CN104563483A - Standard steel stairway passage for basements and construction method of standard steel stairway passage - Google Patents
Standard steel stairway passage for basements and construction method of standard steel stairway passage Download PDFInfo
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- CN104563483A CN104563483A CN201410821626.9A CN201410821626A CN104563483A CN 104563483 A CN104563483 A CN 104563483A CN 201410821626 A CN201410821626 A CN 201410821626A CN 104563483 A CN104563483 A CN 104563483A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 69
- 239000010959 steel Substances 0.000 title claims abstract description 69
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000003466 welding Methods 0.000 claims abstract description 18
- 241000282326 Felis catus Species 0.000 claims description 63
- 238000004513 sizing Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 208000037656 Respiratory Sounds Diseases 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 abstract 2
- 239000000463 material Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Ladders (AREA)
Abstract
The invention discloses a standard steel stairway passage for basements and a construction method of the standard steel stairway passage. The standard steel stairway passage comprises angle iron railings, tie bars, checkered steel plates and posts, wherein the angle iron railings are welded on channel steels, welding is adopted by the tie bars and the checkered steel plates, and the posts are fixed by high-strength bolts. The standard steel stairway passage has the characteristics of attractive and elegant appearance, firmness and reliability.
Description
Technical field
The invention belongs to construction engineering technical field, specifically, relate to a kind of basement sizing steel cat ladder passage and construction method thereof.
Background technology
Current domestic construction industry is flourish, basement construction circumstance complication, and long construction period all needs by upper and lower cat ladder when workman is upper and lower.Conventional basement lower channel generally adopts steel pipe scaffold to set up, its advantage be set up simple, cost is low, its shortcoming also clearly simultaneously, (1) basement construction condition is poor, sets up not easily firm, (2) sleet sky, easy skidding, cause potential safety hazard, (3) unsightly, do not meet the requirement of standardization site construction.
Summary of the invention
In order to overcome the defect existed in prior art, the invention provides a kind of elegant in appearance, solid and reliable basement sizing steel cat ladder passage and construction method thereof.Its technical scheme is as follows:
A kind of basement sizing steel cat ladder passage, comprise angle steel railing, lacing wire, checkered steel plate, suspension column, wherein angle steel railing is welded on channel-section steel, and lacing wire, checkered steel plate adopt welding, adopt high-strength bolt to fix between suspension column and suspension column.
Preferably, described basement sizing steel cat ladder passage is of a size of: width: 2 meters, step pitch: 0.2 meter, angle steel rail height: 1.0 meters.
A construction method for basement sizing steel cat ladder passage, comprises the following steps:
Step 1, processing:
1) cat ladder fabrication design, making should in accordance with national standard " code for acceptance of construction quality of steel structures ", the relevant clauses of Ministry of Construction's " construction steel structure welding code " and other relevant specification regulations stipulate performs;
2) mechanical performance of all raw material, welding all needs identical with the mechanical performance of designing requirement, and raw-material quality inspection need be provided to report;
3) welding requirements: weld seam requires smooth, attractive in appearance, throat depth is except drawing indicates, and all the other are identical with weldment thickness and adopt full weld, and weld seam does not have the phenomenons such as crackle, slag inclusion, pore, burning, and surface answers Glabrous to sting;
4) cat ladder just can be primed after should cleaning up acceptance(check) after making, and finish paint color is brushed as requested.
Step 2, cat ladder transport: adopt truck to be transported to appointed place, building site, and adopt tower crane to coordinate artificial, handling is to installation site;
Step 3, cat ladder are installed:
1) steel cat ladder adopts erection method to adopt high-strength bolt to connect, and coxopodite need be arranged on hard basis or in bottom and lay scaffold floor;
2) after cat ladder handling puts in place, adopt tower crane and manually first correct good position, to ensure the smooth-going connection of cat ladder, adopting high-strength bolt will save connection up and down;
Step 4, guard rail are installed
After one section of cat ladder installation, carry out welding guardrail.
Beneficial effect of the present invention:
(1) elegant in appearance, meet the requirement of standardization site construction, (2) set up solid and reliable, (3) platform and step plate adopt checkered steel plate, sleet sky is non-slip, (4) disposable fund input is large, but can reuse, (4) assembling simple and fast.This construction technology is applicable to all kinds of public building and the construction of housing construction basement construction, has good perception effect and environmental suitability.
Accompanying drawing explanation
Fig. 1 is the structure chart of basement sizing steel cat ladder passage;
Fig. 2 is the whole structure figure of basement sizing steel cat ladder passage.
Specific embodiments
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in more detail.
With reference to Fig. 1-Fig. 2, with reference to Fig. 1, a kind of basement sizing steel cat ladder passage, comprise angle steel railing 1, lacing wire 2, checkered steel plate 3, suspension column 4, wherein angle steel railing 1 pre-formed after, be welded on during installation on channel-section steel, lacing wire 2, checkered steel plate 3 adopt welding, and between suspension column 4 and suspension column 4, (standard knot) adopts high-strength bolt to fix.Described basement sizing steel cat ladder passage is of a size of: width: 2 meters, step pitch: 0.2 meter, angle steel rail height: 1.0 meters.The material of described basement sizing steel cat ladder passage: column adopts C120 channel-section steel; L40 angle steel angle steel railing; Step plate and half space adopt checkered steel plate 3.
