CN104695604A - Anti-floating limiting device for high-strength thin-walled hollow tube of hollow floorslab and preparation tool of anti-floating limiting device - Google Patents
Anti-floating limiting device for high-strength thin-walled hollow tube of hollow floorslab and preparation tool of anti-floating limiting device Download PDFInfo
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Abstract
The invention relates to an anti-floating limiting device for a high-strength thin-walled hollow tube of a hollow floorslab and a preparation tool of the anti-floating limiting device. The anti-floating limiting device comprises an upper transverse limiting reinforcing steel bar, a lower transverse limiting reinforcing steel bar, a plurality of limiting units, a first locking rib and a second locking rib, wherein each of the limiting units comprises a first vertical limiting reinforcing steel bar and a second vertical limiting reinforcing steel bar; for adjacent limiting units, the distance between the first vertical limiting reinforcing steel bar of one limiting unit to the second vertical limiting reinforcing steel bar of another limiting unit is equal to or greater than the outer diameter of the hollow tube; one end of the first locking rib is fixedly connected to the upper part of the first vertical limiting reinforcing steel bar; one end of the second locking rib is fixedly connected to the upper part of the second vertical limiting reinforcing steel bar. By using the device provided by the invention, the hollow tubes are in predetermined positions in the hollow tube mounting process and the concrete pouring process, so that the stress uniformity of the hollow floorslab is effectively guaranteed, and the construction quality is greatly improved. Moreover, the construction period can be saved by way of off-site prefabrication and in-site mounting.
Description
Technical field
The invention belongs to Construction Technology of Cast-in-place Concrete Hollow field, particularly relate to a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means, and anti-floating stopping means prepare instrument.
Background technology
Construction Technology of Cast-in-place Concrete Hollow is the domestic structure new technology just grown up in recent years, have compared with cast-in-place solid concrete floor good from heavy and light, good rigidity, soundproof effect, reduce the advantages such as engineering cost, be particularly useful for the building structure having large bay, large span to require.Cast-in-situ hollow floor plate imbeds circle or square hollow as internal mold according to certain rule, makes it form the superstructure of cavity through poured in place concrete.In cast-in-place concrete hollow building roof construction, fixation hollow pipe is the Focal point and difficult point of total engineering.In work progress, hollow section is difficult to construct according to the arrangement of drawing, and pipe is apart from being difficult to be guaranteed; because hollow section density is less, in concreting process, easily cause floating, cause iron on plate muscle to float; lower iron topping is excessive, affects concrete pouring quality and attractive in appearance.
In prior art, Chinese patent CN203080806U discloses the spacing design of a kind of rectangle hollow pipe anti-floating, adopt iron wire to be fixed on reinforced mesh by hollow section, but for cylinder type hollow pipe, this patent effectively can not ensure fixing at concreting impact force upper/lower positions.The spacing iron wire of anti-floating is adopted to guarantee that hollow section is non-rising in Chinese patent CN201512886U, but the position of hollow section can not be ensured in the lateral direction, in concreting process, hollow section left and right vibration can be made under concrete impact force action, affect pouring quality.Limit rib reinforcing bar being bent into circular arc is adopted to carry out the fixing of hollow section position in Chinese patent CN202273345U, but radius is difficult to control in reinforcing bar bending process, the verticality of anti-floating limiting bracket cannot be ensured in installation process simultaneously, when hollow section horizontal spacing is too small, this patent difficulty in making process is larger.In the above prior art, all can not realize installing in prefabricated, field outside the venue, operation side welding capacity is large, and difficulty of construction is comparatively large, long in time limit.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means, to solve, hollow section in cast-in-place concrete hollow floor slab of the prior art floats, hollow section horizontal level is difficult to control, long construction period, the technical problem that Site Welding amount is large.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means, and it comprises:
Upper lateral limit steel bar;
Lower, transverse limit steel bar;
Position-limiting unit, described position-limiting unit has multiple; Described position-limiting unit includes:
