CN106337537A - Crack-resistant structure applied to outdoor step and main body engineering and construction method thereof - Google Patents
Crack-resistant structure applied to outdoor step and main body engineering and construction method thereof Download PDFInfo
- Publication number
- CN106337537A CN106337537A CN201610781707.XA CN201610781707A CN106337537A CN 106337537 A CN106337537 A CN 106337537A CN 201610781707 A CN201610781707 A CN 201610781707A CN 106337537 A CN106337537 A CN 106337537A
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- China
- Prior art keywords
- agent structure
- perron
- reinforcement
- cover
- main body
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/104—Treads
- E04F11/116—Treads of stone, concrete or like material or with an upper layer of stone or stone like material, e.g. ceramics, concrete; of glass or with an upper layer of glass
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a crack-resistant structure applied to an outdoor step and main body engineering and a construction method thereof. The structure comprises a step foundation, a steel bar protection layer, step steel bars and step concrete, wherein the step foundation is connected with a main body structure; the steel bar protection layer is paved on the step foundation; a wedge-shaped groove is formed in a junction of the steel bar protection layer and the main body structure; the step steel bars are arranged on the steel bar protection layer and are anchored in the main body structure; the step concrete is poured on the step steel bars and is combined with the main body structure. Based on selection of anchoring positions of step steel bar mesh pieces on the main body structure, the wedge-shaped groove is formed in the junction of the step steel bar protection layer and the main body structure; an expansion joint is artificially arranged in a junction of upper decoration surface layers so as to ensure that the end of the step is also allowed to sink in the sinking process of the step along the whole ground; the root just has slight rotation due to the restraining actions of the steel bars, and the deformation is low; the problem that cracks are generated because the height difference between the step and the main body structure is greater than that required by the design when the outdoor step and the main body structure unevenly sink is solved.
Description
Technical field
The present invention relates to the realm of building construction, the crack resistence structure of more particularly, to a kind of perron and major project and its
Construction method.
Background technology
Perron, as the main doorway of construction unit, is also the main image position of a construction unit, but
Under coastal and weak soil geological conditions, do not do the step basis of pile foundation process under step, most of step can be with outdoor overall
Land subsidence, causes perron and the situation of agent structure differential settlement to occur, in this regard, in the case of least cost, solution
Certainly coastal and weak soil geological conditions is got out of a predicament or an embarrassing situation and agent structure differential settlement is a weight currently needing both at home and abroad to solve
Want technical barrier.
Content of the invention
The technical problem to be solved be provide a kind of perron and major project crack resistence structure and its
Construction method, can be prevented effectively from perron caused by the differential settlement of agent structure for the perron big face cracking and ask
Topic, thus ensure function and the aesthetic of perron.
For realizing above-mentioned technique effect, the invention discloses a kind of perron and the crack resistence structure of major project, wrap
Include:
Step basis, is connected with agent structure；
Cover to reinforcement, on the basis of being layed in described step, described cover to reinforcement is provided with the junction of agent structure
Wedge-shaped slot；
Step reinforcing bar, is arranged on described cover to reinforcement and is anchored in agent structure；And
Step concrete, is poured on described step reinforcing bar and is combined with agent structure.
Described perron is further improved by with the crack resistence structure of major project, is filled with described wedge-shaped slot
Foam or extruded sheet.
Described perron is further improved by with the crack resistence structure of major project, and described step reinforcing bar is anchoring
Individual layer reinforced mesh in agent structure.
Described perron is further improved by with the crack resistence structure of major project, and described step reinforcing bar is bilayer
Reinforced mesh, the top bars including the lower floor's reinforced mesh being anchored in agent structure and above described lower floor reinforced mesh
Mesh sheet, described top bars mesh sheet is disconnected with agent structure.
Described perron is further improved by with the crack resistence structure of major project, also includes step decorative layer,
It is incorporated on described step concrete, and be provided with expansion joint between described step decorative layer and agent structure.
The invention also discloses the crack resistence construction method of a kind of perron and major project, including step:
Construction step basis outside agent structure；
Lay cover to reinforcement on the basis of step, wedge shape is set in the junction of described cover to reinforcement and agent structure
Groove；
Step reinforcing bar is set on described cover to reinforcement, by described step Bar Anchorage in agent structure；And
Pour step concrete on described step reinforcing bar.
Described perron is further improved by with the crack resistence construction method of major project, is described step steel
Before step concrete is poured on muscle, also include: filled and process or extruded sheet in described wedge-shaped slot.