Braced structures construction material all adopts Q345B steel, and steel yield strength measured value used and tensile strength should not be greater than 0.85, and steel should have significantly surrenders step, and elongation per unit length should not be less than 20%, should have good weldability and qualified impact toughness.All welding rods all should adapt with base metal, and meets the requirement of " construction steel structure welding code " (JGJ81-2002); Bolt is C grade bolt, and performance rate is 4.8 grades, and material is Q235.
Embodiment 1, fabrication and installation
1, steel cat ladder of shaping makes: the sizing cat ladder at producer rear not with angle steel railing makes, and makes (see Fig. 1, Fig. 2) by producer's plan;
(1) cat ladder fabrication design, making should in accordance with national standard " code for acceptance of construction quality of steel structures ", the relevant clauses of Ministry of Construction's " construction steel structure welding code " and other relevant specification regulations stipulate performs;
(2) mechanical performance of all raw material, welding all needs identical with the mechanical performance of designing requirement, and raw-material quality inspection need be provided to report;
(3) welding requirements: weld seam requires smooth, attractive in appearance, throat depth is except drawing indicates, and all the other are identical with weldment thickness and adopt full weld, and weld seam does not have the phenomenons such as crackle, slag inclusion, pore, burning, and surface answers Glabrous to sting;
(4) cat ladder just can be primed after should cleaning up acceptance(check) after making, and finish paint color is according to customer requirement brushing.
2, cat ladder transport: adopt truck to be transported to appointed place, building site, adopt tower crane to coordinate artificial, handling is to installation site
3, cat ladder is installed:
(1) steel cat ladder adopts erection method to adopt high-strength bolt to connect, and coxopodite need be arranged on hard basis or in bottom and lay scaffold floor.
(2) after cat ladder handling puts in place, adopt tower crane and manually first correct good position, to ensure the smooth-going connection of cat ladder, adopting high-strength bolt will save connection up and down.
4, after one section of cat ladder installation, welding angle steel railing is carried out.
Embodiment 2, inspection and examination
The inspection of 2.1 component and fittings and examination
1, the material such as steel plate used, channel-section steel, angle steel should have qualified product to demonstrate,prove;
2, quality inspection should be had to report, material evaluation method should meet the pertinent regulations of existing national standards
3, material specification should meet working drawing requirement
The inspection of 2.2 cat ladders and examination
1, after cat ladder installation, before coming into operation, need carry out an acceptance inspection
2, during cat ladder uses, following items should be made regular check on
1) whether cat ladder joint bar, support loosen;
2) whether each pad loosens;
3, whether safety prevention measure meets the requirements
Embodiment 3, cat ladder install safety management
1, before cat ladder is installed, the requirement should installed by job instruction and relevant cat ladder, confides a technological secret to installation personnel, and material such as reply steel plate, angle steel etc. is inspected for acceptance, and substandard product must not use.
2, cat ladder installation personnel must be worn safety helmet, fasten the safety belt, and wears on-slip shoes.All suffer from hypertension, heart disease, anaemia, tired person and be not suitable for the personnel that ascend a height, must not participate in operation.
3, should stop cat ladder handling when having more than six grades and six grades strong wind and mist, rain, thunder and lightning weather, installing and removing operation, after rain, frost, operation should have non-skid feature.
When 4, cat ladder handling, installation exercise, reply margin of foundation pit loosens thing and may fall thing and carries out clearing up or taking safeguard procedures.
5, cat ladder support member should be laid firmly, and cat ladder and support member should be connected firmly.
When 6, installation, handling, dismounting cat ladder, fence and caution notice should be established in below, and send special messenger to nurse, and forbid in not operation personnel enter.
Embodiment 4, cat ladder instructions for use
1, install before without associating acceptance(check) at cat ladder, must not come into operation.
2, cat ladder must not concentrate the weight stacked and be greater than 1T
3, forbidden to walk on cat ladder when night illumination is not enough.
4, splash the foundation pit deformation situation of cat ladder region, falling rocks situation at any time, initiatively remove the disadvantageous factor of cat ladder in time.Find that there is unsafe situation and sign, should be closed to traffic immediately.Pending inspection, could recover current after solving.
5, cat ladder must not lay the object such as airduct, water pipe.If the electric wire laid must adopt insulant and cat ladder to separate, eliminate potential risk.
The above; be only the present invention's preferably detailed description of the invention; protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the simple change of the technical scheme that can obtain apparently or equivalence are replaced and are all fallen within the scope of protection of the present invention.
Claims (3)
1. a basement sizing steel cat ladder passage, it is characterized in that: comprise angle steel railing, lacing wire, checkered steel plate, suspension column, wherein angle steel railing is welded on channel-section steel, and lacing wire, checkered steel plate adopt welding, adopt high-strength bolt to fix between suspension column and suspension column.
