CN102677895A - Suspended formwork pouring method for concrete foundation steps - Google Patents
Suspended formwork pouring method for concrete foundation steps Download PDFInfo
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- CN102677895A CN102677895A CN2012101258435A CN201210125843A CN102677895A CN 102677895 A CN102677895 A CN 102677895A CN 2012101258435 A CN2012101258435 A CN 2012101258435A CN 201210125843 A CN201210125843 A CN 201210125843A CN 102677895 A CN102677895 A CN 102677895A
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Abstract
The invention relates to a suspended formwork for concrete foundation steps and a suspended formwork pouring method for pouring concrete foundation steps by using the suspended formwork. The suspended formwork comprises one or a plurality of formwork racks, each formwork rack comprises at least one longitudinal beam and a plurality of structural units distributed along the longitudinal beams in turn, each structural unit comprises a vertical formwork rack for mounting a vertical formwork and an inclined strengthening rib for fixing the vertical formwork rack, one end of the vertical formwork rack is fixedly connected with the longitudinal beam, and the two ends of the inclined strengthening rib are fixedly connected with the longitudinal beam and the vertical formwork rack respectively to form a steady triangular structure. The method comprises the following steps: (1) leveling up and tamping a foundation; (2) mounting a suspended formwork; and (3) pouring concrete foundation steps by use of the suspended formwork fabricated in step (2). The suspended formwork provided by the invention has the advantages of simple structure, accurate positioning and easiness in operation, and can be repeatedly used. The steps constructed using the method provided by the invention have the advantages of regular structure, esthetic appearance, high strength, and greatly improved quality.
Description
Technical field
The present invention relates to a kind of mould that hangs, in particular for the mould that hangs of concreting footing step, also relate to adopt that this kind hang that mould carries out the concrete foundation step hang the mould casting method, be used for building of concrete foundation step.
Background technology
Step belongs to the building structure that has decoration functions concurrently, in various building structure, is serving as considerable role, as usually decorating in vertical the processing at each garden landscape engineering and interior architecture or because various step appears in the needs of function.Rank, piece Shitai County are normally set up piece stone and are formed on the step basis, for rank, piece Shitai County, building of basis, rank, piece Shitai County is extremely important, and its structure and intensity directly influence the outward appearance and the intensity on rank, piece Shitai County.
Fig. 1 shows the structure on rank, existing piece Shitai County; It normally builds the concrete foundation bed course 2 substantially parallel with foundation surface on ground 1 domatic; On this concrete foundation bed course, lay and the close cement mortar setting course 3 of piece Shitai County rank contour structures that will build then, then piece stone 4 is layed on this cement mortar setting course.In said structure,, belong to the foundation pad of ramp type because the concrete foundation bed course is parallel with foundation surface; Therefore, its intensity is lower, in use usually problems such as step subsides can occur; And the bond strength of the foundation pad of ramp type and cement mortar setting course is low, is prone to the slippage dislocation; Simultaneously, difficult for the positioning control of cement mortar setting course, the normal inaccurate defective in location that occurs; Not only bad for the lay-up operation of piece stone, and, need under piece stone, fill a large amount of cement mortar; Both be unfavorable for guaranteeing the mechanical strength of step, also in the cement mortar setting course, sneaked into foreign material such as stone, brick simultaneously easily, the structure and the equal deleterious impact of intensity of step.
Summary of the invention
In order to overcome the above-mentioned defective of prior art; The object of the present invention is to provide a kind of concrete foundation step hang mould with adopt that this hangs that mould carries out the concrete foundation step hang the mould casting method, this hangs mould and can be used in building of concrete foundation step, and simple to operate; Especially the location that helps the concrete foundation step; Make that water the concrete foundation step that builds up conforms to the contour structures that will build the step of building, help the laying of follow-up step, and the profile of the step after guaranteeing to build up, structure is regular, attractive in appearance; This method can be used in building of concrete foundation step; And can obtain high-intensity concrete foundation step, and can improve the bearing capacity of building the step after building, can also reduce the consumption of the cement mortar in the cement mortar setting course; Can improve simultaneously the adhesion of cement mortar setting course, help improving the bulk strength of building the step after building.
