CN101581122A - Cast-in-place hollow floor with hidden protecting fume exhaust ductwork - Google Patents
Cast-in-place hollow floor with hidden protecting fume exhaust ductwork Download PDFInfo
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- CN101581122A CN101581122A CNA2009101439759A CN200910143975A CN101581122A CN 101581122 A CN101581122 A CN 101581122A CN A2009101439759 A CNA2009101439759 A CN A2009101439759A CN 200910143975 A CN200910143975 A CN 200910143975A CN 101581122 A CN101581122 A CN 101581122A
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Abstract
The invention relates to a cast-in-place hollow floor with a hidden protecting fume exhaust ductwork, in particular to a system for indoor ventilation by utilizing a building hollow floor. The proposal adopts a cast-in-place hollow floor built by hollow thin wall cases and utilizes a communicated pipeline to communicate each hollow thin wall case in the floor so as to form a hidden protecting fume exhaust channel; the lower part of a indoor thin wall case of the building is provided with an air outlet which is communicated with the hidden protecting fume exhaust channel; by utilizing an exhaust opening of the hidden protecting fume exhaust channel, the indoor fume and gas can be exhausted outside, and the outdoor fresh air also can be introduced into the room; and by additionally utilizing a smoke extractor, the exhausting effect can be increased or strengthened. The proposal solves the problem that an air conduit is installed additionally in the room, reduces the cost, enlarges the using space of the room, and increases a solution when a fire occurs.
Description
Technical field
The present invention relates to a kind of building fire-fighting smoke evacuation and change wind system, relate to a kind of thin-wall box body of building hollow floor system inside that utilizes specifically and form the device that smoke evacuation is taken a breath.
Background technology
Aspect the anti-smoke evacuation of building constructions such as basement parking lot, underground people's air defense chamber, office building, megastore in fixing fire fighting device at present, general all is to adopt independent smoke control system device, utilization is installed in the independently special-purpose anti-smoke discharging pipe in superstructure below, anti-induced-draft fan is formed, need to install and to expend a large amount of tubing, and the erosion of easily getting rusty of the anti-smoke discharging pipe of the galvanized sheet iron of installing is mashed; The anti-smoke discharging pipe of the perspex steel of installing has solved and has got rusty, but fireproof performance own is poor; Install the anti-smoke discharging pipe of FRIM solved the problem of the fireproof performance difference of itself, but bring quality heavy and because of returning the halogen moisture regain, easily wear out.Use any anti-smoke exhaust pipe road all to reduce the building usage space and increased the building deadweight and bring potential safety hazard and a large amount of maintenance and expenses, building itself is not made full use of.
The applicant is 02282207.0 at its application number; 200810115294.7, a kind of building constructions mode of cast-in-situ open-web floor disclosed in 200810133186.2 apply for a patent, wherein utilize a plurality of hollow thin-wall box bodies to be installed in the superstructure, between thin-wall box body, utilize steel bar concrete casting to form girt strip, the bottom surface of also laying distributing bar and thin-wall box body in the upper end of thin-wall box body is equipped with the lining thing of gauze wire cloth one class to form top flange plate, the bottom wing listrium of superstructure, this scheme can make the weight of building floor reduce greatly, and the seismic crack performance is good.The applicant is in application number is 200910131643.9 application, on the basis of above-mentioned superstructure, further make improvement, this scheme utilizes pipeline to connect between each thin-wall box body, makes whole superstructure become the device of an energy circulation and storage, and is more perfect to the utilization of superstructure.
Summary of the invention
To change the wind system cost big in order to solve the independent special-purpose fire-fighting smoke evacuation of building, the problem that the story height space reduces, make further improvement on the basis that the applicant proposes a plan in front, a kind of high efficiency is proposed, low-cost, safe and reliable, quick and convenient, improve and utilize the space, make full use of the thin-wall box body that forms hollow floor system, connection by different modes is combined into hidden protecting fume exhaust ductwork, this programme is in the following way: a kind of cast-in-situ open-web floor with hidden protecting fume exhaust ductwork, described dark anti-smoke discharging pipe is positioned at hollow floor system, described hollow floor system comprises thin-wall box body; the girder between the thin-wall box body; girt strip; the top flange plate of thin-wall box body top; the bottom wing listrium of below; the side of described thin-wall box body has two intercommunicating pores at least; described each thin-wall box body forms dark anti-smoke discharging pipe by the interface channel that inserts adjacent both sides intercommunicating pore in superstructure; its improvement is; described dark anti-smoke vent comprises the inlet scoop; air outlet; described inlet scoop is directly opened at building floor bottom wing listrium and with thin-wall box body in the superstructure and is communicated with, and described control is prevented secretly that the induced-draft fan of the interior gas communication of smoke discharging pipe hangs and is installed on the indoor superstructure base plate or on the wall.
