CN104912338A - Fiber reinforced cement board dry hanging method and fiber reinforced cement board dry hanging system - Google Patents
Fiber reinforced cement board dry hanging method and fiber reinforced cement board dry hanging system Download PDFInfo
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- CN104912338A CN104912338A CN201410095219.4A CN201410095219A CN104912338A CN 104912338 A CN104912338 A CN 104912338A CN 201410095219 A CN201410095219 A CN 201410095219A CN 104912338 A CN104912338 A CN 104912338A
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Abstract
The invention relates to a fiber reinforced cement board dry hanging method and a fiber reinforced cement board dry hanging system. The method comprises the following steps of: 1, installing keels; 2, carrying out pre-drilling on fiber reinforced cement boards; 3, putting the fiber reinforced cement boards onto corresponding keel positions on the keels, and performing concentric hole drilling on the keels according to the pre-drilling positions in the fiber reinforced cement boards; 4, selecting two pre-drilling holes on each fiber reinforced cement board as fixed connecting holes, wherein the two fixed connecting holes are positioned on the two independent keels, and the rest pre-drilling holes are movable connecting holes; and 5, installing a first connecting element in each fixed connecting hole and installing a second connecting element in each movable connecting hole, wherein each first connecting element is tightly connected with the corresponding fiber reinforced cement board, and each second connecting element is in clearance fit with the corresponding fiber reinforced cement board. The method and the system have the advantages that the adverse stress during the dry hanging of the fiber reinforced cement boards can be effectively eliminated; the use cost is low; and the construction is simple.
Description
Technical field
The present invention relates to building decoration technology field, particularly relate to a kind of fiber reinforced cement board dried hanging method and system.
Background technology
Along with the development of building trade, the material of building is also more and more abundanter, fragile material in constructional materials also gets more and more, except original brick, watt, stone material and glass, there is again the curtain wall materials such as fiber reinforced cement board, calcium silicate board with microporous, wood fiber slab, devitrified glass and pottery clay plates.These curtain wall materials have many common ground: compressive strength is higher, and tensile strength is less, stressed easy generation plastic strain, morely present brittle fracture.
When curtain wall material is undertaken cladding by connecting grid system, due to various factors, such as, expand after the deformation that the difference of the coefficient of thermal expansion of unlike material, external load cause and material water suction, can cause between these material and keel and bring relative displacement because of these factors.If do not take these relative displacements of adequate measures process, will produce disadvantageous concentrated stress in the corner of position, the especially curtain wall material of each perforate nailing, this time, these fragile materials were just easy to brittle fracture occurs.
At present, part fragile material is had to take some corresponding measures, cladding as glass, be generally adopt the glass claw piece of flexible structure glue or activity to absorb described relative displacement, but structure glue mostly is silicone, incompatible with fiber cement board, therefore adhesion stress is sufficient not; Glass claw piece and steel pawl are installed as the special connected mode of multi-supports curtain wall, and it is installed and stressed situation is not all suitable for fiber cement board.When such as stone material and pottery clay plates etc. are cladding again, the general employing back of the body is fastened or suspension member connects, although described relative displacement can be transferred on keel piece by these suspension members, but these suspension members can only at the thickness palpus >=12mm of fiber reinforced cement board, density >=1.60g/cm3, below building height 15m can be applicable to fiber reinforced cement board.And for the fragile material such as calcium silicate board with microporous and fiber reinforced cement board, then do not take appropriate measures, generally directly use screw to penetrate to be fixed on keel, but this method still cannot shift or absorb described relative displacement, stress is still concentrated, thus cause the situation using the engineering of these fragile materials again and again to occur cracking, affect popularization and the use of this part fragile material.
Summary of the invention
The object of the invention is to propose a kind of use cost lower and construct simple fiber reinforced cement board dried hanging method and system, its can effectively eliminate fiber reinforced cement board cladding time the unfavorable stress that occurs.