The main technical schemes that the present invention adopts is:
A kind of mould that hangs that is used for the concreting footing step; Comprise one or several mould bases; Said mould bases comprises the element of construction that the said longeron of at least one longeron and a plurality of edge distributes successively; Said element of construction comprises the vertical template frame and the oblique reinforcing rib that is used for fixing said vertical template frame that is used to install vertical template; One end of said vertical template frame is fixedly connected with longeron, and the two ends of said oblique reinforcing rib are fixedly connected with vertical template frame with said longeron respectively, form firm triangular structure between the three.
Be preferably; Said mould bases also comprises the anchor pricker that is used for fixing said longeron, and an end of said anchor pricker is used for anchoring into ground, and the other end is used for exposing and extending upward from said ground; To adjust the fixed installation height of said longeron; The quantity of said anchor pricker is one or several, when more than one, along the bearing of trend distribution of longeron.
Above-mentioned any described mould that hangs that is used for the concreting footing step, said longeron is parallel to the domatic of ground, and the plane that said vertical template frame, oblique reinforcing rib and longeron three constitute is perpendicular to said vertical template.
Be preferably; The material of said vertical template frame, oblique reinforcing rib and longeron is reinforcing bar, steel pipe and/or batten; Three's material is preferably identical; The bar template that said vertical template adapts for the facade with the step that will build, said bar template is wooden template of bar shaped or bar shaped steel template.
What the present invention also provided a kind of concrete foundation step hangs the mould casting method, comprises the steps: (1) gradient leveling ground according to the step that will build, is preferably the compacting of leveling back; (2) hang mould according to the structure setting of the said step that will build, the said mould that hangs can be above-mentioned any described mould that hangs that is used for the concreting footing step; (3) hang mould concreting footing step according to what step (2) was made.
The concrete steps of said step (2) can be a, make said mould bases according to the dimensional structure of the said step that will build; B locatees the said mould bases that step a makes according to the dimensional structure of the said step that will build on ground; C installs said vertical template according to the dimensional structure of the said step that will build on the mould bases that step b has good positioning, said vertical template is fixed on the vertical template frame.
The concrete technology of step b can be the relevant position that said mould bases is positioned at ground according to the step dimension structure and the dimensional structure of vertical template; In ground, anchor into said anchor pricker as required, adjust the level altitude of said mould bases on the anchor pricker according to step dimension.
In order to strengthen the intensity of vertical template, be preferably, the stiffener that bondage has twice to distribute up and down on the said vertical template, the length of said stiffener is preferably the distance that is not less than between adjacent two mould bases.
Above-mentioned any described concrete foundation step hang the mould casting method, be preferably, the concrete foundation step after building carries out health or does not carry out health, the upper surface of the said concrete foundation step after building is equipped with face brick.
Said face brick is preferably granite block stone.
Be preferably; Be provided with the cement mortar setting course between said face brick and the said concrete foundation step; Said face brick on the adjacent level step overlaps each other, builds to be mixed with in the employed concrete of said concrete foundation step or not to be mixed with Admixture, is preferably and is mixed with corrosion inhibitor.