First vertical spacing reinforcing bar, bottom or one end of described first vertical spacing reinforcing bar are fixedly connected with described lower, transverse limit steel bar; Top or the other end and described upper lateral limit steel bar removably connect;
Second vertical spacing reinforcing bar, bottom or one end of described second vertical spacing reinforcing bar are fixedly connected with described lower, transverse limit steel bar; Top or the other end and described upper lateral limit steel bar removably connect; Distance between described second vertical spacing reinforcing bar and described first vertical spacing reinforcing bar is equal to or greater than the beeline of adjacent hollow pipe radial direction;
For adjacent position-limiting unit, the distance between the first vertical spacing reinforcing bar of a position-limiting unit and the second vertical spacing reinforcing bar of another position-limiting unit is equal to or greater than hollow section external diameter;
First card muscle, one end is fixedly connected on the top of described first vertical spacing reinforcing bar;
Second card muscle, one end is fixedly connected on the top of described second vertical spacing reinforcing bar;
Support member, described support member is fixedly connected on the bottom of the horizontal limit steel bar in described bottom.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, the first vertical spacing reinforcing bar and the second vertical spacing reinforcing bar of described position-limiting unit are structure as a whole.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, the first vertical spacing reinforcing bar and the second vertical spacing reinforcing bar of described position-limiting unit are the integrative-structure of U-shaped.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, described support member is T-shaped, and the termination of support member is fixedly connected with the bottom of the horizontal limit steel bar in bottom.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, for adjacent position-limiting unit, the distance 3 ~ 5mm larger than hollow section external diameter between the first vertical spacing reinforcing bar of a position-limiting unit and the second vertical spacing reinforcing bar of another position-limiting unit.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, the beeline of card muscle distance lower, transverse limit steel bar is than hollow section and the large 3 ~ 5mm of upper lateral limit steel bar external diameter sum.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, described high intensity thinner tube hollow section is circular hollow tube or rectangle hollow pipe.
The present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means, further, adopts waste material reinforcing bar to process.
In order to save on-site construction time accelerating construction progress, cassette ceiling high intensity thinner tube hollow section anti-floating stopping means of the present invention all adopts prefabricated mould to carry out prefabricated processing outside the venue, in-site installation.
Cassette ceiling high intensity thinner tube hollow section anti-floating stopping means as above prepare instrument, it comprises:
Top support top, described top support top is a right-angle surface level, the angle steel that a right-angle surface is vertical;
Bottom fixed bar;
First side fixed bar, one end is fixed on an end of support top, and the other end is fixed on bottom fixed bar;
Second side fixed bar, one end is fixed on the other end of support top, and the other end is fixed on bottom fixed bar;
Top kelly, described top kelly is multiple, is separately fixed at the vertical straight edged surface of described top support top, towards parallel with the level right angle face of top support top; Distance between adjacent upper kelly is according to adjacent hollow tube hub spacing setting;
First bottom kelly, one end is fixed on described bottom fixed bar, towards identical with corresponding top kelly;
Second bottom kelly, one end is fixed on described bottom fixed bar, towards identical with corresponding top kelly; Distance between described first bottom kelly and the second bottom kelly sets according to the beeline between adjacent vacant core barrel; The quantity of the first bottom kelly, the second bottom kelly is identical with the quantity of top kelly.
The invention has the beneficial effects as follows:
1, work progress hollow core barrel position stability.By anti-floating stopping means, hollow section is firmly fixed on the fixed system inside be made up of anti-floating stopping means, make hollow section movable range in 5mm, prevent the floating because of the too small generation of hollow section density, ensure that in hollow section installation process, concreting process hollow core barrel is all in precalculated position, effectively ensure that and the uniformity that cassette ceiling is stressed substantially increase construction quality.
2, the duration is saved.During construction, first carry out the prefabricated work of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means outside the venue: lower, transverse limit steel bar and support member adopt welding to be connected, lower, transverse limit steel bar and the first vertical spacing reinforcing bar, the second vertical spacing reinforcing bar are by being welded to connect, first vertical spacing reinforcing bar, the second vertical spacing reinforcing bar are corresponding to be respectively connected by welding with the first card muscle, the second card muscle card muscle, and above welding engineering is carries out outside the venue.Through test, compared with processing mounting means with conventional on-site, under the prerequisite that constructor's quantity is certain, 3000 square meter scope hollow section constructions just became 1.5 days from original 5 days.
Accompanying drawing explanation
A kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means schematic diagram that Fig. 1 provides for the embodiment of the present invention;
A kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means using state schematic diagram that Fig. 2 provides for the embodiment of the present invention;
A kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means that Fig. 3 provides for the embodiment of the present invention prepare instrument schematic diagram;
A kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means that Fig. 4 provides for the embodiment of the present invention prepare instrument using state schematic diagram.
In accompanying drawing, the list of parts representated by each label is as follows:
1, cassette ceiling high intensity thinner tube hollow section anti-floating stopping means, 11, upper lateral limit steel bar, 12, lower, transverse limit steel bar, 13, position-limiting unit, 131, first vertical spacing reinforcing bar, 132, second vertical spacing reinforcing bar, 133, first card muscle, 134, second card muscle, 14, support member, 2, cassette ceiling high intensity thinner tube hollow section anti-floating stopping means prepare instrument, 21, top support top, 22, bottom fixed bar, 23, first side fixed bar, 24, second side fixed bar, 25, top kelly, 26, first bottom kelly, 27, second bottom kelly, 3, drawknot iron wire, 4, hollow section, 5, template, 6, the lumps of wood under template, 7, scaffold U holds in the palm, 8, scaffold cross bar.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
In cast-in-place concrete hollow building roof construction, the horizontal direction position of fixation hollow pipe and vertical direction position are the Focal point and difficult points of total engineering.In work progress, because hollow section density is less, in concreting process, easily cause floating, cause hollow section to be difficult to construct according to the arrangement of drawing, pipe apart from being difficult to be guaranteed, affects concrete pouring quality and attractive in appearance.In addition, conventional hollow floor slab construction process hollow core barrel anti-floating is arranged and is mainly completed by site operation, and operation side welding capacity is large, and difficulty of construction is comparatively large, long in time limit.Therefore, in the urgent need to a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means, guarantee that hollow section position and construction drawing match, ensure construction quality, reduce difficulty of construction, shorten the construction period.
As shown in Figure 1, be a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means 1 schematic diagram that the embodiment of the present invention provides, it comprises:
Upper lateral limit steel bar 11;
Lower, transverse limit steel bar 12;
Position-limiting unit 13, described position-limiting unit 13 has multiple; Described position-limiting unit 13 includes:
First vertical spacing reinforcing bar 131, bottom or one end of described first vertical spacing reinforcing bar 131 are fixedly connected with described lower, transverse limit steel bar 12; Top or the other end and described upper lateral limit steel bar 11 removably connect;
Second vertical spacing reinforcing bar 132, bottom or one end of described second vertical spacing reinforcing bar 132 are fixedly connected with described lower, transverse limit steel bar 12; Top or the other end and described upper lateral limit steel bar 11 removably connect; Distance between described second vertical spacing reinforcing bar 132 and described first vertical spacing reinforcing bar 131 is equal to or greater than the beeline of adjacent vacant core barrel 4 radial direction; Above-mentioned beeline refers to tangent with a hollow section and perpendicular to the first plane of horizontal direction, with and another hollow section tangent and perpendicular to horizontal direction the second plane between distance.
Hollow section external diameter is equal to or greater than for the distance between the first vertical spacing reinforcing bar 131 of adjacent position-limiting unit 13, position-limiting unit and the second vertical spacing reinforcing bar 132 of another position-limiting unit; Ensure that hollow section can be installed between adjacent position-limiting unit.
First card muscle 133, one end is fixedly connected on the top of described first vertical spacing reinforcing bar 131;
Second card muscle 134, one end is fixedly connected on the top of described second vertical spacing reinforcing bar 132;
Support member 14, described support member 14 is fixedly connected on the bottom of the horizontal limit steel bar 12 in described bottom.
In specific implementation process, the diameter range of upper lateral limit steel bar, lower, transverse limit steel bar, the first vertical spacing reinforcing bar, the second vertical spacing reinforcing bar, the first card muscle, the second card muscle is 6 ~ 15mm.More specifically, upper lateral limit steel bar, lower, transverse limit steel bar are the grade III steel muscle of diameter 12mm, the first vertical spacing reinforcing bar, the second vertical spacing reinforcing bar, the first card muscle, the second card muscle be the one-level reinforcing bar of diameter 8mm.
In cassette ceiling high intensity thinner tube hollow section anti-floating stopping means specific implementation process, the first vertical spacing reinforcing bar and the second vertical spacing reinforcing bar of position-limiting unit are Split type structure or integrative-structure.When the first vertical spacing reinforcing bar of position-limiting unit and the second vertical spacing reinforcing bar are Split type structure, the one-level reinforcing bar of two diameter 8mm can be selected to carry out the manufacture of stopping means.When the first vertical spacing reinforcing bar of position-limiting unit and the second vertical spacing reinforcing bar are structure as a whole, the one-level reinforcing bar of a diameter 8mm can be selected to carry out the manufacture of stopping means by bending.Preferably, the first vertical spacing reinforcing bar of described position-limiting unit and the second vertical spacing reinforcing bar are the integrative-structure of U-shaped.
In cassette ceiling high intensity thinner tube hollow section anti-floating stopping means specific implementation process, support member can adopt various structures.Preferred as one, as shown in Figure 1, described support member is T-shaped, and the termination of support member is fixedly connected with the bottom of the horizontal limit steel bar in bottom.Support member comprises cross bar and montant, and montant one end is vertically fixed on the middle part of cross bar, and the montant other end is fixedly connected with the bottom of the horizontal limit steel bar in bottom.When iron reinforcing bar upper surface distance is in 15mm under bottom limit steel bar to cassette ceiling, do not weld T-shaped support member, under lower limit reinforcing bar, directly weld a bar dowel as supporting leg.
In cassette ceiling high intensity thinner tube hollow section anti-floating stopping means specific implementation process, for the ease of idle tube is installed to stopping means, for adjacent position-limiting unit, the distance 3 ~ 5mm larger than hollow section external diameter between the first vertical spacing reinforcing bar of a position-limiting unit and the second vertical spacing reinforcing bar of another position-limiting unit.The beeline of card muscle distance lower, transverse limit steel bar is than hollow section and the large 3 ~ 5mm of upper lateral limit steel bar external diameter sum.
The cassette ceiling high intensity thinner tube hollow section anti-floating stopping means of the above embodiment of the present invention is applicable to fixing circular hollow tube or rectangle hollow pipe, applied widely.
In order to save construction cost, the present invention's cassette ceiling high intensity thinner tube as above hollow section anti-floating stopping means adopts waste material reinforcing bar to process.
A kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means that Fig. 3 provides for the embodiment of the present invention prepare instrument 2 schematic diagram, it comprises:
Top support top 21, described top support top 21 is a right-angle surface level, the angle steel that a right-angle surface is vertical; As adopted such as 5 × 5cm angle steel.
Bottom fixed bar 22;
First side fixed bar 23, one end is fixed on an end of support top 21, and the other end is fixed on bottom fixed bar 22;
Second side fixed bar 24, one end is fixed on the other end of support top 21, and the other end is fixed on bottom fixed bar 22;
Top kelly 25, described top kelly 25 is multiple, is separately fixed at the vertical straight edged surface of described top support top 21, towards parallel with the level right angle face of top support top; Distance between adjacent upper kelly is according to adjacent hollow tube hub spacing setting;
First bottom kelly 26, one end is fixed on described bottom fixed bar 22, towards identical with corresponding top kelly 25;
Second bottom kelly 27, one end is fixed on described bottom fixed bar 22, towards identical with corresponding top kelly 25; Distance between described first bottom kelly 26 and the second bottom kelly 27 sets according to the beeline between adjacent vacant core barrel 4; The quantity of the first bottom kelly 26, second bottom kelly 27 is identical with the quantity of top kelly 25
As shown in Figure 4, a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means provided for the embodiment of the present invention prepare instrument using state schematic diagram.The effect of bottom fixed bar is the position determining lower, transverse limit steel bar.The effect of the first bottom kelly, the second bottom kelly is respectively the position determining the first vertical spacing reinforcing bar and the second vertical spacing reinforcing bar.The acting as of top kelly the first vertical spacing reinforcing bar of determining a position-limiting unit with another adjacent with it position-limiting unit the first vertical spacing reinforcing bar between distance, namely determine hollow section spacing.
During construction, the prefabricated work of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means is first carried out outside the venue, particular content is: lower, transverse limit steel bar and support member adopt welding to be connected, lower, transverse limit steel bar and the first vertical spacing reinforcing bar, the second vertical spacing reinforcing bar are by being welded to connect, first vertical spacing reinforcing bar, the second vertical spacing reinforcing bar are corresponding to be respectively connected by welding with the first card muscle, the second card muscle card muscle, and above welding engineering is carries out outside the venue.
Then the prefabricated cassette ceiling high intensity thinner tube hollow section anti-floating stopping means completed is transported to operation side, cassette ceiling high intensity thinner tube hollow section anti-floating stopping means is placed according to drawing, the template position corresponding at anti-floating stopping means lower, transverse limit steel bar punches, adopt drawknot iron wire through template 5 by scaffold cross bar 8(below lower, transverse limit steel bar and template when support system adopts spigot-and-socket scaffold, should vertical rod be selected; ) with drawknot iron wire 3 tighten, connect into an entirety.Be lined with the lumps of wood 6 under template below template, scaffold cross bar 8, scaffold U holder 7 etc. forms scaffold support system.Next, hollow section is put between the first limit steel bar, the second limit steel bar, after hollow section installation, hollow section lays scaffold floor in case hollow section damages, upper lateral limit rib is arranged on below card muscle, by tie wire, upper lateral limit rib is become an entirety with the colligation of card muscle, now hollow section has firmly been fixed on anti-floating stopping means inside by anti-floating stopping means.As shown in Figure 2, be a kind of cassette ceiling high intensity thinner tube hollow section anti-floating stopping means using state schematic diagram that the embodiment of the present invention provides.
First limit steel bar, the second limit steel bar Main Function are that restriction hollow section horizontal direction moves, and ensure hollow section spacing, make hollow section simultaneously on a straight line.Top limit steel bar, lower limit reinforcing bar Main Function are that restriction hollow section floats.By cassette ceiling high intensity thinner tube hollow section anti-floating stopping means of the present invention, solve in concreting process hollow core barrel left and right sidesing shifting, floating, the problems such as field operation face welding capacity is large, effectively can ensure the unification mutually of the position of hollow section in cassette ceiling and layout design.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a cassette ceiling high intensity thinner tube hollow section anti-floating stopping means, is characterized in that, comprising:
Upper lateral limit steel bar;
Lower, transverse limit steel bar;
Position-limiting unit, described position-limiting unit has multiple; Described position-limiting unit includes:
First vertical spacing reinforcing bar, bottom or one end of described first vertical spacing reinforcing bar are fixedly connected with described lower, transverse limit steel bar; Top or the other end and described upper lateral limit steel bar removably connect;
Second vertical spacing reinforcing bar, bottom or one end of described second vertical spacing reinforcing bar are fixedly connected with described lower, transverse limit steel bar; Top or the other end and described upper lateral limit steel bar removably connect; Distance between described second vertical spacing reinforcing bar and described first vertical spacing reinforcing bar is equal to or greater than the beeline of adjacent hollow pipe radial direction;
For adjacent position-limiting unit, the distance between the first vertical spacing reinforcing bar of a position-limiting unit and the second vertical spacing reinforcing bar of another position-limiting unit is equal to or greater than hollow section external diameter;
First card muscle, one end is fixedly connected on the top of described first vertical spacing reinforcing bar;
Second card muscle, one end is fixedly connected on the top of described second vertical spacing reinforcing bar;
Support member, described support member is fixedly connected on the bottom of the horizontal limit steel bar in described bottom.
2. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 1, is characterized in that, the first vertical spacing reinforcing bar and the second vertical spacing reinforcing bar of described position-limiting unit are structure as a whole.
3. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 2, is characterized in that, the first vertical spacing reinforcing bar and the second vertical spacing reinforcing bar of described position-limiting unit are the integrative-structure of U-shaped.
4. the cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to any one of claim 1-3, it is characterized in that, described support member is T-shaped, and the termination of support member is fixedly connected with the bottom of the horizontal limit steel bar in bottom.
5. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 1, it is characterized in that, for adjacent position-limiting unit, the distance 3 ~ 5mm larger than hollow section external diameter between the first vertical spacing reinforcing bar of a position-limiting unit and the second vertical spacing reinforcing bar of another position-limiting unit.
6. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 1, is characterized in that, the beeline of card muscle distance lower, transverse limit steel bar is than hollow section and the large 3 ~ 5mm of upper lateral limit steel bar external diameter sum.
7. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 1, it is characterized in that, described high intensity thinner tube hollow section is circular hollow tube or rectangle hollow pipe.
8. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 1, is characterized in that, adopts waste material reinforcing bar to process.
9. cassette ceiling high intensity thinner tube hollow section anti-floating stopping means according to claim 1, it is characterized in that, anti-floating stopping means all adopts prefabricated mould to carry out prefabricated processing outside the venue, in-site installation.
10. the cassette ceiling high intensity thinner tube hollow section anti-floating stopping means described in any one of claim 1-8 prepare instrument, it is characterized in that, comprising:
Top support top, described top support top is a right-angle surface level, the angle steel that a right-angle surface is vertical;
Bottom fixed bar;
First side fixed bar, one end is fixed on an end of support top, and the other end is fixed on bottom fixed bar;
Second side fixed bar, one end is fixed on the other end of support top, and the other end is fixed on bottom fixed bar;
Top kelly, described top kelly is multiple, is separately fixed at the vertical straight edged surface of described top support top, towards parallel with the level right angle face of top support top; Distance between adjacent upper kelly is according to adjacent hollow tube hub spacing setting;
First bottom kelly, one end is fixed on described bottom fixed bar, towards identical with corresponding top kelly;
Second bottom kelly, one end is fixed on described bottom fixed bar, towards identical with corresponding top kelly; Distance between described first bottom kelly and the second bottom kelly sets according to the beeline between adjacent vacant core barrel; The quantity of the first bottom kelly, the second bottom kelly is identical with the quantity of top kelly.
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| CN201510084160.3A CN104695604B (en) | 2015-02-16 | 2015-02-16 | Cassette ceiling high intensity thinner tube hollow pipe anti-floating stopping means and prepare instrument |
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|---|---|---|---|---|
| CN105773832A (en) * | 2016-03-11 | 2016-07-20 | 中国五冶集团有限公司 | Template square box fixing device convenient to install rapidly |
| CN118007842A (en) * | 2024-04-10 | 2024-05-10 | 成都正德尚益建筑设计有限公司 | Wall structure |
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| Publication number | Publication date |
|---|---|
| CN104695604B (en) | 2016-08-31 |
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