CN105003035B - Construction method and structure of steel ladder of bridge crane of underground factory building - Google Patents
Construction method and structure of steel ladder of bridge crane of underground factory building Download PDFInfo
- Publication number
- CN105003035B CN105003035B CN201510067293.XA CN201510067293A CN105003035B CN 105003035 B CN105003035 B CN 105003035B CN 201510067293 A CN201510067293 A CN 201510067293A CN 105003035 B CN105003035 B CN 105003035B
- Authority
- CN
- China
- Prior art keywords
- steel ladder
- steel
- slab
- ladder
- bridge machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 140
- 239000010959 steel Substances 0.000 title claims abstract description 140
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 239000004567 concrete Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 239000003351 stiffener Substances 0.000 claims description 8
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 238000007569 slipcasting Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Ladders (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a construction method and a structure of an upper bridge machine steel ladder of an underground factory building, which cancels the lattice column for supporting the upper bridge machine steel ladder in the prior art, and utilizes a cantilever supporting beam at the bottom of a steel ladder platform plate as the support of the whole steel ladder; the beam-passing anchor plate at the end part of the cantilever supporting beam is fixedly connected with the exposed end of the anchor rod anchored in the rock wall through a nut; the steel ladder for the bridge crane of the underground powerhouse is more concise in structure by saving a large amount of steel for constructing the lattice column. The steel ladder platform plate beam supporting mode is adjusted from the simple supporting beam anchored on the lattice columns at two ends to the cantilever beam anchored on the rock anchor rod at one end, so that the stability and reliability of the steel ladder structure of the bridge crane on the underground workshop are effectively enhanced, and a large amount of steel for constructing the lattice columns is effectively saved. Practical tests prove that the invention has the advantages of high structure safety and reliability, remarkable economic benefit, convenient construction, beautiful structure and the like, so the invention is very worthy of popularization.
Description
Technical field
The present invention relates to the construction method and structure of bridge machine steel ladder on a kind of underground power house, belong to Hydraulic and Hydro-Power Engineering technology
Field.
Background technology
Bridge machine stair are generally located in clipping room end by rock mass side on current underground power house, most of to add ladder using lattice column
Section plate adds landing slab steel ladder structure again, because the supreme bridge machine platform discrepancy in elevation of clipping room is larger（Major part is in more than 10m）, lattice column
Design need to expend great deal of steel and to avoid flexing unstability, and have ignored Underground powerhouse excavation rock mass can tie as support in itself
Structure.Therefore bridge machine steel ladder constructs mode or not reasonable on existing underground power house.Necessary research is a kind of available
Rock mass as support steel ladder beam supporting construction.
The content of the invention
It is an object of the invention to：A kind of economical rationality is provided, bridge machine on safe and reliable and easy construction underground power house
The construction method and structure of steel ladder, to overcome the deficiencies in the prior art.
The technical proposal of the invention is realized in this way：
The construction method of bridge machine steel ladder is that this method eliminates bridge machine in existing support on a kind of underground power house of the present invention
The lattice column of steel ladder, by the use of steel ladder landing slab bottom cantilever support beam as whole steel ladder support；Cantilever support beam end
Be fixedly connected through beam anchor slab through nut with the anchor pole bared end being anchored in palisades；To save the big dimension for constructing lattice column
Material, makes the structure of bridge machine steel ladder on underground power house more succinct.
In preceding method, this method is constructed according to the following steps：
The first step, after underground power house clipping room is excavated and carries out a phase palisades pneumatically placed concrete and suspension roof support, in steel ladder
Landing slab cantilever support beam portion position cuts the pneumatically placed concrete on palisades, is punched on palisades, anchor pole is inserted in the hole, and in hole
Slip casting will be anchor rod anchored；
Support beam anchor slab is simultaneously connected by second step, embedded support beam anchor slab by anchor pole end thread with anchor pole, using M35
Mortar is levelling to beam anchor slab right；
3rd step, cantilever support beam is welded on beam anchor slab, and stiffener is welded with cantilever support beam and anchor slab respectively；
4th step, lays steel ladder landing slab on cantilever support beam, by support of steel ladder landing slab by oblique steel ladder and straight steel
Terraced one end is welded on cantilever support beam, and the other end is welded on clipping room base plate pre-embedded steel slab or concrete ledge pre-embedded steel slab；
5th step, step plate, railing and straight steel ladder extension handrail and oblique steel ladder are welded.