The invention has the beneficial effects as follows:
The mould that hangs of the present invention has been realized building of concrete foundation step through specific mould bases structure, and simple to operate, even can formulate the corresponding standard working specification; Especially the assembling that helps the location of mould bases and hang mould; Simultaneously, through anchor pricker adjustment, the fixedly installation site and the height of longeron, also help the installation accuracy of the vertical template of assurance; For the structure and the appearance and size that guarantee step are had laid a good foundation, regular, the good looking appearance of ledge structure after feasible the building up;
The mould that hangs of the present invention can be reused, and the interstructural difference that can build the step of building as required assembles mould bases accordingly and can meet the demands, and has wide range of applications;
According to method concreting footing step of the present invention; Make the structure of watering the concrete foundation step that builds up conform to the structure that will build the step of building; Improved the intensity and the structural stability of concrete foundation step,, overcome not enough, the givey shortcoming of ramp type bed course underlying strength in the prior art for the step of building after building provides stronger supporting role; Improved and built the bearing capacity of building backward step, prolonged application life;
Simultaneously, the structure of concrete foundation step has also strengthened its supporting role to the cement mortar setting course, has improved the bond strength of the two; Reduced the slippage dislocation of the two; Reduce the consumption of cement mortar simultaneously, and improved the adhesion of cement mortar setting course, improved the bond strength of concrete foundation step and face brick; Improved the bulk strength of building the step after building; In the cement mortar setting course, mix the possibility of foreign material such as rocking, brick when also having avoided operation simultaneously,, even can stone, the brick the like waste of job site be carried out suitable twice laid even mixed inserting such as stone, brick are not also had adverse effect to the intensity and the structure of building the step after building in the concrete foundation step basically; Both practice thrift resource, reduced the cost of refuse disposal again.
Description of drawings
Fig. 1 is the cross-sectional structure sketch map that prior art is built the step after building;
Fig. 2 is the cross-sectional structure sketch map that hangs an embodiment of mould of the present invention;
Fig. 3 is the local enlarged diagram of Fig. 2;
Fig. 4 is the cross-sectional structure sketch map that method of the present invention is built an embodiment step of building up.
The specific embodiment
, through the specific embodiment the present invention is described in more detail the present invention in order better to explain below in conjunction with accompanying drawing so that better understand.
Referring to Fig. 2 and Fig. 3; The invention provides a kind of mould that hangs that is used for the concreting footing step; Comprise one or several mould bases 7; Said mould bases comprises the element of construction that at least one longeron 70 and the said longeron in a plurality of edges distribute successively, and said element of construction comprises the vertical template frame 71 and the oblique reinforcing rib 72 that is used for fixing said vertical template frame that is used to install vertical template 8, and an end of said vertical template frame is fixedly connected with longeron; The two ends of said oblique reinforcing rib are fixedly connected with vertical template frame with said longeron respectively, form firm triangular structure between the three.
The quantity of said longeron can be 1 or 3, and said 3 longerons edge bench face of position separately extends upward, and can be positioned at same plane, also can not in same plane, can be provided with suspension ring on the said longeron, with convenient lifting.Said template frame can be by two crossbeams and some two ends are welded in the frame construction that the vertical beam on the said upper and lower crossbeam constitutes respectively up and down; The said crossbeam shape that can be in line; Also can become curve-like or other shapes; Adapting to the shape need of step, said template is connected the inboard (side of joints cement) of the template frame of said frame construction through bolt, the connected mode of said template frame and said longeron can for said top rail be welded on said longeron below.
Be preferably, said mould bases also comprises the anchor pricker 73 that is used for fixing said longeron, and an end of said anchor pricker is used for anchoring into ground, and the other end is used for exposing and extending upward from said ground, to adjust the fixed installation height of said longeron.
The quantity of said anchor pricker is one or several.When more than one, can be evenly or uneven distribution along the bearing of trend of longeron.
Above-mentioned any described mould that hangs that is used for the concreting footing step, the longeron of said mould bases can perpendicular to or be parallel to the bearing of trend setting of step.
When vertically being provided with, said longeron is parallel to the domatic setting of ground, and the plane that said vertical template frame, oblique reinforcing rib and longeron three constitute is perpendicular to said vertical template (referring to Fig. 2 and Fig. 3);
When laterally arranging, said longeron is parallel to the bearing of trend setting of step, plane and said vertical template coplane or parallel that said vertical template frame, oblique reinforcing rib and longeron three constitute.
When the longeron of said mould bases is provided with perpendicular to the bearing of trend of step, be preferably the closer to the distribution of the said anchor pricker in domatic top of said ground intensive more, with accuracy that improves the location and the steadiness that strengthens mould bases.