For achieving the above object, the invention provides following technical scheme:
A kind of fiber reinforced cement board dried hanging method, it comprises the following steps: 1) install keel; 2) on fiber reinforced cement board, prebored hole is carried out; 3) fiber reinforced cement board is placed into keel position corresponding on keel, on keel, carries out concentric bore according to the position of prebored hole on fiber reinforced cement board; 4) on each block fiber reinforced cement board, choose two prebored holes as being fixedly connected with hole, and these two are fixedly connected with hole and lay respectively at two independently on keel, and remaining prebored hole is and is flexibly connected hole; 5) the first connector is installed being fixedly connected with hole, in flexible connection hole, the second connector is installed; Wherein: be close proximity between the first connector and fiber reinforced cement board, be matched in clearance between the second connector and fiber reinforced cement board.
Further, two are fixedly connected with hole and lay respectively on two adjacent keel.
Further, the gap between the second connector and fiber reinforced cement board is determined according to the external diameter of the second connector and other factors such as temperature, humidity, wind load and/or geological process size.
Further, flexible gasket is set between fiber reinforced cement board and keel.
A kind of fiber reinforced cement board cladding system, comprises keel and is arranged on the fiber reinforced cement board of keel position corresponding on keel; Fiber reinforced cement board is provided with the first boring; Keel are holed with first and is provided with the second boring accordingly; First boring and second is holed concentric; Two first borings on each block fiber reinforced cement board and respectively on corresponding two independent keel are as being fixedly connected with hole, and the first remaining boring is and is flexibly connected hole; Being connected by the first connector with the second boring corresponding to the first boring being fixedly connected with hole, is close proximity between the first connector and fiber reinforced cement board; Corresponding to the first boring being flexibly connected hole to be connected by the second connector with the second boring, is matched in clearance between the second connector and fiber reinforced cement board.
Further, the first connector comprises 1 the first securing member; Second connector comprises 1 the first securing member; First boring at the first connector place and the aperture of the second boring are less than first boring at the second connector place and the aperture of the second boring.
Further, the first connector comprises 1 the second securing member and 1 the first cuff; Second connector comprises 1 the second securing member.
Further, the first connector comprises 1 the 3rd securing member and 2 the second cuffs; Second connector comprises 1 the 3rd securing member and 1 the second cuff.
Further, the first connector comprises 1 the 4th securing member and 1 the 3rd cuff; Second connector comprises 1 the 4th securing member and 1 the 4th cuff; The external diameter of the 3rd cuff is greater than the external diameter of the 4th cuff.
Further, flexible gasket is provided with between fiber reinforced cement board and keel.
Based on technique scheme, advantage of the present invention is:
Be fixedly connected with hole because the present invention adopts and be flexibly connected two kinds, hole connected mode, first connector is installed being fixedly connected with hole, in flexible connection hole, the second connector is installed, close proximity is set between first connector and fiber reinforced cement board, be fixedly connected with hole by choosing 2 fiber reinforced cement board is fixed on keel, restriction fiber reinforced cement board, along ability freely movable in plane, makes fiber reinforced cement board relatively stable; Matched in clearance is set between second connector and fiber reinforced cement board, when fiber reinforced cement board has flexible at length, width, thickness direction or expands, or when micro-displacement, the ability of relative displacement is had in direction, keel face at the fiber reinforced cement board be flexibly connected on hole and keel, matched in clearance between second connector and fiber reinforced cement board provides the space be not close to, this space is that the micro-displacement of fiber reinforced cement board provides activity space, is therefore conducive to stress release; The present invention will be fixedly connected with hole and be flexibly connected being combined of the two kinds of connected modes in hole, make fiber reinforced cement board can be fixedly connected with hole for basic point, on flexible connection hole, relative telescopic moves, thus avoid the generation of undesirable stress, thus be beneficial to the stable of the whole connected system of maintenance, in addition, the present invention also have use cost lower and construction simple advantage.
The present invention is applicable to fiber reinforced cement board.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of fiber reinforced cement board cladding system one embodiment provided by the present invention;
Fig. 2 is the structural representation of another embodiment of fiber reinforced cement board cladding system provided by the present invention;
Fig. 3 a-3c is the structural representation of the first connector in Fig. 1 and Fig. 2;
Fig. 4 a-4c is the structural representation of the second connector in Fig. 1 and Fig. 2;
Fig. 5-7 is that the present invention is fixedly connected with hole and is flexibly connected the layout schematic diagram in hole when adopting vertical keel;
Fig. 8 with Fig. 9 is that the present invention is fixedly connected with hole and is flexibly connected the layout schematic diagram in hole when adopting lateral keel;
Figure 10-Figure 13 is the various combination mode of the first connector and the second connector in the present invention.
Detailed description of the invention
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the system of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
As shown in Figure 1 and Figure 2, fiber reinforced cement board dried hanging method provided by the present invention comprises the following steps:
1) according to the requirement of common construction, keel 1 are installed.
2) on fiber reinforced cement board 2, prebored hole is carried out.
3) fiber reinforced cement board 2 is placed into keel position corresponding on keel 1, on keel, carries out concentric bore according to the position of prebored hole on fiber reinforced cement board 2.
4) on each block fiber reinforced cement board 2, two prebored holes are chosen as being fixedly connected with hole 3, black color dots as shown in Fig. 1 and 2 is and is fixedly connected with hole 3, as can be seen from the figure, two on each block fiber reinforced cement board 2 are fixedly connected with hole and lay respectively at two independently on keel, and remaining prebored hole is and is flexibly connected hole 4.
5) the first connector 5(is installed as shown in figs 3 a-3 c being fixedly connected with hole 3), second connector 6(is installed as depicted in figure 4 a-4 c in flexible connection hole 4), wherein: be close proximity between the first connector 5 and fiber reinforced cement board 2, " close proximity " herein refers to 0-0.5mm gap and connects, namely the size be fixedly connected with in all directions in hole 3 deducts the algebraic step of the size gained in all directions of the lateral wall of the first connector 5 matched, this difference is not negative, theoretical calculation 0-0.5mm.Be matched in clearance between second connector 6 and fiber reinforced cement board 2.In the present embodiment, the first connector 5 is made up of securing member 7, first cuff 16, second cuff 17, and as shown in figs 3 a-3 c, the second cuff 17 is 0-0.5mm with the distance range between the perisporium being fixedly connected with hole 3.Second connector 6 is made up of securing member 7 and the first cuff 16, and as depicted in figure 4 a-4 c, the first cuff 16 is matched in clearance with being flexibly connected between hole 4.
The present invention adopts and is fixedly connected with hole and is flexibly connected two kinds, hole connected mode, is directly fixed on keel 1 by fiber reinforced cement board 2 by the first connector 5 and the second connector 6.Wherein adopt the connected mode being fixedly connected with hole, be fixedly connected with hole and be fixed on keel by choosing 2 by fiber reinforced cement board 2, restriction fiber reinforced cement board 2, along ability freely movable in plane, makes fiber reinforced cement board 2 relatively stable.
The connected mode being flexibly connected hole is active connection, when fiber reinforced cement board 2 has flexible at length, width, thickness direction or expands, or when micro-displacement, fiber reinforced cement board 2 on flexible connection hole and keel 1 have the ability of relative displacement in direction, keel face, matched in clearance between second connector 6 and fiber reinforced cement board 2 provides the space be not close to, this space is that the micro-displacement of fiber reinforced cement board 2 provides activity space, is therefore conducive to stress release.
Be fixedly connected with hole and be flexibly connected being combined of the two kinds of connected modes in hole, make fiber reinforced cement board 2 can be fixedly connected with hole for basic point, on flexible connection hole, relative telescopic moves, thus avoid the generation of undesirable stress, thus be beneficial to the stable of the whole connected system of maintenance, in addition, the present invention also have use cost lower and construction simple advantage.
Above-mentioned steps 2) in, the aperture of prebored hole on fiber reinforced cement board 2 should be larger than the external diameter of the first connector 5 selected and the second connector 6, and the amplitude of the two difference should slightly larger than 2 times of fiber reinforced cement board 2 relative displacement estimated.Such as: the external diameter of the first connector 5 and the second connector 6 is 5mm, and fiber reinforced cement board 2 relative displacement of expectation is 1.5mm, and the aperture of so prebored hole then should slightly larger than 8mm.