Bridge machine steel ladder structure on a kind of underground power house of the invention constituted according to the above method, the structure includes being located at rock
The crane girder 13 of the side of wall 16, is provided with upper bridge machine steel ladder between crane girder 13 and clipping room base plate 15；The upper bridge machine steel ladder top
Portion and middle part are provided with steel ladder landing slab 12, and the bottom of steel ladder landing slab 12 is provided with cantilever support beam 1, and the end of cantilever support beam 1 is provided with
Beam anchor slab 2, beam anchor slab 2 is fixedly connected through nut 5 with the bared end of anchor pole 4 being anchored in palisades 16；At the top of upper bridge machine steel ladder
Steel ladder landing slab and the steel ladder landing slab in the middle part of upper bridge machine steel ladder, and steel ladder landing slab and clipping room in the middle part of upper bridge machine steel ladder
Connected between base plate 15 through oblique steel ladder 8, through straight steel ladder 9 between the steel ladder landing slab and the top surface of crane girder 13 at the top of upper bridge machine steel ladder
Connection.
In aforementioned structure, the surface of palisades 16 is provided with pneumatically placed concrete 7.
In aforementioned structure, the steel ladder landing slab 12 is provided with two symmetrically arranged cantilever support beams 1, cantilever support beam 1
Stiffener 3 is provided between end and beam anchor slab 2.
In aforementioned structure, the palisades of the bared end of anchor pole 4 are provided with M35 mortar levellings layer 6.
In aforementioned structure, the oblique edge of steel ladder 8 is provided with guard rail 11.
In aforementioned structure, the edge of crane girder 13 at the straight top of steel ladder 9 is provided with straight steel ladder extension handrail 10.
In aforementioned structure, the palisades 16 at the top of crane girder 13 are externally provided with damp-proofing wall 14.
By adopting the above-described technical solution, the present invention is compared with prior art, the present invention supports steel ladder platform plate-girder
Mode is adjusted to the cantilever beam that one end is anchored on rock mass anchor pole by the simply supported beam being anchored on the lattice column of two ends, and this does not only have
The stability and reliability of bridge machine steel ladder structure on underground power house are enhanced to effect, but also is effectively saved construction lattice column
Great deal of steel.It is of the invention that there is structure security reliability height, remarkable in economical benefits, construction party through actual tests using proving
Just the advantages of, structure is attractive in appearance, thus the present invention highly promote.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing in Fig. 1；
Fig. 3 is the connection diagram of cantilever support beam and anchor pole； 、
Fig. 4 is the structural representation of beam anchor slab.
Mark in accompanying drawing for：1- cantilever supports beam, 2- beams anchor slab, 3- stiffeners, 4- anchor poles, 5- nuts, 6-M35 mortars
Screed-coat, 7- pneumatically placed concretes, the oblique steel ladders of 8-, the straight steel ladders of 9-, the straight steel ladder extension handrails of 10-, 11- guard rails, 12- steel ladder platforms
Plate, 13- crane girders, 14- damp-proofing walls, 15- clipping rooms base plate, 16- palisades.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but not as to any of the present invention
Limitation.
The construction method of bridge machine steel ladder on a kind of underground power house of the present invention, as shown in figure 1, this method eliminates existing branch
The lattice column of bridge machine steel ladder in support, by the use of steel ladder landing slab bottom cantilever support beam as whole steel ladder support；Cantilever branch
Support being fixedly connected through beam anchor slab through nut with the anchor pole bared end being anchored in palisades for beam end；Lattice column is constructed to save
Great deal of steel, makes the structure of bridge machine steel ladder on underground power house more succinct.This method is constructed according to the following steps：The first step, in underground
Factory building clipping room is excavated and carried out after a phase palisades pneumatically placed concrete and suspension roof support, in steel ladder landing slab cantilever support beam portion position chisel
Except the pneumatically placed concrete on palisades, punched on palisades, anchor pole is inserted in the hole, and slip casting will be anchor rod anchored in hole；Second step,
Support beam anchor slab is simultaneously connected by embedded support beam anchor slab by anchor pole end thread with anchor pole, and beam anchor slab is looked for using M35 mortars
Flat pair；3rd step, cantilever support beam is welded on beam anchor slab, and stiffener is welded with cantilever support beam and anchor slab respectively；The
Four steps, lay steel ladder landing slab on cantilever support beam, weld oblique steel ladder and straight steel ladder one end by support of steel ladder landing slab
On cantilever support beam, the other end is welded on clipping room base plate pre-embedded steel slab or concrete ledge pre-embedded steel slab；5th step, will mark time
Plate, railing and straight steel ladder extension handrail are welded with oblique steel ladder.