The material of said mould bases can be reinforcing bar, steel pipe and/or wooden material; Be preferably; Said vertical template frame, oblique reinforcing rib and longeron are reinforcing bar, steel pipe and/or batten; Three's material is preferably identical, the bar template that said vertical template adapts for the facade with the step that will build, and said bar template can be wooden template of bar shaped or bar shaped steel template.
For example, said vertical template can be that 150mm is high, and the wooden template of the bar shaped that 15mm is thick, the length of the wooden template of said bar shaped are pressed actual needs and set, and the shape of length direction is complementary with the profile of the bearing of trend of the concrete foundation step that will build; Said longeron can be the reinforcing bar of Φ 18mm, and the domatic length of length and ground adapts, can be long for 800mm, so that constructing operation; Said vertical template frame and oblique reinforcing rib can be the reinforcing bar of Φ 10mm, and the part on the two and the said longeron constitutes equilateral triangle; Said anchor pricker can be the reinforcing bar of Φ 18mm, and length can be 700mm.
Referring to Fig. 4, what the present invention also provided a kind of concrete foundation step hangs the mould casting method, comprises the steps: (1) gradient leveling ground 1 according to the step that will build, is preferably the compacting of leveling back; (2) hang mould according to the structure setting of the said step that will build, the said mould that hangs can be above-mentioned any described mould that hangs that is used for the concreting footing step; (3) hang mould concreting footing step 5 according to what step (2) was made.
The concrete steps of said step (2) can be a, make said mould bases according to the dimensional structure of the said step that will build; B locatees the said mould bases that step a makes according to the dimensional structure of the said step that will build on ground; C installs said vertical template according to the dimensional structure of the said step that will build on the mould bases that step b has good positioning.
Said vertical template is fixed on the vertical template frame, and the height and the size of each position detected in fixing back, guarantees that the installation site of vertical template conforms to designing requirement.
The concrete technology of step b can be the relevant position that said mould bases is positioned at ground according to the step dimension structure and the dimensional structure of vertical template; In ground, anchor into said anchor pricker as required, adjust the level altitude of said mould bases on the anchor pricker according to step dimension.
Can mould bases be tied up admittedly on the anchor pricker, and move up and down mould bases to suitable height, guarantee that the middle part of mould bases or longeron is curved down.
In order to strengthen the intensity of vertical template, be preferably, bondage has the stiffener 74 that twice distribute up and down on the said vertical template, and the length of said stiffener is preferably the distance that is not less than between adjacent two mould bases.For example, can be 800mm between adjacent two mould bases, said stiffener can be long for 1000mm～2000mm.
Above-mentioned any described concrete foundation step hang the mould casting method; Be preferably; Concrete foundation step after building carries out health or does not carry out health; Said concrete foundation step is concrete structure or reinforced concrete structure, and the upper surface of the said concrete foundation step after building is equipped with face brick 9.
The concrete structure of said concrete foundation step and the thickness of reinforced concrete structure are preferably and are not less than 120mm.
Reinforcing bar in the said reinforced concrete structure can be the reinforcing bar of Φ 20mm.
The concrete foundation step is built the back demoulding in good time, as can the demoulding after concrete reaches the standard of solidifying.
Be preferably, the said face brick on the adjacent level step overlaps each other.
Be preferably, be provided with cement mortar setting course 6 between said face brick and the said concrete foundation step.
Said cement mortar setting course is preferably the dry cement mortar, can be 1:3 dry cement mortar.Be preferably the thick 1:3 dry cement mortar of 50mm.
Method of the present invention has been saved the consumption of cement mortar; And improved the adhesion of cement mortar, improved the intensity of step, and; Usually can not sneak into foreign material such as stone, brick in the cement mortar of a small amount of, thin layer construction, avoid the adverse effect of this kind foreign material step intensity.
Said face brick is preferably granite block stone.For example can be the granite block stone that is of a size of 1000mm * 500mm * 150mm.
Usually, the dry cement mortar setting course and the concrete foundation step of the suitable thickness of the upper surface of said granite block stone through being layed in said concrete foundation step are combined into one.The height of the said granite block stone preferably level high (being the difference in height between the adjacent level step) with said concrete foundation step is identical or close; The width of said granite block stone is greater than the step width of said concrete foundation step; Be layed in the front end of the granite block stone on the upper level step; Just push down the rear end of the granite block stone that is layed on the next stage step, form described mutual overlap joint.
The main flow process of an embodiment who hangs the mould casting method of concrete foundation step of the present invention is:
(1) smooth compacting foundation;
(2) assembling reinforcing bar mould bases;
(3) prepare the wooden template of bar shaped,, strengthen the intensity and the toughness of the wooden template of bar shaped at the upper and lower bondage twice Φ 10mm reinforcing bar of the wooden template of bar shaped;
(4) position and the height of spacer bars mould bases on ground is domatic arranged a plurality of reinforcing bar mould bases by the distance of 800mm between adjacent mould bases;
(5) corresponding three Φ 18mm of reinforcing bar mould bases, the anchor pricker of long 700mm, hammer are gone in the ground, tie up admittedly with corresponding reinforcing bar mould bases again, move up and down the height and position of adjustment reinforcing bar mould bases, guarantee that the middle part of reinforcing bar mould bases is curved down;
(6) the wooden template of bar shaped of installation steps (3) preparation, and detect each position height and size;
(7) concreting footing step and health;
(8) face brick and cleaning are installed, to dispose unnecessary clout and rubbish, waste material etc.
Usually, build and to be mixed with in the employed concrete grout of said concrete foundation step or not to be mixed with Admixture, be preferably and be mixed with corrosion inhibitor, to improve the application life of concrete foundation step.
The preparation prescription and the preparation method of said corrosion inhibitor are respectively:
Preparation prescription (mass parts):
Polycarboxylate water-reducer 100
Sodium lignin sulfonate 12
Hydrogen peroxide 3
Organic acid 32
Amino alcohol 15
Organic metal salt 0.6
Silicone defoaming agent 1.6
Water 270
Said polycarboxylate water-reducer is acrylic acid-big monomer of itaconic acid-propenoic acid methoxyl group polyoxy glycol, and said organic acid is an acrylic acid, and said amino alcohol is to the hydroxyl cyclohexylamine, and said organic metal salt is a zinc dialkyl dithiophosphate.
The preparation method:
Above-mentioned each component mixed to add in the entry successively get final product.
Sneak in the concrete grout during use and get final product, the ratio of sneaking into is no more than 3.5% of concrete gross weight.
Hanging mould structure of the present invention is simple, accurate positioning, and easy operating, and can reusing hangs that the mould casting method builds that the ledge structure of building is regular, good looking appearance, intensity be high, and the step quality is improved significantly.
Claims (10)
1. mould that hangs that is used for the concreting footing step; It is characterized in that comprising one or several mould bases; Said mould bases comprises the element of construction that the said longeron of at least one longeron and a plurality of edge distributes successively; Said element of construction comprises the vertical template frame and the oblique reinforcing rib that is used for fixing said vertical template frame that is used to install vertical template, and an end of said vertical template frame is fixedly connected with longeron, and the two ends of said oblique reinforcing rib are fixedly connected with vertical template frame with said longeron respectively.
2. the mould that hangs according to claim 1; It is characterized in that said mould bases also comprises the anchor pricker that is used for fixing said longeron, an end of said anchor pricker is used for anchoring into ground, and the other end is used for exposing and extending upward from said ground; To adjust the fixed installation height of said longeron; The quantity of said anchor pricker is one or several, when more than one, along the bearing of trend distribution of longeron.
3. the mould that hangs according to claim 1 and 2 is characterized in that said longeron is parallel to the domatic of ground, and the plane that said vertical template frame, oblique reinforcing rib and longeron three constitute is perpendicular to said vertical template.
4. the mould that hangs according to claim 3; The material that it is characterized in that said vertical template frame, oblique reinforcing rib and longeron is reinforcing bar, steel pipe and/or batten; Three's material is preferably identical; The bar template that said vertical template adapts for the facade with the step that will build, said bar template is wooden template of bar shaped or bar shaped steel template.
A concrete foundation step hang the mould casting method, it is characterized in that comprising the steps: (1) gradient leveling ground according to the step that will build, be preferably the compacting of leveling back; (2) hang mould according to the structure setting of the said step that will build, the said mould that hangs is the described mould that hangs of each claim in the claim 1,2,3 or 4; (3) hang mould concreting footing step according to what step (2) was made.
6. method according to claim 5 is characterized in that the concrete steps of said step (2) are: a, make said mould bases according to the dimensional structure of the said step that will build; B locatees the said mould bases that step a makes according to the dimensional structure of the said step that will build on ground; C installs said vertical template according to the dimensional structure of the said step that will build on the mould bases that step b has good positioning.
7. method according to claim 6 is characterized in that the concrete technology of step b is: the relevant position that said mould bases is positioned at ground according to the step dimension structure and the dimensional structure of vertical template; In ground, anchor into said anchor pricker as required, adjust the level altitude of said mould bases on the anchor pricker according to step dimension.
8. method according to claim 7 is characterized in that the stiffener that bondage has twice to distribute up and down on the said vertical template, and the length of said stiffener is not less than the distance between adjacent two mould bases.
9. according to claim 5,6,7 or 8 described methods, the concrete foundation step after it is characterized in that building carries out health or does not carry out health, and the upper surface of the said concrete foundation step after building is equipped with face brick.
10. method according to claim 9; It is characterized in that being provided with the cement mortar setting course between said face brick and the said concrete foundation step; Said face brick on the adjacent level step overlaps each other, builds in the employed concrete of said concrete foundation step and is mixed with or is not mixed with Admixture.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210125843.5A CN102677895B (en) | 2012-04-26 | 2012-04-26 | Suspended formwork pouring method for concrete foundation steps |
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| CN201210125843.5A CN102677895B (en) | 2012-04-26 | 2012-04-26 | Suspended formwork pouring method for concrete foundation steps |
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| CN104110132A (en) * | 2014-07-07 | 2014-10-22 | 中国五冶集团有限公司 | Adjustable combined stairway steel formwork for high-rise building and assembling method thereof |
| CN108019037A (en) * | 2017-12-21 | 2018-05-11 | 珠海华海置业有限公司 | Closed template |
| WO2018135935A1 (en) * | 2017-01-19 | 2018-07-26 | Charur Manllo Lizbeth | System and frame for constructing a step and stairs |
| CN112663954A (en) * | 2021-01-26 | 2021-04-16 | 山西三建集团有限公司 | Method for erecting vertical face template of cast-in-place concrete super-long step bench |
| CN113107176A (en) * | 2021-05-24 | 2021-07-13 | 中国十九冶集团有限公司 | Method for erecting slope operation platform with various gradients |
| CN114482054A (en) * | 2022-01-07 | 2022-05-13 | 北京城建五建设集团有限公司 | Inclined surface mattress layer pouring mold system and construction method |
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| CN108019037A (en) * | 2017-12-21 | 2018-05-11 | 珠海华海置业有限公司 | Closed template |
| CN112663954A (en) * | 2021-01-26 | 2021-04-16 | 山西三建集团有限公司 | Method for erecting vertical face template of cast-in-place concrete super-long step bench |
| CN112663954B (en) * | 2021-01-26 | 2022-02-11 | 山西三建集团有限公司 | Method for erecting vertical face template of cast-in-place concrete super-long step bench |
| CN113107176A (en) * | 2021-05-24 | 2021-07-13 | 中国十九冶集团有限公司 | Method for erecting slope operation platform with various gradients |
| CN114482054A (en) * | 2022-01-07 | 2022-05-13 | 北京城建五建设集团有限公司 | Inclined surface mattress layer pouring mold system and construction method |
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| CN102677895B (en) | 2015-04-08 |
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Denomination of invention: Pouring method of hanging formwork for concrete foundation steps Effective date of registration: 20201118 Granted publication date: 20150408 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING ZEHO WATERFRONT ECOLOGICAL ENVIRONMENT TREATMENT Corp. Registration number: Y2020990001357 |