Described perron is further improved by with the crack resistence construction method of major project, in be set forth in step base
Lay on plinth in the step of cover to reinforcement, also include:
In surrounding or the dark beam of middle setting of the upper surface on step basis, described dark beam is tied with described cover to reinforcement phase
Close, described wedge-shaped slot is set in the junction of described dark beam and agent structure.
Described perron is further improved by with the crack resistence construction method of major project, also includes:
In pouring setting step decorative layer on the step concrete completing, between described step decorative layer and agent structure
Reserved expansion joint.
Described perron is further improved by with the crack resistence construction method of major project, is set forth in pour and completes
Step concrete on arrange step decorative layer step, comprising:
Decorative cover binder course is arranged on step concrete；
Architectural surface is arranged on described decorative cover binder course.
The present invention is due to employing above technical scheme so as to have the advantages that based on by step bar-mat reinforcement
The selection of piece and agent structure anchorage point, step cover to reinforcement is arranging wedge-shaped slot with agent structure junction, and top
Architectural surface artificially arranges expansion joint in junction, to ensure the end of step step during with overall land subsidence
Also allow, but root is because there being an effect of contraction of reinforcing bar, only slight rotation, and deformation very little, artificially set at deformation
Put straight joint, the destruction that Reducing distortion causes to step and interior decoration surface layer；If step larger can in the periphery of step and
The dark beam of middle setting, to increase the integral rigidity of step；The thickness of step and arrangement of reinforcement should calculate according to the load that step bears.
Brief description
Fig. 1 is the schematic diagram of perron of the present invention and the crack resistence structure of major project.
Fig. 2 is the construction process figure of perron of the present invention and the crack resistence construction method of major project.
Fig. 3～Fig. 5 is the Construction State schematic diagram of perron of the present invention and the crack resistence construction method of major project.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further detailed explanation.
First, refering to shown in Fig. 1, the crack resistence structure of a kind of perron of the present invention and major project and its construction method
It is mainly used in solving the discrepancy in elevation between step that perron and agent structure differential settlement cause and agent structure and be more than design
Require and reduce the phenomenon generation that perron architectural surface is pulled off destruction.The crack resistence knot of this perron and major project
Structure is mainly made up of step basis 11, cover to reinforcement 12, step reinforcing bar 13, step concrete 14 and step decorative layer 15.
Step basis 11 is connected with agent structure 10, complete in the main partitioned project of construction unit and tube net outside engineering construction
Bi Hou, this step basis 11 of constructing outside agent structure, backfilled by design requirement and be compacted.
Cover to reinforcement 12 can be arranged at the upper surface on step basis 11, in this steel using pouring bed course or paving metalling
Tendon protective layer 12 is provided with wedge-shaped slot 16 with the junction of agent structure 10, and this wedge-shaped slot 16 is elongated along the sideline of agent structure 10
Setting.The rectangular triangle in cross section of this wedge-shaped slot 16, hypotenuse corresponds to cover to reinforcement, and a right-angle side is resisted against reinforcing bar
On step basis 11 below protective layer, another right-angle side is resisted against the side edge of agent structure 10.And the height of this wedge-shaped slot 16
Degree adapts to the thickness of cover to reinforcement 12, formed between cover to reinforcement 12 and agent structure 10 together with isolate wedge each other
Shape tabula.
Step reinforcing bar 13 is arranged on cover to reinforcement 12 and is anchored in agent structure 10.Step reinforcing bar 13 be in room
The junction section of outer step and agent structure 10 is just support on the top position of the fulcrum of wedge-shaped slot 16, and due to step reinforcing bar 13
Anchor into agent structure 10, therefore, formed in this boundary position hinged, so that step reinforcing bar 13 is hinged with agent structure 10, from
And making perron during with overall land subsidence, the end of step allows a certain degree of sinking, without
Have influence on agent structure, and root is because there being an effect of contraction of step reinforcing bar, only slight rotation, and deform very little.
Step concrete 14 is poured on step reinforcing bar 13 and is combined with agent structure 10, is pouring step concrete 14
Before, filled and process or extruded sheet typically in wedge-shaped slot 16, it is beneficial to the rotational deformation of ledge structure and agent structure, be allowed to structure
Become articulated structure.