Bridge machine steel ladder structure on a kind of underground power house of the invention constituted according to the above method, as shown in figure 1, the structure
Including the crane girder 13 positioned at the side of palisades 16, upper bridge machine steel ladder is provided between crane girder 13 and clipping room base plate 15；On described
At the top of bridge machine steel ladder and middle part is provided with steel ladder landing slab 12, and the bottom of steel ladder landing slab 12 is provided with cantilever support beam 1, cantilever support beam
1 end is provided with beam anchor slab 2, and beam anchor slab 2 is fixedly connected through nut 5 with the bared end of anchor pole 4 being anchored in palisades 16；Upper bridge machine steel
The steel ladder landing slab in ladder top portion and the steel ladder landing slab in the middle part of upper bridge machine steel ladder, and the steel ladder landing slab in the middle part of upper bridge machine steel ladder
It is connected between clipping room base plate 15 through oblique steel ladder 8, between the steel ladder landing slab and the top surface of crane girder 13 at the top of upper bridge machine steel ladder
Connected through straight steel ladder 9.The surface of palisades 16 is provided with pneumatically placed concrete 7.Steel ladder landing slab 12 is provided with two symmetrically arranged cantilever supports
Beam 1, is provided with stiffener 3 between the end of cantilever support beam 1 and beam anchor slab 2.The palisades of the bared end of anchor pole 4 are looked for provided with M35 mortars
Flat bed 6.The oblique edge of steel ladder 8 is provided with guard rail 11.The edge of crane girder 13 at the straight top of steel ladder 9 is provided with straight steel ladder extension handrail 10.
The palisades 16 at the top of crane girder 13 are externally provided with damp-proofing wall 14.
Embodiment
By taking Guizhou Province Ma Ya one-level underground workshops as an example：Bridge machine steel ladder total height 11m on clipping room（Without hanging oneself
The straight steel ladder on bicycle beam top）, steel ladder width 0.6m；Each steel ladder landing slab sets 2 cantilever support beams：Length is used for 1.258
Rice 18a channel-section steels, support beam anchor slab uses 300 × 400 × 25mm steel plates, stiffener using 25 ×（40~90）Mm steel plates, with 4
φ 25 three-level steel anchor rod（L=3m, exposed 25cm）Connected by supporting nuts and washers；It is supreme from clipping room floor elevation
Bridge machine drivers' cab elevation uses 45 ° of oblique steel ladders with landing slab, and oblique steel ladder beam uses 18a channel-section steels；From upper bridge machine drivers' cab to rock
Wall crane girder cope level uses straight steel ladder, and bench beam is using the angle steel of L75 × 50 × 5；Railing post and handrail use φ 50
× 3 stainless steel tubes.
4 high lattice columns of 11m, 4 high lattice columns of 6m, every lattice are then needed according to the lattice column steel ladder of prior art
Post needs to need setting lacing L80X6 Bolted angle connections to reinforce every 1m between 4 L180X10mm columns of angles, adjacent two column of angles,
Great deal of steel will be expended.After technical scheme, can significantly saving steel consumption.And architectonic beauty
See.
Claims (2)
1. the construction method of bridge machine steel ladder on a kind of underground power house, it is characterised in that：This method eliminates bridge machine in existing support
The lattice column of steel ladder, by the use of steel ladder landing slab bottom cantilever support beam as whole steel ladder support；Cantilever support beam end
Be fixedly connected through beam anchor slab through nut with the anchor pole bared end being anchored in palisades；To save the big dimension for constructing lattice column
Material, makes the structure of bridge machine steel ladder on underground power house more succinct；This method is constructed according to the following steps：
The first step, after underground power house clipping room is excavated and carries out a phase palisades pneumatically placed concrete and suspension roof support, in steel ladder platform
Plate cantilever support beam portion position cuts the pneumatically placed concrete on palisades, is punched on palisades, anchor pole is inserted in the hole, and the slip casting in hole
Will be anchor rod anchored；
Support beam anchor slab is simultaneously connected by second step, embedded support beam anchor slab by anchor pole end thread with anchor pole, using M35 mortars
It is levelling to beam anchor slab right；
3rd step, cantilever support beam is welded on beam anchor slab, and stiffener is welded with cantilever support beam and anchor slab respectively；
4th step, lays steel ladder landing slab on cantilever support beam, by support of steel ladder landing slab by oblique steel ladder and straight steel ladder one
End is welded on cantilever support beam, and the other end is welded on clipping room base plate pre-embedded steel slab or concrete ledge pre-embedded steel slab；
5th step, step plate, railing and straight steel ladder extension handrail and oblique steel ladder are welded.
2. bridge machine steel ladder structure on a kind of underground power house by claim 1 methods described composition, including positioned at palisades（16）One
The crane girder of side（13）, crane girder（13）With clipping room base plate（15）Between be provided with upper bridge machine steel ladder；It is characterized in that：On described
At the top of bridge machine steel ladder and middle part is provided with steel ladder landing slab（12）, steel ladder landing slab（12）Bottom is provided with cantilever support beam（1）, cantilever
Support beam（1）End is provided with beam anchor slab（2）, beam anchor slab（2）Through nut（5）With being anchored at palisades（16）Interior anchor pole（4）Expose
End is fixedly connected；Steel ladder landing slab and the steel ladder landing slab in the middle part of upper bridge machine steel ladder, and upper bridge machine at the top of upper bridge machine steel ladder
Steel ladder landing slab and clipping room base plate in the middle part of steel ladder（15）Between through oblique steel ladder（8）Steel ladder at the top of connection, upper bridge machine steel ladder
Landing slab and crane girder（13）Through straight steel ladder between top surface（9）Connection；Palisades（16）Surface is provided with pneumatically placed concrete（7）；Steel ladder is put down
Platen（12）Provided with two symmetrically arranged cantilever support beams（1）, cantilever support beam（1）End and beam anchor slab（2）Between be provided with
Stiffener（3）；Anchor pole（4）The palisades of bared end are provided with M35 mortar levellings layer（6）；Oblique steel ladder（8）Edge is provided with guard rail
（11）；Straight steel ladder（9）The crane girder at top（13）Edge is provided with straight steel ladder extension handrail（10）；Crane girder（13）The palisades at top
（16）It is externally provided with damp-proofing wall（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067293.XA CN105003035B (en) | 2015-02-10 | 2015-02-10 | Construction method and structure of steel ladder of bridge crane of underground factory building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510067293.XA CN105003035B (en) | 2015-02-10 | 2015-02-10 | Construction method and structure of steel ladder of bridge crane of underground factory building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105003035A CN105003035A (en) | 2015-10-28 |
| CN105003035B true CN105003035B (en) | 2017-07-11 |
Family
ID=54375877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510067293.XA Active CN105003035B (en) | 2015-02-10 | 2015-02-10 | Construction method and structure of steel ladder of bridge crane of underground factory building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105003035B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106013637B (en) * | 2016-07-22 | 2019-02-26 | 中铁第四勘察设计院集团有限公司 | Subway station L-type staircase structure |
| CN107989448A (en) * | 2017-12-11 | 2018-05-04 | 合肥霞康电子商务有限公司 | A kind of grain depot with side ladder |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561678A (en) * | 2004-03-18 | 2005-01-12 | 潘传瑞 | Plant cultivating groove on cliff and its construction method |
| JP2006265846A (en) * | 2005-03-22 | 2006-10-05 | Matsushita Electric Works Ltd | Decorative method of wall body of cantilever stairs |
| CN101936068A (en) * | 2010-08-27 | 2011-01-05 | 山东高阳建设有限公司 | Method for constructing cliff scaffold platform |
| CN202047408U (en) * | 2011-04-21 | 2011-11-23 | 中国十七冶集团有限公司 | Massif non-damage embedded anchoring device |
| CN102409613A (en) * | 2011-08-17 | 2012-04-11 | 中国十七冶集团有限公司 | Construction method of installing steel girders along the plank road along the mountains and rivers |
| CN103225257A (en) * | 2013-04-09 | 2013-07-31 | 中钢集团马鞍山矿山研究院有限公司 | Cantilever beam structure of antique plank road along cliff and construction technology thereof |
| CN203488088U (en) * | 2013-08-07 | 2014-03-19 | 中国有色集团抚顺红透山矿业有限公司 | Steel structure of ladder compartment for pedestrian courtyard |
| CN203769217U (en) * | 2013-12-31 | 2014-08-13 | 广东南海国际建筑设计有限公司 | Independent cantilever steel structure stair |
-
2015
- 2015-02-10 CN CN201510067293.XA patent/CN105003035B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561678A (en) * | 2004-03-18 | 2005-01-12 | 潘传瑞 | Plant cultivating groove on cliff and its construction method |
| JP2006265846A (en) * | 2005-03-22 | 2006-10-05 | Matsushita Electric Works Ltd | Decorative method of wall body of cantilever stairs |
| CN101936068A (en) * | 2010-08-27 | 2011-01-05 | 山东高阳建设有限公司 | Method for constructing cliff scaffold platform |
| CN202047408U (en) * | 2011-04-21 | 2011-11-23 | 中国十七冶集团有限公司 | Massif non-damage embedded anchoring device |
| CN102409613A (en) * | 2011-08-17 | 2012-04-11 | 中国十七冶集团有限公司 | Construction method of installing steel girders along the plank road along the mountains and rivers |
| CN103225257A (en) * | 2013-04-09 | 2013-07-31 | 中钢集团马鞍山矿山研究院有限公司 | Cantilever beam structure of antique plank road along cliff and construction technology thereof |
| CN203488088U (en) * | 2013-08-07 | 2014-03-19 | 中国有色集团抚顺红透山矿业有限公司 | Steel structure of ladder compartment for pedestrian courtyard |
| CN203769217U (en) * | 2013-12-31 | 2014-08-13 | 广东南海国际建筑设计有限公司 | Independent cantilever steel structure stair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105003035A (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108643544B (en) | High-altitude overhanging construction platform support system and construction method | |
| CN205024907U (en) | Vary joint construction of wide flange I -beam roof beam of prestressing force hollow floor and edge of a wing | |
| CN111779248B (en) | High formwork system and construction method thereof | |
| CN104929364B (en) | Auxiliary construction method for longspan cantilever entire laminated Vierendeel truss structure | |
| CN212507296U (en) | High formwork system | |
| CN201962932U (en) | Sectional cantilevered external scaffolding for building construction | |
| CN103122691A (en) | Tower crane standard knot bearing upper air supporting formwork steel platform structure and construction method | |
| CN104234447B (en) | Deep foundation ditch tool-type hangs stair | |
| CN112854702A (en) | Large-span silo roof construction platform and erection method | |
| CN104989092B (en) | A kind of construction method of high-altitude overhanging superposed type steel truss bearing platform | |
| CN105003035B (en) | Construction method and structure of steel ladder of bridge crane of underground factory building | |
| CN102561689B (en) | Construction method for cantilever lifting scaffold | |
| CN103334580B (en) | Section steel tripod in a kind of overhanging scaffold and connection system for guide rail | |
| CN206319610U (en) | Roof system steel truss slipping and assembling construction platform structure | |
| CN103967332B (en) | The construction method of a kind of building site enclosing | |
| CN105649091A (en) | High slope support method and structure | |
| CN104674997A (en) | Supporting structure of archaized wood structure building roof and construction method thereof | |
| CN209456892U (en) | Cable-stayed bridge steel overhangs structure of sidewalk | |
| CN104831928B (en) | High-altitude long-span concrete conjoined structure shuttering supporting steel platform construction method | |
| CN203034799U (en) | Tower hoist standard knot bearing overhead support formwork steel platform structure | |
| CN205024843U (en) | Joint construction of prestressing force hollow floor and H shaped steel roof beam | |
| CN115162697B (en) | Special-shaped column construction work I-shaped steel cantilever platform and construction method | |
| CN203684102U (en) | Prefabricated girder support system erected at the junction span of the ramp bridge and the main line bridge | |
| CN207079714U (en) | One kind is encorbelmented balcony support system | |
| CN213926982U (en) | Prefabricated coincide floor node structure in board area falls |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |