CN203867064U - Prestressed double-splice laminated wood beam - Google Patents
Prestressed double-splice laminated wood beam Download PDFInfo
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- CN203867064U CN203867064U CN201420277330.0U CN201420277330U CN203867064U CN 203867064 U CN203867064 U CN 203867064U CN 201420277330 U CN201420277330 U CN 201420277330U CN 203867064 U CN203867064 U CN 203867064U
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- wooden frame
- steel
- transfer
- bors
- oeuveres
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Abstract
The utility model discloses a prestressed double-splice laminated wood beam. The wood beam comprises a beam body, prestressed tendons, steering devices, anchorage devices, steel cushion blocks, anchor backing plates, beam end cushion blocks, a span cushion block and self-tapping screws, wherein the beam body adopts a double-splice beam or a box beam; the prestressed tendons are arranged in the middle gap of the double-splice beam or the middle space of the box beam; two ends of the prestressed tendons are anchored at beam ends, on the beam body or between beams through the anchorage devices and the anchor backing plates; the steel cushion blocks are arranged between the anchorage devices and the anchor backing plates; the self-tapping screws or planted bars used for strengthening are arranged in positions where the beam body is in contact with the anchor backing plates; one or more steering devices are arranged between spans of the prestressed tendons. The beam is high in span and bearing capacity and low in weight, saves material, is simple in system and attractive in appearance, can realize industrialized production, and can be rapidly installed; the beam can not only be used for the new construction of large-span buildings and bridge structures, but also be applied to fields of the strengthening of existing buildings and bridges.
Description
Technical field
The utility model relates to a kind of prestressing force Two bors d's oeuveres gummed wooden frame, and main (but not exclusively) is for fields such as building structure building roof system and bridge superstructures.
Background technology
General gummed wooden frame is subject to when curved to show as fragility tensile failure, and compression-side timber is not fully utilized.Utilize reinforcing bar or FRP (Fiber Reinforced Polymer) material to strengthen gummed wooden frame both at home and abroad, successful.Yet no matter whether strengthen, the bearing capacity of gummed wooden frame is conventionally by Deformation control, its intensity is not in full use.For solving large deformation problem, further improving laminated wood girder construction performance, it is one of a kind of feasible measure that reinforcing material is applied to prestressing force.
External prestressing is one of important branch of post-tensioned prestressing system, refers to the prestressing force producing being arranged in the steel Shu Zhangla outside bearing structure main span body, and steel bundle is only in anchorage zone is arranged on structural body, and it is interior or external that steering block can be located at structure.Compare with traditional prestressed structure, external prestressing structure has that consumptive material is few, loss of prestress is little, easy construction, the advantage such as easy to maintenance.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, by introducing external prestressing technology, provide that a kind of span is large, bearing capacity is high, from heavy and light, save material, system is succinct, outward appearance is graceful, can realize the prestressing force Two bors d's oeuveres gummed wooden frame that batch production is produced, can Fast Installation; In addition, external prestressing technology is applied to greatly across wooden construction, also there is the characteristics such as the creep of reduction, cost-saving, good looking appearance.
The technical solution adopted in the utility model is: a kind of prestressing force Two bors d's oeuveres gummed wooden frame, comprise wooden frame main body, presstressed reinforcing steel, transfer, ground tackle, steel cushion block, anchor plate, template, across a cushion block and tapping screw, described wooden frame main body is coupled beam or box beam, coupled beam is by the template along the setting of member total length interval or elongated setting and connect into integral body across a cushion block, described presstressed reinforcing steel is arranged in the intermediate gaps of coupled beam or in the hollow space of box beam, described presstressed reinforcing steel two ends are anchored at beam-ends by ground tackle and anchor plate, between shaft or beam, between ground tackle and anchor plate, be provided with steel cushion block, wooden frame main body and anchor plate contact position are provided with tapping screw or the bar planting that strengthens use, described presstressed reinforcing steel is across being provided with one or multi-channel transfer, transfer is fixedly connected with wooden frame main body.
As preferably, described wooden frame main body is coupled beam, and described transfer is arranged on outside wooden frame main body, is provided with backing plate on transfer, and backing plate is connected with wooden frame main body.
As preferably, described transfer is mainly comprised of support body, steering component and spacing side plate, and described steering component is arranged on below support body, and described spacing side plate is arranged on below steering component.One or more presstressed reinforcing steel can be set as required.Described support body material is a kind of in metal material, wood materials or composite material, is shaped as rectangle, U-shaped or V-arrangement, and cross section is solid or hollow; Described steering component can be round steel, plate with curved surface or curved surface hardwood.
As preferably, described presstressed reinforcing steel is a kind of in steel strand, wire rope, reinforcing pull rod, screw-thread steel, FRP muscle, and quantity can arrange as required.
As preferably, described ground tackle is steel strand, wire rope, screw-thread steel or reinforcing pull rod Special ground tackle.
As preferably, described template and be wood materials or metal material across a cushion block, wooden frame material is a kind of or combination in laminated wood (glulam), sawn timber, laminated veneer lumber (LVL), parallel strand laminated wood (PSL), laminated strand lumber (LSL), Other Engineering timber.
As preferably, described presstressed reinforcing steel can elongated setting or is disconnected and arranging at transfer place, when disconnection arranges, presstressed reinforcing steel and transfer connecting portion adopt fork ear, screw rod or screw nut to fix, and are provided with the adjusting device of the length that regulates drag-line on fork ear, screw rod or screw nut.
The building panel that the utility model matches or bridge deck can adopt concrete or wood materials, also can adopt profiled sheet-concrete combined floor or composite panel.
Beneficial effect: the utility model prestressing force Two bors d's oeuveres gummed wooden frame is compared with other enhancement mode timber structural systems, more give full play to the advantage of various structures and various materials, overcome the deficiency, the introducing of external prestressing muscle, make wooden frame compressive strength be able to remarkable performance, wooden frame is converted to the compression damage of ductility simultaneously by fragility tensile failure; By appropriate design, can guarantee the ductile fracture under high-bearing capacity state, this greatly improves structural performance and the ductile performance of wooden frame on the one hand, also makes on the other hand the safety of structure, reliability be significantly improved.Its maximum feature is: span is large, bearing capacity is high, from heavy and light, save material, system is succinct, outward appearance is graceful, can realize batch production produce, can Fast Installation; Both newly-built, the fields such as reinforcing that also can be used for existing building and bridge etc. that can be used for large span architecture and bridge construction.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment 1 structural representation;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the 1-1 sectional drawing of Fig. 1;
Fig. 4 is the 2-2 sectional drawing of Fig. 1;
Fig. 5 is that the utility model embodiment 1 is at the prebored hole of wooden frame end or preformed hole schematic diagram;
Fig. 6 is the utility model embodiment 1 anchor plate schematic diagram;
Fig. 7 is the utility model embodiment 1 transfer schematic diagram;
Fig. 8 is the lateral view of Fig. 7;
Fig. 9 is the utility model embodiment 2 box beam schematic diagrames;
Figure 10 is that the utility model embodiment 3 transfers use schematic diagram;
Figure 11 is the utility model embodiment 3 transfer schematic diagrames;
Figure 12 is the lateral view of Figure 11;
Figure 13 is the utility model embodiment 4 structural representations;
Figure 14 is the 1-1 sectional drawing of Figure 13;
Figure 15 is the utility model embodiment 4 transfer schematic diagrames;
Figure 16 is the lateral view of Figure 15;
Figure 17 is that the utility model embodiment 5 transfers use schematic diagram;
Figure 18 is the utility model embodiment 5 transfer schematic diagrames;
Figure 19 is the lateral view of Figure 18;
Figure 20 is the utility model embodiment 6 schematic diagrames;
Figure 21 is the lateral view of Figure 20.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Embodiment 1