Step decorative layer 15 is incorporated on step concrete 14, and the connection in this step decorative layer 15 and agent structure 10
Place is provided with elongated expansion joint 17, and the sedimentation and deformation reducing ledge structure with agent structure is made to step and interior decoration surface layer
The destruction becoming.This step decorative layer 15 is made up of a decorative cover binder course 151 and an architectural surface 152 further, and decorative cover is tied
Close the upper surface that layer 151 is incorporated into step concrete 14, architectural surface 152 is layed on decorative cover binder course 151, expansion joint 17
It is arranged on the junction of architectural surface 152 and agent structure 10.
If perron is larger, can set in the periphery of the upper surface on the step basis 11 of perron and/or centre
Put dark beam 18, dark beam 18 is combined with step protective layer 12, and equally will set in the junction of dark beam 18 and agent structure 10
Put above-mentioned wedge-shaped slot 16, form articulated structure, to increase the integral rigidity of perron, the thickness of perron and arrangement of reinforcement answer root
To calculate according to the load that step bears.
Wherein, step reinforcing bar 13, according to the size of perron and the load bearing, may be selected configuration double steel bar
Mesh sheet or individual layer reinforced mesh, the bar diameter of double steel bar mesh sheet or individual layer reinforced mesh will be according to the stress shape of perron
Condition, to select, if configuration double steel bar mesh sheet, that is, comprises lower floor's reinforced mesh 131 setting up and down and top bars mesh sheet
132, now corresponding for lower floor's reinforced mesh 131 reinforcing bar to be anchored into agent structure 10, and the phase by top bars mesh sheet 132
Reinforcing bar is answered to disconnect with agent structure 10, as shown in figure 1, will be downward for the reinforcing bar of the close agent structure 10 of top bars mesh sheet 132
Bending, is disconnected with agent structure.Reserved wedge-shaped slot 16 is arranged on the bottom of lower floor's reinforced mesh 131, in lower floor's reinforced mesh
Form articulated structure, to ensure that perron has certain length during integral sinking between 131 and agent structure 10
Rotatable effect.Should disconnect in the architectural surface 152 of perron and agent structure junction, to ensure that architectural surface 152 exists
It is not pulled off during perron minor rotation, it is to avoid impact decorative effect.
When step reinforcing bar is configured to individual layer reinforced mesh, the relative reinforcing bar of this individual layer reinforced mesh is anchored into body junction
Structure, and wedge-shaped slot is set in the cover to reinforcement with the junction of agent structure for this individual layer reinforced mesh, make this individual layer reinforcing bar
Form articulated structure between mesh sheet and agent structure.
A kind of perron of the present invention is based on by step reinforced mesh and body junction with the crack resistence structure of major project
The selection of structure anchorage point, step cover to reinforcement is arranging wedge-shaped slot with agent structure junction, and upper decoration surface layer exists
Junction artificially arranges straight joint, to ensure that the end of step step during with overall land subsidence also allows,
But root is because there being an effect of contraction of reinforcing bar, only slight rotation, and deform very little, straight joint is artificially set at deformation, reduces
Deform the destruction that step and interior decoration surface layer are caused.Can be dark in the periphery of step and middle setting if step is larger
Beam, to increase the integral rigidity of step.The thickness of step and arrangement of reinforcement should calculate according to the load that step bears.
The present invention mainly adopts the lower rebar of the step connected mode hinged with agent structure, to reduce the sinking of step
The destruction to step architectural surface for the deformation.Shown in cooperation Fig. 2～5, the crack resistence construction method of this perron and major project,
The mainly following construction procedure of inclusion:
S001: construction step basis outside agent structure；
After the main partitioned project of construction unit and tube net outside engineering construction finish, start perron is applied
Work, first has to handle step basis 11 well, is backfilled by design requirement and be compacted, as shown in Figure 3.
S002: lay cover to reinforcement on the basis of step, wedge is set in the junction of cover to reinforcement and agent structure
Shape groove；
Pour bed course or spread metalling, construction reinforced bar protective layer 12, and in this cover to reinforcement 12 and agent structure 10
The elongated wedge-shaped slot 16 of junction setting, general filled and process or the extruded sheet before pouring concrete of step of wedge-shaped slot 16, with
Beneficial to the rotational deformation of ledge structure and agent structure, make articulated structure, as shown in Figure 4.
S003: step reinforcing bar is set on cover to reinforcement, by step Bar Anchorage in agent structure；
Step reinforcing bar 13 is set on the top of cover to reinforcement, such as step reinforcing bar 13 adopts double steel bar mesh sheet, then upper strata
Reinforced mesh 132 should disconnect with agent structure 10 connecting portion, and lower floor's reinforced mesh 131 anchors into agent structure 10, and
It is provided with above-mentioned elongated wedge-shaped slot 16, as Fig. 5 institute at lower floor's reinforced mesh 131 and the cover to reinforcement of agent structure 10 anchoring
Show.
S004: step concrete is poured on step reinforcing bar；
According to design requirement, pour the step concrete 14 of relative altitude, step concrete 14 wants vibration compacting when pouring,
It is combined with each other and be integrated with cover to reinforcement 12, step reinforcing bar 13, wedge-shaped slot 16 and agent structure 10, as shown in Figure 5.
S005, in pouring on the step concrete completing setting step decorative layer, step decorative layer and agent structure it
Between reserved expansion joint.
Should may include: further in pouring the step that step decorative layer is arranged on the step concrete completing
The decorative cover binder course 151 of step decorative layer 15 is arranged on step concrete 14；
Architectural surface 152 is set on this decorative cover binder course 151, between this architectural surface 152 and agent structure 10
Reserved expansion joint 17.
Should arrange at the hinged position of step and agent structure in architectural surface 152 Deepen Design of step decorative layer 15
Elongated expansion joint 17, is beneficial to micro-strain herein, and architectural surface 152 is not destroyed, as shown in Figure 1.
Further, if perron is larger, can be in the surrounding of perron and/or the dark beam of middle setting, to increase
Plus the integral rigidity of perron.Therefore, lay in the step of cover to reinforcement on the basis of the step at this, also include:
In surrounding or the dark beam of middle setting of the upper surface on step basis, dark beam is made to combine with cover to reinforcement, and
In the junction of dark beam and agent structure, above-mentioned wedge-shaped slot equally will be set, so that the step reinforcing bar above this junction and main body
Form articulated structure between structure.
The crack resistence construction method of a kind of perron of the present invention and major project treats the main partitioned project of unit, outdoor pipe
After net Practical Completion, then implement the construction of perron engineering, for ensureing the globality of step, the based process below step should
Meet design requirement, and double-deck or individual layer reinforced mesh, mesh sheet will be configured in the bed course of step according to the size of step
Bar diameter to be selected according to step force-bearing situation, if configuration double steel bar mesh sheet, lower floor's reinforcing bar will anchor into body junction
Structure, top bars mesh sheet should disconnect with agent structure, and lower protective layer and agent structure should stay wedge-shaped slot, to ensure that step exists
Rotating effect during integral sinking.Should disconnect with agent structure junction decorative cover in step, to ensure decorative cover in platform
It is not pulled off during rank minor rotation, it is to avoid impact decorative effect.Solve perron and agent structure differential settlement
The discrepancy in elevation between the step causing and agent structure is more than design requirement and minimizing perron architectural surface is pulled off showing of destruction
As occurring, it is to avoid occur with agent structure junction sinking situation.
Above in association with drawings and Examples, the present invention is described in detail, those skilled in the art can basis
Described above makes many variations example to the present invention.Thus, some details in embodiment should not constitute limitation of the invention,
The present invention is by the scope being defined using appended claims as protection scope of the present invention.
Claims (10)
1. a kind of perron and the crack resistence structure of major project are it is characterised in that include:
Step basis, is connected with agent structure；
Cover to reinforcement, on the basis of being layed in described step, described cover to reinforcement is provided with wedge shape with the junction of agent structure
Groove；
Step reinforcing bar, is arranged on described cover to reinforcement and is anchored in agent structure；And
Step concrete, is poured on described step reinforcing bar and is combined with agent structure.
2. perron as claimed in claim 1 and major project crack resistence structure it is characterised in that: in described wedge-shaped slot
It is filled with foam or extruded sheet.
3. perron as claimed in claim 1 and major project crack resistence structure it is characterised in that: described step reinforcing bar
For being anchored in the individual layer reinforced mesh of agent structure.
4. perron as claimed in claim 1 and major project crack resistence structure it is characterised in that: described step reinforcing bar
For double steel bar mesh sheet, including the lower floor's reinforced mesh being anchored in agent structure be located at upper above described lower floor reinforced mesh
Layer reinforced mesh, described top bars mesh sheet is disconnected with agent structure.
5. perron as claimed in claim 1 and major project crack resistence structure it is characterised in that: also include step dress
Decorations layer, is incorporated on described step concrete, and is provided with expansion joint between described step decorative layer and agent structure.