Another optimal way of this programme: the interface channel external surface between described thin-wall box body and the thin-wall box body all seals, and the interface channel between the described thin-wall box body connects with the form of series, parallel or multiple-series.
Another optimal way of this programme: described interface channel passes girder or girt strip, described interface channel adopts pipe or square tube or special pipe, described each interface channel length＜300mm that passes girt strip, described each interface channel length＜1200mm that passes reinforced concrete girder, described each interface channel length＜500mm that passes the steel reinforced concrete girder, the diameter of described interface channel or length of side height≤girder height-85mm or girt strip height-85mm.
An optimal way again of this programme: the plate outer surface of described thin-wall box body has three camber projectioies at least, its height of camber projection≤19 millimeters, 100mm≤camber length≤300mm.
The another optimal way of this programme: described thin-wall box body has a plurality of and adopts the cast-in-place global formation of composite cement mortar or sheet material assembling formation.
An also optimal way of this programme: described dark anti-smoke discharging pipe uses as changing the wind passage when changing wind outdoor.
Another optimal way of this programme: there is a plurality of and balanced being distributed in the building floor bottom wing listrium that needs anti-smoke evacuation and the superstructure on the thin-wall box body described inlet scoop, is distributed with the dark smoke vents of organizing in the described superstructure more.
The present invention can keep Stability Analysis of Structures at cast-in-situ open-web floor, improve on the basis of seismic crack, utilize the characteristics of the thin-wall box body hollow in the superstructure, utilize pipeline to be connected together them and form smoke evacuation, admission line, utilize the smoke alarm of installing, can be when having fire alarm to take place, when spraying extinguish material, start automatically and be installed in the anti-induced-draft fan of pipeline terminal, and air outlet is directly opened below superstructure; on the thin-wall box body; a plurality of air outlets that can distribute in the room, by anti-induced-draft fan the flue gas that air outlet sucks in is discharged by air outlet by dark anti-row's passage.Native system also can utilize anti-induced-draft fan to be entered in the room by air outlet by dark anti-row's passage from the air outlet air draught, carries out the indoor wind that changes.This programme can utilize connecting pipe to be communicated with the thin-wall box body of diverse location in the superstructure, to form a plurality of irrelevant dark anti-row's passages of disturbing, when the space is big in the room, can form a plurality of different, all directions into and out of exhaust gases passes.
Description of drawings
Fig. 1 cast-in-situ open-web floor schematic diagram
Thin-wall box body schematic bottom view in Fig. 2 cast-in-situ open-web floor
Thin-wall box body series connection schematic diagram in Fig. 3 cast-in-situ open-web floor
Thin-wall box body schematic diagram in parallel in Fig. 4 cast-in-situ open-web floor
Thin-wall box body multiple-series schematic diagram in Fig. 5 cast-in-situ open-web floor
Connecting pipe different shape schematic diagram between Fig. 6 this programme thin-wall box body
The thin-wall box-body cast-in-place mould schematic diagram of Fig. 7 this programme
The another kind of thin-wall box-body cast-in-place mould of Fig. 8 this programme schematic diagram
The specific embodiment
As shown in Figure 1, cast-in-situ open-web floor and inner thin-wall box body schematic diagram, thin-wall box body 2, top flange plate 3, girt strip 6, the bottom wing listrium 4 of superstructure 1 in the middle of comprising; thin-wall box body 2 has a plurality of and adopts compound cement cast-in-place or be made of the sheet material assembling; the base plate of thin-wall box body 2 has camber projection 8 its height≤19 millimeters; 100mm≤camber length≤300mm, and the arc convex 8 on its base plate has three cambers at least, and preferential prerequisite is for keeping the balance purpose.Have relative following hole and last hole on the base plate of thin-wall box body and the top cover, the following hole on the base plate is connected 50mm≤straight warp or the length of side≤180mm with last hole on the top cover by sealing penetrating via 5.Superstructure bottom wing listrium is directly passed in the inlet scoop 10 of this programme, thin-wall box body 2 is connected room air dark anti-discharge flue direct and in the superstructure, and thin-wall box body side machining hole is used for the adjacent two edge and thin-wall boxes connection of girt strip.The present invention is described further below in conjunction with accompanying drawing.
The thin-wall box body 2 that this programme uses can adopt makes sheet material or the direct cast-in-place mode of making whole box body respectively, adopts " copy and follow the example of " or " slurry flowing process " or " vacuum water sucker making " technology when thin-wall box body 2 is made respectively.
As shown in Figure 7, the cast-in-place thin-wall box body of this programme is made in the following ways: when cast with top side template 15A, top template 11A, following side form piece 15D and soffit formwork 12A connect into a row with connector 14 successively, make a protruding 13A on the soffit formwork 12A on demand, left side template 15C, right side template 15B puts aside separately, concrete mortar is spread one deck earlier on mould, put one or more layers cloth then on demand, fibre or nonwoven come the intensity of stiffener, again remaining concrete mortar is spread, in smearing the process of slurry, carry out microseismic activity, strengthen the density between the concrete mortar, when the concrete mortar initial set, soffit formwork 12A and the following avris template of top template 11A 15D are turned up for supporting the bottom surface, the top side template 15A that folds up and the limit of soffit formwork 12A are linked together with connector 8, form the four sides framework of member, the outside of initial set is smeared the penetrating via mould 6C of concrete mortar and lining thing, insert the hole 5A on top template 11A and the soffit formwork 12A, in the 5B, then with the joint compacting, again left side template 15C and right side template 15B are bumped into the member framework and allow in it mutually the concrete mortar at edge directly glues together, after concrete mortar solidifies fully, remove penetrating via mould 5C successively, top side template 15A, top template 11A, soffit formwork 12A, left side template 15C, right side template 15B, take away and solidify good thin-wall box body, finish the cavity member operation of producing once.
As shown in Figure 8, another kind of manual method is:
1, flat board 31 is placed on around the casing below the boxing 30, dull and stereotyped 31 and casing around smearing composite mortar cementitious material and glass cloth on the boxing 30, form pentahedron;
2, will be coated with compound mortar gel material material and glass cloth on the template 32 with camber and middle hole with holes again, treat the initial set state; Make run-through channel with round mould 33 in the centre position of the dull and stereotyped mould of pentahedron again;
3, allow the run-through channel die cap pass hole then and cover on all around, make both composite mortar cementitious material glued joint the back integrally curing;
4, remove band multi sphere type and middle hole with holes template 3233, framework boxing 30, making run-through channel garden pattern 33 all around, obtain the thin-wall box body of global formation.
As shown in Figure 1, 2, the cast-in-situ open-web floor mode that this programme is made is elder generation's layer overlay anticracking material on the superstructure template, as gauze wire cloth or glass fabric, press design drawing then and arrange the reinforcing bar of girt strip 6, settle thin-wall box body 2 between the girt strip reinforced net that girt strip 6 forms in length and breadth; the base plate of thin-wall box body is placed on the anticracking material of superstructure, the form with series, parallel or multiple-series shown in Fig. 3,4,5 connects the interface channel 7 between the thin-wall box body 2.As shown in Figure 6, wherein A, B, C show that interface channel 7 adopts pipe or square tube or special pipe, pass each interface channel 7 length＜300mm of girt strip 6, described each interface channel length＜1200mm that passes girder, the diameter of described interface channel or the length of side≤girder or girt strip height-80mm.Again concrete mortar is infiltrated the thin-wall box body bottom surface fully by the passage between the projection on the base plate, under the sharp pounding of building shock club, make concrete mortar be circulated into base plate and mobile to base plate center connecting pipe 5 from the outer all around of thin-wall box body, the thickness of the height of base plate camber projection 8 and superstructure bottom wing listrium 4 thinnest parts is identical and less than 19 millimeters, for preventing the concrete mortar leakiness between base plate and the construction formwork, can from the connecting pipe between thin-wall box body top board and the base plate 5, inject concrete mortar, to build shock club simultaneously and vertically insert sharp pounding in the connecting pipe 5, allow concrete mortar again to diffusion all around, concrete mortar is under the effect of building shock club, combine closely and form bottom wing listrium 4, the bottom wing listrium 4 that obtains is smooth, smooth, then concrete mortar pumps in the framework of thin-wall box body 2 and girt strip 6 formation in batches, closely knit with the vibrations of building shock club, form voided layer and top flange plate 3 at last, with top flange plate 3 surface level levellings.Before the concrete mortar cast pre-pipe laying is placed in the girt strip 6, when pouring into a mould, floats, must carry out anti-floating and handle for preventing thin-wall box body 2, utilize iron wire to penetrate at the bottom of the mould, be fixed on the bracing frame, inlet scoop 10 can just be stayed when making thin-wall box body, also can cut when building is fitted up.
This programme is in installing cast-in-situ floor during the connecting pipe 7 between the thin-wall box body 2, by mode and the designing requirement of using the room, between the thin-wall box body 2 of superstructure 1, form different dark anti-discharge flues, each secretly anti-discharge flue comprises an air outlet 9, one or more inlet scoops 10, air outlet 9 is opened at the outdoor connector place of dark anti-discharge flue, can be connected with outdoor discharge flue, also can be connected with the air exchange system of whole building.The soffit at superstructure 1 is opened in inlet scoop 10, directly communicate with thin-wall box body 2 inside, what of inlet scoop are relevant with factors such as the size in the size of building, room, use crowds, each inlet scoop 10 can be connected with a dark anti-discharge flue separately, also can on a dark anti-discharge flue, open a plurality of air outlets, smoke extractor can be installed on the dark anti-discharge flue, also can be installed in outdoorly to be connected with air outlet by air-breathing/insufflation channel.
The secretly anti-discharge flue of building can adopt automatic control system, and follow procedure control is at ordinary times installed smoke alarm to normally taking a breath in the building in the building, when smoke alarm is reported to the police, control system control smoke extractor by indoor to outdoor smoke evacuation.Anti-induced-draft fan carries out contrary operation and follows when renewing wind, and secretly anti-smoke exhaust pipe system air outlet is as following the air intake that renews wind, and outdoor new wind is sent into indoor by the inlet scoop of hidden protecting fume exhaust ductwork.The intake of anti-induced-draft fan air intake is the secretly anti-smoke discharging pipe of each a branch road sum in parallel, when being installed in the indoor anti-induced-draft fan air outlet diameter or the length of side greater than 85 millimeters of deck-moldings, must opening the hole of corresponding specification and make air outlet on exterior wall.
This programme need not installed a large amount of extract ducts again in the room, be fully used in the space on top, room, has saved the time of pipeline and construction, and is easy for installation, avoided setting up the support pipe support, is beneficial to finishing.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to the foregoing description, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and the end breaks away from any modification of spirit and scope of the invention or is equal to replacement, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (7)
1, a kind of cast-in-situ open-web floor with hidden protecting fume exhaust ductwork, described dark anti-smoke discharging pipe is positioned at hollow floor system (1), described hollow floor system comprises thin-wall box body (2); the girder between the thin-wall box body; girt strip (6); the top flange plate (3) of thin-wall box body (2) top; the bottom wing listrium (4) of below; the side of described thin-wall box body (2) has two intercommunicating pores at least; it is characterized in that; described each thin-wall box body forms dark anti-smoke discharging pipe by the interface channel (7) that inserts adjacent both sides intercommunicating pore superstructure (1) in; described dark anti-smoke vent comprises inlet scoop (10); air outlet (9); described inlet scoop (10) are directly opened at building floor bottom wing listrium (4) and with thin-wall box body (2) in the superstructure and are communicated with, and described control is prevented secretly that the induced-draft fan of the interior gas communication of smoke discharging pipe hangs and is installed on the indoor superstructure base plate or on the wall.
2, a kind of cast-in-situ open-web floor as claimed in claim 1 with hidden protecting fume exhaust ductwork, it is characterized in that, interface channel (7) external surface between described thin-wall box body (2) and the thin-wall box body (2) all seals, and the interface channel between the described thin-wall box body (7) connects with the form of series, parallel or multiple-series.
3, a kind of cast-in-situ open-web floor as claimed in claim 1 or 2 with hidden protecting fume exhaust ductwork, it is characterized in that, described interface channel (7) passes girder or girt strip (6), described interface channel (7) adopts pipe or square tube or special pipe, described each interface channel (7) length＜300mm that passes girt strip (6), described each interface channel length＜1200mm that passes reinforced concrete girder, described each interface channel length＜500mm that passes the steel reinforced concrete girder, the diameter of described interface channel or length of side height≤girder height-85mm or girt strip height-85mm.
4, a kind of cast-in-situ open-web floor as claimed in claim 3 with hidden protecting fume exhaust ductwork, it is characterized in that, the plate outer surface of described thin-wall box body (2) has three camber projectioies (8) at least, its height of camber projection (8)≤19 millimeters, 100mm≤camber length≤300mm.