2. basement sizing steel cat ladder passage according to claim 1, is characterized in that: described basement sizing steel cat ladder passage is of a size of: width: 2 meters, step pitch: 0.2 meter, angle steel rail height: 1.0 meters.
3. a construction method for basement sizing steel cat ladder passage, is characterized in that, comprise the following steps:
Step 1, processing:
1) cat ladder fabrication design, making should in accordance with national standard " code for acceptance of construction quality of steel structures ", the relevant clauses of Ministry of Construction's " construction steel structure welding code " and other relevant specification regulations stipulate performs;
2) mechanical performance of all raw material, welding all needs identical with the mechanical performance of designing requirement, and raw-material quality inspection need be provided to report;
3) welding requirements: weld seam requires smooth, attractive in appearance, throat depth is except drawing indicates, and all the other are identical with weldment thickness and adopt full weld, and weld seam does not have the phenomenon of crackle, slag inclusion, pore, burning, and surface answers Glabrous to sting;
4) cat ladder just can be primed after should cleaning up acceptance(check) after making, and finish paint color is brushed as requested.
Step 2, cat ladder transport: adopt truck to be transported to appointed place, building site, and adopt tower crane to coordinate artificial, handling is to installation site;
Step 3, cat ladder are installed:
1) steel cat ladder adopts erection method to adopt high-strength bolt to connect, and coxopodite need be arranged on hard basis or in bottom and lay scaffold floor;
2) after cat ladder handling puts in place, adopt tower crane and manually first correct good position, to ensure the smooth-going connection of cat ladder, adopting high-strength bolt will save connection up and down;
Step 4, guard rail are installed
After one section of cat ladder installation, carry out welding guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821626.9A CN104563483A (en) | 2014-12-25 | 2014-12-25 | Standard steel stairway passage for basements and construction method of standard steel stairway passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821626.9A CN104563483A (en) | 2014-12-25 | 2014-12-25 | Standard steel stairway passage for basements and construction method of standard steel stairway passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104563483A true CN104563483A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410821626.9A Pending CN104563483A (en) | 2014-12-25 | 2014-12-25 | Standard steel stairway passage for basements and construction method of standard steel stairway passage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846596A (en) * | 2021-03-02 | 2021-05-28 | 上海振华重工(集团)股份有限公司 | Straight piece railing manufacturing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351501Y (en) * | 1998-11-05 | 1999-12-01 | 无锡市远东建筑材料公司 | Combined ladder scaffolding |
| EP1031677A2 (en) * | 1999-02-27 | 2000-08-30 | Turner Access Limited | Scaffolding attachment |
| CN201437687U (en) * | 2009-04-27 | 2010-04-14 | 苏州第一建筑集团有限公司 | Instrumental cat ladder for up and down stairs used for construction site |
| US20110088973A1 (en) * | 2009-10-16 | 2011-04-21 | Lung Ching Shih | Ladder apparatus adapted for a scaffold |
| CN203347214U (en) * | 2013-06-04 | 2013-12-18 | 中铁上海工程局有限公司 | Novel portable ladder stand of high speed railway |
| CN203755625U (en) * | 2014-03-25 | 2014-08-06 | 中国建筑第四工程局有限公司 | Concrete pouring platform for use in rotary drilling pile with reversed steel pipe column |
-
2014
- 2014-12-25 CN CN201410821626.9A patent/CN104563483A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351501Y (en) * | 1998-11-05 | 1999-12-01 | 无锡市远东建筑材料公司 | Combined ladder scaffolding |
| EP1031677A2 (en) * | 1999-02-27 | 2000-08-30 | Turner Access Limited | Scaffolding attachment |
| CN201437687U (en) * | 2009-04-27 | 2010-04-14 | 苏州第一建筑集团有限公司 | Instrumental cat ladder for up and down stairs used for construction site |
| US20110088973A1 (en) * | 2009-10-16 | 2011-04-21 | Lung Ching Shih | Ladder apparatus adapted for a scaffold |
| CN203347214U (en) * | 2013-06-04 | 2013-12-18 | 中铁上海工程局有限公司 | Novel portable ladder stand of high speed railway |
| CN203755625U (en) * | 2014-03-25 | 2014-08-06 | 中国建筑第四工程局有限公司 | Concrete pouring platform for use in rotary drilling pile with reversed steel pipe column |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846596A (en) * | 2021-03-02 | 2021-05-28 | 上海振华重工(集团)股份有限公司 | Straight piece railing manufacturing device |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Jianan Inventor after: Xu Yijun Inventor after: He Dongliang Inventor after: Ge Xiaoming Inventor before: Xu Yijun Inventor before: Fan Jianan Inventor before: Ge Xiaoming Inventor before: Xu Dewei Inventor before: Sun Dengsong Inventor before: Huang Fuquan |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |
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| RJ01 | Rejection of invention patent application after publication |