As shown in Fig. 1-8: a kind of prestressing force Two bors d's oeuveres gummed wooden frame, comprise wooden frame main body 1, presstressed reinforcing steel 2, transfer 3, ground tackle 4, steel cushion block 5, anchor plate 6, template 7, across a cushion block 8 and tapping screw 9, described wooden frame main body 1 is coupled beam, coupled beam is by along the spaced template 7 of member total length with connect into integral body across a cushion block 8, template 7, across a cushion block 8 and wooden frame main body 1, by fixing cushion block bolt 15, is connected.Described presstressed reinforcing steel is established 2 and is placed in the intermediate gaps of coupled beam, described presstressed reinforcing steel 2 two ends are anchored at beam-ends by ground tackle 4 and anchor plate 6, beam-ends is provided with beam-ends screw hole 10 and the reserved presstressed reinforcing steel hole 11 of beam-ends for anchor plate anchoring, anchor plate 6 is provided with anchor plate screw hole and the reserved presstressed reinforcing steel hole 13 of anchor plate, between ground tackle 4 and anchor plate 6, be provided with steel cushion block 5, wooden frame main body 1 is provided with anchor plate 6 contact positions the tapping screw 9 that strengthens use, described presstressed reinforcing steel 2 is across being provided with twice transfer 3, between transfer 3 and wooden frame main body 1, by transfer bolt 14, be connected.Described transfer 3 comprises support body 3-1, steering component 3-2 and spacing side plate 3-3, and described steering component 3-2 is arranged on below support body 3-1, and described spacing side plate 3-3 is arranged on below steering component 3-2.Described support body 3-1 material is metal material, and support body 3-1 is U-shaped.Described presstressed reinforcing steel 2 is steel strand.Described ground tackle 4 is screw-thread steel ground tackle.Described template 7 and be laminated wood across a cushion block 8.
Embodiment 2
As Figure 7-9, the difference of the present embodiment and embodiment 1 is: described wooden frame main body 1 is box beam, and described presstressed reinforcing steel 2 is arranged in the hollow space of box beam.
Embodiment 3
As shown in Figure 10-12, the difference of the present embodiment and embodiment 1 is: the support body 3-1 of described transfer 3 is rectangle.
Embodiment 4
As shown in Figure 13-16, the difference of the present embodiment and embodiment 1 is: described wooden frame main body 1 is coupled beam, described transfer 3 is arranged on outside wooden frame main body 1, on transfer 3, be also provided with backing plate, backing plate is arranged on the inner side of coupled beam, between backing plate and wooden frame main body 1, by transfer bolt 14, be connected, described support body 3-1 is V-arrangement.
Embodiment 5
As shown in Figure 17-19, the difference of the present embodiment and embodiment 4 is: on described transfer 3, be also provided with backing plate 3-4, backing plate 3-4 is arranged on the outside of coupled beam.In coupled beam, be provided with fixedly cushion block 16 between beam for transfer.
Embodiment 6
As shown in Figure 20-21, the difference of the present embodiment and embodiment 1 is: described support body 3-1 material is metal material, and steering component 3-2 is that curved plate adopts adhesive or tapping screw to be fixed on support body 3-1.
It should be pointed out that for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.In the present embodiment not clear and definite each ingredient all available prior art realized.
Claims (8)
1. a prestressing force Two bors d's oeuveres glues together wooden frame, it is characterized in that: comprise wooden frame main body, presstressed reinforcing steel, transfer, ground tackle, steel cushion block, anchor plate, template, across a cushion block and tapping screw, described wooden frame main body is coupled beam or box beam, coupled beam is by the template along the setting of member total length interval or elongated setting and connect into integral body across a cushion block, described presstressed reinforcing steel is arranged in the intermediate gaps of coupled beam or in the hollow space of box beam, described presstressed reinforcing steel two ends are anchored at beam-ends by ground tackle and anchor plate, between shaft or beam, between ground tackle and anchor plate, be provided with steel cushion block, wooden frame main body and anchor plate contact position are provided with tapping screw or the bar planting that strengthens use, described presstressed reinforcing steel is across being provided with one or multi-channel transfer, transfer is fixedly connected with wooden frame main body.
2. a kind of prestressing force Two bors d's oeuveres gummed wooden frame according to claim 1, is characterized in that: described wooden frame main body is coupled beam, and described transfer is arranged on outside wooden frame main body, is provided with backing plate on transfer, and backing plate is connected with wooden frame main body.
3. a kind of prestressing force Two bors d's oeuveres according to claim 1 glues together wooden frame, it is characterized in that: described transfer comprises support body, steering component and spacing side plate, described steering component is arranged on below support body, and described spacing side plate is arranged on below steering component.
4. a kind of prestressing force Two bors d's oeuveres gummed wooden frame according to claim 3, is characterized in that: described support body material is a kind of in metal material, wood materials or composite material, is shaped as rectangle, U-shaped or V-arrangement, and cross section is solid or hollow; Described steering component is round steel, plate with curved surface or curved surface hardwood.
5. a kind of prestressing force Two bors d's oeuveres gummed wooden frame according to claim 1, is characterized in that: described presstressed reinforcing steel is a kind of in steel strand, wire rope, reinforcing pull rod, screw-thread steel, FRP muscle.
6. a kind of prestressing force Two bors d's oeuveres gummed wooden frame according to claim 1, is characterized in that: described ground tackle is steel strand, wire rope, screw-thread steel or reinforcing pull rod ground tackle.
7. a kind of prestressing force Two bors d's oeuveres according to claim 1 glues together wooden frame, it is characterized in that: described template and be wood materials or metal material across a cushion block, wooden frame material is a kind of or combination of laminated wood, sawn timber, laminated veneer lumber, parallel strand laminated wood, laminated strand lumber.
8. a kind of prestressing force Two bors d's oeuveres according to claim 1 glues together wooden frame, it is characterized in that: the elongated setting of described presstressed reinforcing steel or disconnect to arrange at transfer place, when disconnection arranges, presstressed reinforcing steel and transfer connecting portion adopt fork ear, screw rod or screw nut to fix, and are provided with the adjusting device of the length that regulates drag-line on fork ear, screw rod or screw nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277330.0U CN203867064U (en) | 2014-05-27 | 2014-05-27 | Prestressed double-splice laminated wood beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420277330.0U CN203867064U (en) | 2014-05-27 | 2014-05-27 | Prestressed double-splice laminated wood beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867064U true CN203867064U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420277330.0U Expired - Fee Related CN203867064U (en) | 2014-05-27 | 2014-05-27 | Prestressed double-splice laminated wood beam |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032891A (en) * | 2014-05-27 | 2014-09-10 | 南京工业大学 | Prestressed double laminated wood beam |
| CN105235026A (en) * | 2015-09-18 | 2016-01-13 | 国际竹藤中心 | Method for manufacturing fiber bamboo bunch veneer composite board coupled beam |
| CN106499053A (en) * | 2016-11-30 | 2017-03-15 | 东北林业大学 | A kind of assembled integral pre-stressed concrete frame structure connection member |
-
2014
- 2014-05-27 CN CN201420277330.0U patent/CN203867064U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032891A (en) * | 2014-05-27 | 2014-09-10 | 南京工业大学 | Prestressed double laminated wood beam |
| CN105235026A (en) * | 2015-09-18 | 2016-01-13 | 国际竹藤中心 | Method for manufacturing fiber bamboo bunch veneer composite board coupled beam |
| CN106499053A (en) * | 2016-11-30 | 2017-03-15 | 东北林业大学 | A kind of assembled integral pre-stressed concrete frame structure connection member |
| CN106499053B (en) * | 2016-11-30 | 2019-07-16 | 东北林业大学 | A kind of assembled integral pre-stressed concrete frame structure connecting component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20210527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |