basket body in high-altitude, it is characterized in that comprising the following steps: the assembling of a water tower basket body template construct and the block placement of b basket body concrete.It is reasonable in design, simple to operate that the concreting method of water tower of the present invention large-scale basket body has making step, improve construction quality, shorten the construction period and reduce the advantage of engineering cost, and breaking a new path for the concrete construction under tropical desert climate environment.
Description
Technical field
The present invention relates to a kind of concreting method of construction work, specifically, is the concreting method of the large-scale basket body of a kind of water tower.
Background technology
Many tall and big water towers supply resident living and industrial water use are had in Kuwait, the symbol of these water towers Cheng Liao Kuwait, also become the large characteristic of Kuwait one and landscape.Retaining water tower pond is a kind of typical steel concrete tower body structure.Fig. 1 is the mushroom-shaped structure water tower elevational schematic view of the embodiment of the present invention, basket body top maximum outside diameter 32.75m, high 12.83m, and so large mushroom-shaped structure is constructed under the environment of high dust storm, and safety is the most important, secondly need possess economically feasible.The construction of traditional Kuwait's water tower major diameter basket body adopts top group decking, assembling reinforcement, concreting, but the duration is longer like this, and top construction anti-blown sand ability before template forms entirety, and this water tower large-scale basket body project is contracted in March, 2010, job location is positioned at Middle East Section Witter, this area's environment is based on tropical desert climate, high temperature is hot all the year round, drought, duration and construction schedule arrangement as agreed, the construction of cylindrical shell is in for 6 ~ October, the period that temperature is the highest in local 1 year, extreme ambient temperature reaches more than 50 DEG C, carry out concrete construction operation with this understanding, great difficulty is brought to construction.Normal conditions concrete construction atmospheric temperature more than 35 DEG C is called the heat phase for superhigh temperature, when temperature reaches the peak in a day, by direct sunlight, the actual temperature of concrete surface is far away higher than atmospheric temperature, evaporation is the vaporization phenomenon occurred at liquid surface, evaporation of water amount and relative humidity are inversely proportional to, and are directly proportional to atmospheric temperature.Now the moisture evaporation of concrete surface, will increase manyfold than the aliquot, easily make the amount of contraction of concrete surface much larger than inside, thus occur crack, serious harm construction quality during concrete engineering.
Therefore there is above-mentioned all inconvenience and problem under the tropical desert climate environment of known Kuwait's water tower form construction technology more than 50 DEG C.
Summary of the invention
Object of the present invention, be to propose a kind of concreting method being suitable for the large-scale basket body of water tower of the tropical desert climate environment of more than 50 DEG C, the template of namely carrying out water tower basket body bottom water-tower body sets up assembling, when water-tower body concrete has the construction technology of the concreting making the formwork integral of water tower basket body promote (inventor is considering the patent of separate case application water tower large-scale basket body formwork integral method for improving at present) in place during some strength and to carry out basket body in high-altitude after the template of water tower basket body completes.
For achieving the above object, technical solution of the present invention is:
A concreting method for the large-scale basket body of water tower, the template of carrying out water tower basket body on water tower ground sets up assembling, and after completing, Integral lifting is in place and carry out the concreting of basket body in high-altitude, it is characterized in that comprising the following steps:
A, water tower basket body template construct are assembled, and comprise following steps:
(1) the water tower basket body gradient is 39.3 degree, basket height 19m, adopt vertical height 3m one deck, make corresponding lightweight girder steel formula sizing exterior sheathing structure: longeron adopts i iron, crossbeam adopts special steel fastener to be combined into steel frame, upper berth plank, completely spreads the thin template of one deck again on plank surface;
(2) after the jacking of water tower basket body puts in place, assembling reinforcement in the external template of basket, treat that reinforcing bar binding completes, and by after supervision companies's inspection accreditation, inner formword steel frame is made into cell, blocks of formwork steel skeleton unit lattice M30 bolt connects, and from bottom, is circumferentially mounted to top piecewise; Described cell is the fan-shaped template steel frame of length 7m, formwork steel skeletal internal inlaid wood template, and wooden form forms at the China fir thin plate that its surface bookbinding 4mm is thick with the plank of 27mm; In the middle of cell wooden form, hole of vibrating is set; The wide PVC baffle plate of 100mm is installed in cell wooden form side, concrete excessive when building to stop;
B, the block placement of basket body concrete, comprise following steps:
(1) the water tower basket body gradient is 39.3 degree, basket height 19m, and adopt vertical height 3m one deck, cell template is every 60 ° with horizontal direction and arranges a hole of vibrating, layering is arranged in order; Often install a module unit erythrophloeum ferdii template, then carry out concreting at this block die head; Cell is the fan-shaped template of length 7m, and the wide PVC baffle plate of 100mm is installed in cell template side, concrete excessive when stop is built; Carry out concrete vibrating by vibrate hole and cell inner formword top after building, and vibrate and need carry out along basket body gradient direction; Limit installation unit erythrophloeum ferdii template, while carry out concrete building;
(2) because basket body concrete builds face for tilting, therefore concrete vibrating direction is also carried out along the direction in the face of building; Concreting direction is for carry out continuous placing along the same direction of basket body; Hole of vibrating is closed immediately after having built;
(3) provide a tower crane and a concrete mixer, tower crane is installed on slidably on track, tower crane height 40m, brachium 42m, arm end biggest lifting capacity 0.8t, the removable length 15m of tower crane, and the device of the suspension bucket lower bands rubber catheter of the 1m × 1m of configure band valve carries out concrete building.
The concreting method of the large-scale basket body of water tower of the present invention can also be further achieved by the following technical measures.
Aforesaid method, wherein said step a(1) in, longeron i iron adopts 160 × 86 × 8 × 6 specification i iron.
Aforesaid method, wherein said step a(1) in, plank is 27mm plank.
Aforesaid method, wherein said step a(2) in, after reinforcing bar binding, reinforcing bar binding allowable variation is every three cell 20mm.
Aforesaid method, wherein said step b(1) in, described in vibrate hole dimension 300 × 300mm.
Aforesaid method, wherein said step b(2) in, in concreting, select the slump to be the concrete of 180mm.
Aforesaid method, wherein said step b(3) in, in adopting the early stage of concreting, tower crane and suspension bucket transport concreting, and the later stage adopts concrete mixer to build.
After adopting technique scheme, the concreting method of the large-scale basket body of water tower of the present invention has the following advantages:
1, making step is reasonable in design, simple to operate;
2, improve construction quality, shorten the construction period, for the concrete construction under tropical desert climate environment breaks a new path;
3, engineering cost is reduced.
Accompanying drawing explanation
Fig. 1 is the mushroom-shaped structure water tower elevational schematic view of the embodiment of the present invention;
Fig. 2 is the basket body-shaping steel template system schematic diagram of the embodiment of the present invention;
Fig. 3 is the formwork steel structural skeleton schematic diagram of the embodiment of the present invention;
Fig. 4 is the cell wooden model schematic diagram of the embodiment of the present invention;
Fig. 5 is that the basket body internal mold of embodiment of the present invention hole of vibrating arranges schematic diagram;
Fig. 6 is the basket body concrete casting direction schematic diagram of the embodiment of the present invention.
In figure: 1 water-tower body cylindrical shell, 2 basket bodies, 3 cell wooden forms, 4 vibrate hole.Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is illustrated further.
The concreting method construction technology process of water tower of the present invention large-scale basket body is as follows:
Basket external mould steel frame installation → basket external mould plank installation → basket external mould lifting → basket external mould installation in position → basket body reinforcing bar binding → basket body internal mold installation → basket body concrete builds the → external mould dismounting of basket body internal mold dismounting → basket body concrete maintenance → basket.
The concreting method of the large-scale basket body of water tower of the present invention, the template of carrying out water tower basket body on water tower ground sets up assembling, and after completing, Integral lifting is in place and carry out the concreting of basket body in high-altitude, it is characterized in that comprising the following steps:
A, water tower basket body template construct are assembled, and comprise following steps:
Fig. 2 is the basket body-shaping steel template system schematic diagram of the embodiment of the present invention, and Fig. 3 is the formwork steel structural skeleton schematic diagram of the embodiment of the present invention.
(1) the water tower basket body gradient is 39.3 degree, basket height 19m, adopt vertical height 3m one deck, make corresponding lightweight girder steel formula sizing exterior sheathing structure: longeron adopts the i iron of 160 × 86 × 8 × 6, crossbeam adopts special steel fastener to be combined into steel frame, upper berth 27mm plank, the China fir thin plate that inner completely paving 4mm is thick; The basket body-shaping steel template system of the embodiment of the present invention is lighter than conventional steel template quality, is conducive to promoting, and meets the construction of this mushroom-shaped architectural image.
Fig. 4 is the cell wooden model schematic diagram of the embodiment of the present invention.
(2) after the jacking of water tower basket body puts in place, assembling reinforcement in the external template of basket, treat that reinforcing bar binding completes, and by after supervision companies's inspection accreditation, inner formword steel frame is made into cell, blocks of formwork steel skeleton unit lattice M30 bolt connects, and from bottom, is circumferentially mounted to top piecewise; Described cell is the fan-shaped template steel frame of length 7m.Formwork steel skeletal internal inlaid wood template.Wooden form forms at the China fir thin plate that its surface bookbinding 4mm is thick with the plank of 27mm; In the middle of cell wooden form, hole of vibrating is set; The wide PVC baffle plate of 100mm is installed in cell wooden form side, concrete excessive when building to stop; After reinforcing bar binding, reinforcing bar binding allowable variation is every three cell 20mm.
B, the block placement of basket body concrete, comprise following steps:
Fig. 5 is that the basket body internal mold pouring hole of the embodiment of the present invention arranges schematic diagram, and Fig. 6 is the basket body concrete casting direction schematic diagram of the embodiment of the present invention.
(1) the water tower basket body gradient is 39.3 degree, basket height 19m, and adopt vertical height 3m one deck, be every 60 ° with horizontal direction and arrange a hole of vibrating, layering is arranged in order; Often install a module unit erythrophloeum ferdii template, then carry out concreting at this block die head.Cell is the fan-shaped template of length 7m, and the wide PVC baffle plate of 100mm is installed in cell template side, concrete excessive when stop is built; Carry out concrete vibrating by vibrate hole and cell inner formword top after building, and vibrate and need carry out along basket body gradient direction; Limit installation unit erythrophloeum ferdii template, while carry out concrete building, meets the condition of the stressed and concrete initial set of major diameter basket body, at utmost ensure that concrete pouring quality.
(2) because basket body concrete builds face for tilting, therefore concrete vibrating direction is also carried out along the direction in the face of building; Concreting direction is for carry out continuous placing along the same direction of basket body; Hole of vibrating is closed immediately after having built.
(3) bench-type number is provided to be 112lc-h Germany product tower crane and a concrete mixer, this tower crane is installed on slidably on track, tower crane height 40m, brachium 42m, arm end biggest lifting capacity 0.8t, the removable length 15m of tower crane, water tower basket body build highly for 35.83m so that concretely to build, consider that lightweight girder steel formula typified form can not bear the concrete impact force of ground transport pump, therefore select a tower crane to transport, and carry out concrete building by the device of the suspension bucket lower bands rubber catheter being with the 1m × 1m of valve; Adopt tower crane and suspension bucket to transport concreting in the early stage of concreting, the later stage adopts concrete mixer to build.
The concreting method of the large-scale basket body of water tower of the present invention, applies, improves construction quality in Kuwait's water tower basket body engineering, and shorten the construction period, result of use is very good, obtains the affirmative of owner and associated companies.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1. a concreting method for the large-scale basket body of water tower, carries out water tower basket body template and sets up assembling on water tower ground, after completing, Integral lifting is in place and carry out the concreting of basket body in high-altitude, it is characterized in that comprising the following steps:
A, water tower basket body template construct are assembled, and comprise following steps:
(1) the water tower basket body gradient is 39.3 degree, basket height 19m, adopt vertical height 3m one deck, make corresponding lightweight girder steel formula sizing exterior sheathing structure: longeron adopts i iron, crossbeam adopts special steel fastener to be combined into steel frame, upper berth plank, completely spreads the thin template of one deck again on plank surface;