6. a kind of perron and the crack resistence construction method of major project are it is characterised in that include step:
Construction step basis outside agent structure；
Lay cover to reinforcement on the basis of step, wedge-shaped slot is set in the junction of described cover to reinforcement and agent structure；
Step reinforcing bar is set on described cover to reinforcement, by described step Bar Anchorage in agent structure；And
Pour step concrete on described step reinforcing bar.
7. perron as claimed in claim 6 and the crack resistence construction method of major project are it is characterised in that be described
Before step concrete is poured on step reinforcing bar, also include: filled and process or extruded sheet in described wedge-shaped slot.
8. perron as claimed in claim 6 and the crack resistence construction method of major project are it is characterised in that be set forth in
Lay on the basis of step in the step of cover to reinforcement, also include:
In surrounding or the dark beam of middle setting of the upper surface on step basis, described dark beam is combined with described cover to reinforcement,
Described dark beam arranges described wedge-shaped slot with the junction of agent structure.
9. perron as claimed in claim 6 and the crack resistence construction method of major project are it is characterised in that also include:
In pouring setting step decorative layer on the step concrete completing, reserved between described step decorative layer and agent structure
Expansion joint.
10. perron as claimed in claim 7 and the crack resistence construction method of major project are it is characterised in that be set forth in
Pour the step that step decorative layer is arranged on the step concrete completing, comprising:
Decorative cover binder course is arranged on step concrete；
Architectural surface is arranged on described decorative cover binder course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781707.XA CN106337537B (en) | 2016-08-31 | 2016-08-31 | The crack resistence structure and its construction method of perron and major project |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781707.XA CN106337537B (en) | 2016-08-31 | 2016-08-31 | The crack resistence structure and its construction method of perron and major project |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106337537A true CN106337537A (en) | 2017-01-18 |
| CN106337537B CN106337537B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610781707.XA Active CN106337537B (en) | 2016-08-31 | 2016-08-31 | The crack resistence structure and its construction method of perron and major project |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644696A (en) * | 2019-08-22 | 2020-01-03 | 华恒建设集团有限公司 | Soft soil foundation outdoor step structure and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247646A (en) * | 1994-03-09 | 1995-09-26 | Shimizu Corp | Staircase structure |
| DE19537977A1 (en) * | 1995-10-12 | 1997-04-17 | Gefinex Gmbh | Side plastering method for landing on flight of steps |
| CN203257015U (en) * | 2013-05-11 | 2013-10-30 | 王镛 | Marble step |
| CN204418555U (en) * | 2014-12-29 | 2015-06-24 | 深圳市华阳国际工程设计有限公司 | The connection seam construction that a kind of precast stair plate is installed |
| CN205348697U (en) * | 2015-12-29 | 2016-06-29 | 山东科技大学 | Prevent aproll that ftractures |
-
2016
- 2016-08-31 CN CN201610781707.XA patent/CN106337537B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07247646A (en) * | 1994-03-09 | 1995-09-26 | Shimizu Corp | Staircase structure |
| DE19537977A1 (en) * | 1995-10-12 | 1997-04-17 | Gefinex Gmbh | Side plastering method for landing on flight of steps |
| CN203257015U (en) * | 2013-05-11 | 2013-10-30 | 王镛 | Marble step |
| CN204418555U (en) * | 2014-12-29 | 2015-06-24 | 深圳市华阳国际工程设计有限公司 | The connection seam construction that a kind of precast stair plate is installed |
| CN205348697U (en) * | 2015-12-29 | 2016-06-29 | 山东科技大学 | Prevent aproll that ftractures |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110644696A (en) * | 2019-08-22 | 2020-01-03 | 华恒建设集团有限公司 | Soft soil foundation outdoor step structure and construction method thereof |
| CN110644696B (en) * | 2019-08-22 | 2020-12-11 | 华恒建设集团有限公司 | Soft soil foundation outdoor step structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106337537B (en) | 2019-01-22 |
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Effective date of registration: 20200528 Address after: 300457 no.2599 Binhe Road, Tanggu, Binhai New District, Tianjin Patentee after: Tianjin Construction Engineering Co., Ltd. of China Construction Eighth Engineering Bureau Address before: 200122 Shanghai, China (Shanghai) free trade zone, Century Avenue, No. 27, layer 1568, layer Patentee before: CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION Co.,Ltd. |
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