Certainly, fiber reinforced cement board 2 relative displacement estimated is an empirical value, estimate fiber reinforced cement board 2 relative displacement both with External Force Acting, as wind load, geological process all can cause fiber reinforced cement board 2 relative to the displacement of building foundation body of wall, the impact that this shift value is installed, must be controlled in the scope of following table requirement.In addition, the endogenetic process that the relative displacement of the fiber reinforced cement board 2 estimated also is subject to environmental change and causes, the warm and humid change be subject to as fiber reinforced cement board 2 and the miniature deformation of the fiber reinforced cement board 2 self caused, its deformation values is much smaller than the numerical value of following table.The wet rate < 0.2% that rises of Etta's nit fiber cement board, coefficient of thermal expansion 6 × 10
-6.
The requirement that artificial board curtain wall assembling rear allowable variation in place should meet following table is defined in GB/T21086-2007 " building curtain wall ":
Above-mentioned steps 3) in, in order to ensure that the prebored hole on keel 1 and fiber reinforced cement board 2 is concentric circles, preferably select the drill bit with alignment function.
Fig. 5-7 is that the present invention is fixedly connected with hole and is flexibly connected the layout schematic diagram in hole when adopting vertical keel, and Fig. 8 and 9 is that the present invention is fixedly connected with hole and is flexibly connected the layout schematic diagram in hole when adopting lateral keel.As illustrated in figs. 5-7, being fixedly connected with hole 3 with the determination principle being flexibly connected hole 4 is: first determine to be fixedly connected with hole 3, one piece of fiber reinforced cement board 2 need layout 2 be fixedly connected with hole 3, the edges of boards of fiber reinforced cement board 2 can be arranged in, also can be arranged in the plate of fiber reinforced cement board 2, but these 2 are fixedly connected with hole 3 and must be arranged on independent keel, preferably lay respectively on two adjacent keel.Usually the way adopted in practice is: be first arranged on two adjacent keel by being fixedly connected with hole 3, namely two to be fixedly connected with hole 3 adjacent, then other tie point be all be flexibly connected hole 4, this fixed form can allow the stress of one piece of fiber reinforced cement board 2 concentrate discharged to greatest extent.But, be fixedly connected with hole 3 non-conterminous also in protection scope of the present invention.
Above-mentioned steps 5) in, gap between second connector 6 and fiber reinforced cement board 2 is determined according to the relative displacement size of the external diameter of the second connector 6 and/or the fiber reinforced cement board 2 of expectation, and mentioned above, the relative displacement of fiber reinforced cement board 2 estimated and environment (mainly temperature and humidity) and suffered external force (mainly wind load and geological process) have relation, and the gap namely between the second connector 6 and fiber reinforced cement board 2 is determined according to the external diameter of the second connector 6, temperature, humidity, wind load and/or geological process size.On flexible connection hole, fiber reinforced cement board 2 and keel 1 can relative movements in direction, keel face.
As shown in figures 10-13, the first connector 5 and the second connector 6 can adopt different combinations to realize:
The first, as shown in Figure 10: the first connector 5 comprises 1 the first securing member 7, the boring at the first securing member 7 place that the second connector 6 comprises in 1 the first securing member 7, first connector 5 is the first boring, and the boring at the first securing member 7 place in the second connector 6 is the second boring.The aperture of the first boring is less than the aperture of the second boring, thus ensure that between the first connector 5 and fiber reinforced cement board 2 to be close proximity, is matched in clearance between the second connector 6 and fiber reinforced cement board 2.
The second, as shown in figure 11: the first connector 5 comprises 1 the second securing member 8 and 1 the first cuff 9, the external diameter that second securing member 8 overlaps the first prefabricated cuff 9, first cuff 9 should be slightly less than the aperture of the prebored hole at its place, and internal diameter should slightly larger than the external diameter of the second securing member 8.Such as: the aperture of prebored hole is slightly larger than 8mm, and the external diameter of the second securing member 8 is 5mm, and so the external diameter of the first cuff 9 just should be 8mm, and internal diameter should slightly larger than 5mm.After putting the first cuff 9, this second securing member 8 is used to be fixed on keel 1 by fiber reinforced cement board 2.Be fixedly connected with on hole at these, fiber reinforced cement board 2 is relative with keel 1 fixing, irremovable.Second connector 6 comprises 1 the second securing member 8, like this can for providing the gap of fine motion between the second connector 6 and fiber reinforced cement board 2.
The third, as shown in figure 12: the first connector 5 comprises 1 the 3rd securing member 10 and 2 the second cuffs 11,3rd securing member 10 overlaps 2 prefabricated the second cuffs 11, the external diameter being set in the second cuff 11 of outside should be slightly less than the aperture of the prebored hole at its place, and the second cuff 11 internal diameter being positioned at the inside should slightly larger than the external diameter of the 3rd securing member 10.Such as: the aperture of prebored hole is slightly larger than 8mm, and the external diameter of the 3rd securing member 10 is 5mm, the external diameter being so set in the second cuff 11 of outside just should be 8mm, and the second cuff 11 internal diameter being positioned at the inside should slightly larger than 5mm.After putting 2 the second cuffs 11, the 3rd securing member 10 is used to be fixed on keel 1 by fiber reinforced cement board 2.Be fixedly connected with on hole at these, fiber reinforced cement board 2 is relative with keel 1 fixing, irremovable.Second connector 6 comprises 1 the 3rd securing member 10 and 1 the second cuff 11, like this can for providing the gap of fine motion between the second connector 6 and fiber reinforced cement board 2.
4th kind, as shown in figure 13: the first connector 5 comprises 1 the 4th securing member, 12 and 1 the 3rd cuff 14, the external diameter that 4th securing member 12 overlaps the 3rd prefabricated cuff the 14, three cuff 14 should be slightly less than the aperture of the prebored hole at its place, and internal diameter should slightly larger than the external diameter of the 4th securing member 12.Such as: the aperture of prebored hole is slightly larger than 8mm, and the external diameter of the 4th securing member 12 is 5mm, and so the external diameter of the 3rd cuff 14 just should be 8mm, and internal diameter should slightly larger than 5mm.After putting the 3rd cuff 14, the 4th securing member 12 is used to be fixed on keel 1 by fiber reinforced cement board 2.Be fixedly connected with on hole at these, fiber reinforced cement board 2 is relative with keel 1 fixing, irremovable.The external diameter that second connector 6 comprises 1 the 4th securing member, 12 and 1 the 4th cuff the 15, three cuff 14 is greater than the external diameter of the 4th cuff 15, now just can for providing the gap of fine motion between the second connector 6 and fiber reinforced cement board 2.
Above the first cuff 9, second cuff 11, the 3rd cuff 14 and the material selected by the 4th cuff 15 are preferably metal material, because metal material has good mechanical property, tension, resistance to compression and anti-fatigue ability are strong, and metal material durability is better, wear-resisting, antirust, corrosion-resistant.In addition, first securing member 7, second securing member 8, the 3rd securing member 10 and the 4th securing member 12 all can adopt as the securing member such as rivet, screw, and, require that the head of a nail cap footpath of these securing members is greater than prebored hole more than diameter 3mm on fiber reinforced cement board 2, come off out to prevent securing member from prebored hole.
In the various embodiments described above, in order to avoid fiber reinforced cement board 2 and keel 1 form rigid contact, flexible pad also should be increased between fiber reinforced cement board 2 and keel 1, this pad can be selected by such as PVC(Polyvinyl chloride polymer, polyvinyl chloride), the material such as ethylene propylene diene rubber makes.Fiber reinforced cement board 2 and keel 1 are all rigidity, and fiber reinforced cement board 2 has relative displacement ability, and the shift value of fiber reinforced cement board 2 and keel 1 is different, namely there is relative motion therebetween.In this relative motion, collision between rigid material easily produces impact wreckage, therefore between fiber reinforced cement board 2 and keel 1, set up pad can help to cushion the rigid collision between keel and fiber reinforced cement board, avoid the destruction of material, play the effect of flexible contact.
The present invention also should fill in flexible material or leaves a blank in the gap between fiber reinforced cement board 2.
As shown in Figure 10-Figure 13, the present invention also provides a kind of fiber reinforced cement board cladding system, it comprises keel 1 and is arranged on the fiber reinforced cement board 2 of keel position corresponding on keel 1, fiber reinforced cement board is provided with the first boring A, it is concentric that A that the keel of keel 1 are holed with first is provided with the second boring B first A and second B that holes that holes accordingly.Two first boring A on each block fiber reinforced cement board 2 and respectively on corresponding two independent keel are as being fixedly connected with hole, and the first remaining boring A is and is flexibly connected hole.
Being connected by the first connector 5 with the second boring B is same corresponding to the first boring A being fixedly connected with hole, is close proximity between the first connector 5 and fiber reinforced cement board 2.Corresponding to the first boring A being flexibly connected hole to be connected by the second connector 6 with the second boring B, is matched in clearance between the second connector 6 and fiber reinforced cement board 2.
First connector 5 and the second connector 6 can adopt different groups and mode to realize, and describe in detail above, do not repeat them here.
In above-described embodiment, between fiber reinforced cement board 2 and keel, be provided with flexible gasket.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. a fiber reinforced cement board dried hanging method, is characterized in that,
Comprise the following steps:
1) keel are installed;
2) on fiber reinforced cement board, prebored hole is carried out;
3) fiber reinforced cement board is placed into keel position corresponding on keel, on keel, carries out concentric bore according to the position of prebored hole on fiber reinforced cement board;
4) on each block fiber reinforced cement board, choose two prebored holes as being fixedly connected with hole, and these two are fixedly connected with hole and lay respectively at two independently on keel, and remaining prebored hole is and is flexibly connected hole;
5) the first connector is installed being fixedly connected with hole, in flexible connection hole, the second connector is installed; Wherein: be close proximity between the first connector and fiber reinforced cement board, be matched in clearance between the second connector and fiber reinforced cement board.
2. the method for claim 1, is characterized in that,
Two are fixedly connected with hole and lay respectively on two adjacent keel.
3. method as claimed in claim 2, is characterized in that,
Gap between second connector and fiber reinforced cement board is determined according to the external diameter of the second connector, temperature, humidity, wind load and/or geological process size.
4. method as claimed in claim 2, is characterized in that,
Between fiber reinforced cement board and keel, flexible gasket is set.
5. a fiber reinforced cement board cladding system, comprises keel and is arranged on the fiber reinforced cement board of keel position corresponding on keel; It is characterized in that,
Fiber reinforced cement board is provided with the first boring;
Keel are holed with first and is provided with the second boring accordingly;
First boring and second is holed concentric;
Two first borings on each block fiber reinforced cement board and respectively on corresponding two independent keel are as being fixedly connected with hole, and the first remaining boring is and is flexibly connected hole;
Being connected by the first connector with the second boring corresponding to the first boring being fixedly connected with hole, is close proximity between the first connector and fiber reinforced cement board;
Corresponding to the first boring being flexibly connected hole to be connected by the second connector with the second boring, is matched in clearance between the second connector and fiber reinforced cement board.
6. system as claimed in claim 5, is characterized in that,
First connector comprises 1 the first securing member;
Second connector comprises 1 the first securing member;
First boring at the first connector place and the aperture of the second boring are less than first boring at the second connector place and the aperture of the second boring.
7. system as claimed in claim 5, is characterized in that,
First connector comprises 1 the second securing member and 1 the first cuff;
Second connector comprises 1 the second securing member.
8. system as claimed in claim 5, is characterized in that,
First connector comprises 1 the 3rd securing member and 2 the second cuffs;
Second connector comprises 1 the 3rd securing member and 1 the second cuff.
9. system as claimed in claim 5, is characterized in that,
First connector comprises 1 the 4th securing member and 1 the 3rd cuff;
Second connector comprises 1 the 4th securing member and 1 the 4th cuff;
The external diameter of the 3rd cuff is greater than the external diameter of the 4th cuff.
10. system as claimed in claim 5, is characterized in that,
Flexible gasket is provided with between fiber reinforced cement board and keel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410095219.4A CN104912338A (en) | 2014-03-13 | 2014-03-13 | Fiber reinforced cement board dry hanging method and fiber reinforced cement board dry hanging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410095219.4A CN104912338A (en) | 2014-03-13 | 2014-03-13 | Fiber reinforced cement board dry hanging method and fiber reinforced cement board dry hanging system |
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| CN104912338A true CN104912338A (en) | 2015-09-16 |
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Application publication date: 20150916 |