(2) after the jacking of water tower basket body puts in place, assembling reinforcement in the external template of basket, treat that reinforcing bar binding completes, and by after supervision companies's inspection accreditation, inner formword steel frame is made into cell, blocks of formwork steel skeleton unit lattice M30 bolt connects, and from bottom, is circumferentially mounted to top piecewise; Described cell is the fan-shaped template steel frame of length 7m, formwork steel skeletal internal inlaid wood template, and wooden form forms at the China fir thin plate that its surface bookbinding 4mm is thick with the plank of 27mm; In the middle of cell wooden form, hole of vibrating is set; The wide PVC baffle plate of 100mm is installed in cell wooden form side, concrete excessive when building to stop;
B, the block placement of basket body concrete, comprise following steps:
(1) the water tower basket body gradient is 39.3 degree, basket height 19m, and adopt vertical height 3m one deck, cell wooden form is every 60 ° with horizontal direction and arranges a hole of vibrating, layering is arranged in order; Often install a module unit erythrophloeum ferdii template, then carry out concreting at this block die head; Carry out concrete vibrating by vibrate hole and cell inner formword top after building, and vibrate and need carry out along basket body gradient direction; Limit installation unit erythrophloeum ferdii template, while carry out concrete building;
(2) because basket body concrete builds face for tilting, therefore concrete vibrating direction is also carried out along the direction in the face of building; Concreting direction is for carry out continuous placing along the same direction of basket body; Hole of vibrating is closed immediately after having built;
(3) provide a tower crane and a concrete mixer, tower crane is installed on slidably on track, tower crane height 40m, brachium 42m, arm end biggest lifting capacity 0.8t, the removable length 15m of tower crane, and the device of the suspension bucket lower bands rubber catheter of the 1m × 1m of configure band valve carries out concrete building.
2. the concreting method of the large-scale basket body of water tower as claimed in claim 1, is characterized in that, described step a(1) in, longeron i iron adopts 160 × 86 × 8 × 6 specification i iron.
3. the concreting method of the large-scale basket body of water tower as claimed in claim 1, is characterized in that, described step a(1) in, plank is 27mm plank.
4. the concreting method of the large-scale basket body of water tower as claimed in claim 1, is characterized in that, described step a(2) in, after reinforcing bar binding, reinforcing bar binding allowable variation is every three cell 20mm.
5. the concreting method of the large-scale basket body of water tower as claimed in claim 1, is characterized in that, described step b(1) in, described in vibrate hole dimension 300 × 300mm.
6. the concreting method of the large-scale basket body of water tower as claimed in claim 1, is characterized in that, described step b(2) in, in concreting, select the slump to be the concrete of 180mm.
7. the concreting method of the large-scale basket body of water tower as claimed in claim 1, is characterized in that, described step b(3) in, adopt tower crane and suspension bucket to transport concreting in the early stage of concreting, the later stage adopts concrete mixer to build.
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| CN201110449767.9A CN103184795B (en) | 2011-12-29 | 2011-12-29 | The concreting method of the large-scale basket body of a kind of water tower |
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| CN201110449767.9A CN103184795B (en) | 2011-12-29 | 2011-12-29 | The concreting method of the large-scale basket body of a kind of water tower |
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| GB1460017A (en) * | 1973-04-12 | 1976-12-31 | Sev K | Methods of erecting bulk liquid storage containers |
| CN2119460U (en) * | 1991-09-28 | 1992-10-21 | 福建省第二建筑工程公司 | Assembled permanent reinforced concrete form |
| CN101736904A (en) * | 2009-12-10 | 2010-06-16 | 中冶实久建设有限公司 | Method for lifting inverted cone shell water tank of reinforced concrete water tower |
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2011
- 2011-12-29 CN CN201110449767.9A patent/CN103184795B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1460017A (en) * | 1973-04-12 | 1976-12-31 | Sev K | Methods of erecting bulk liquid storage containers |
| CN2119460U (en) * | 1991-09-28 | 1992-10-21 | 福建省第二建筑工程公司 | Assembled permanent reinforced concrete form |
| CN101736904A (en) * | 2009-12-10 | 2010-06-16 | 中冶实久建设有限公司 | Method for lifting inverted cone shell water tank of reinforced concrete water tower |
Non-Patent Citations (4)
| Title |
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| "500t水塔倒锥壳水箱整体顶升施工技术";赖晓红;《四川建筑》;20031231;第23卷(第6期);87-88 * |
| "巴东火车站钢筋混凝土倒锥壳伞形水塔施工技术";郭晋平;《西部探矿工程》;20110415;第23卷(第4期);189-192 * |
| "某钢筋混凝土倒锥壳水塔支模设计与施工";黎智坚等;《广东土木与建筑》;20040831(第8期);16-17 * |
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