5, a kind of cast-in-situ open-web floor with hidden protecting fume exhaust ductwork as claimed in claim 1 is characterized in that, described thin-wall box body (2) has a plurality of and adopts the cast-in-place global formation of composite cement mortar or sheet material assembling formation.
6, a kind of cast-in-situ open-web floor with hidden protecting fume exhaust ductwork as claimed in claim 1 is characterized in that, described dark anti-smoke discharging pipe uses as changing the wind passage when changing wind outdoor.
7. the described a kind of cast-in-situ open-web floor of claim 1 with hidden protecting fume exhaust ductwork, it is characterized in that, there is a plurality of and balanced being distributed in the building floor bottom wing listrium that needs anti-smoke evacuation and the superstructure on the thin-wall box body described inlet scoop (10), is distributed with the dark smoke vents of organizing in the described superstructure (1) more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101439759A CN101581122B (en) | 2009-06-04 | 2009-06-04 | Cast-in-place hollow floor with hidden protecting fume exhaust ductwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101439759A CN101581122B (en) | 2009-06-04 | 2009-06-04 | Cast-in-place hollow floor with hidden protecting fume exhaust ductwork |
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| Publication Number | Publication Date |
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| CN101581122A true CN101581122A (en) | 2009-11-18 |
| CN101581122B CN101581122B (en) | 2011-05-25 |
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| CN2009101439759A Expired - Fee Related CN101581122B (en) | 2009-06-04 | 2009-06-04 | Cast-in-place hollow floor with hidden protecting fume exhaust ductwork |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831850A (en) * | 2015-04-29 | 2015-08-12 | 潍坊昌大建设集团有限公司 | Orthogonal-diagonal U-shaped steel and concrete composite open-web floor and manufacturing method |
| CN105401678A (en) * | 2015-12-15 | 2016-03-16 | 湖南科技大学 | Cast-in-concrete hollow floor inner die system with indoor smoke discharging function |
| CN105544831A (en) * | 2015-12-15 | 2016-05-04 | 湖南科技大学 | Cast-in-place concrete hollow floor frame having indoor fire-fighting function |
| CN105569246A (en) * | 2015-12-15 | 2016-05-11 | 湖南科技大学 | Multifunctional cast-in-place concrete hollow floor |
| CN109113250A (en) * | 2018-09-14 | 2019-01-01 | 中国矿业大学 | A kind of prefabricated functional module component and application method, superstructure for superstructure |
| CN113565249A (en) * | 2021-07-30 | 2021-10-29 | 中国矿业大学 | Smoke exhaust and ventilation device, multifunctional cavity floor and manufacturing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1173103C (en) * | 2000-03-07 | 2004-10-27 | 吴学文 | Double floor flab double-beam and its design |
| CN1796688A (en) * | 2004-12-27 | 2006-07-05 | 邱则有 | Hollow plate fabricated from reinforcing steel bar concrete |
| CN101302783A (en) * | 2008-07-09 | 2008-11-12 | 王本淼 | Building cast-in-situ roof |
| CN201416225Y (en) * | 2009-06-04 | 2010-03-03 | 王本淼 | Cast-in-situ open web building roof with hidden protection exhaustsmoke conduit system |
-
2009
- 2009-06-04 CN CN2009101439759A patent/CN101581122B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831850A (en) * | 2015-04-29 | 2015-08-12 | 潍坊昌大建设集团有限公司 | Orthogonal-diagonal U-shaped steel and concrete composite open-web floor and manufacturing method |
| CN105401678A (en) * | 2015-12-15 | 2016-03-16 | 湖南科技大学 | Cast-in-concrete hollow floor inner die system with indoor smoke discharging function |
| CN105544831A (en) * | 2015-12-15 | 2016-05-04 | 湖南科技大学 | Cast-in-place concrete hollow floor frame having indoor fire-fighting function |
| CN105569246A (en) * | 2015-12-15 | 2016-05-11 | 湖南科技大学 | Multifunctional cast-in-place concrete hollow floor |
| CN109113250A (en) * | 2018-09-14 | 2019-01-01 | 中国矿业大学 | A kind of prefabricated functional module component and application method, superstructure for superstructure |
| CN113565249A (en) * | 2021-07-30 | 2021-10-29 | 中国矿业大学 | Smoke exhaust and ventilation device, multifunctional cavity floor and manufacturing method |
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| CN101581122B (en) | 2011-05-25 |
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