CN107268891A - A kind of controllable prestressing force laminated wood string continuous beam - Google Patents
A kind of controllable prestressing force laminated wood string continuous beam Download PDFInfo
- Publication number
- CN107268891A CN107268891A CN201710494787.5A CN201710494787A CN107268891A CN 107268891 A CN107268891 A CN 107268891A CN 201710494787 A CN201710494787 A CN 201710494787A CN 107268891 A CN107268891 A CN 107268891A
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- wooden frame
- glued wooden
- riser
- anchorage
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/29—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures
- E04C3/292—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces built-up from parts of different material, i.e. composite structures the materials being wood and metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The present invention relates to a kind of controllable prestressing force laminated wood string continuous beam, including two glued wooden frames；Two glued wooden frame yi word pattern arrangements, both approach ends are arranged on inverted T-shaped connector, and inverted T-shaped connector to connecting bolt with back cover plate by being fixedly connected, and back cover plate is arranged on two groups of glued wooden frame junctions upper end；The remote end of two groups of glued wooden frames is each provided with one group of end anchorage, and the one end of every group of end anchorage with two groups of presstressed reinforcing steels is fixedly connected, and the other end of two groups of presstressed reinforcing steels passes sequentially through stubborn device of screw thread and turns to pressure bearing wheels to be fixedly connected with junction anchorage；Junction anchorage installation is on inverted T-shaped connector；Simply supported beam is extended to continuous beam by the present invention, improves the stress of beam, and the Bending moment distribution for making beam evenly, can make full use of the compression strength of glued wooden frame and the tensile strength of presstressed reinforcing steel, so as to reach increase span, Reducing distortion, the effect for saving material.
Description
Technical field
The present invention relates to beam string technical field, more particularly to a kind of controllable prestressing force laminated wood string continuous beam.
Background technology
Wood material is limited by raw material size and processing technology, and length is typically up to the requirement less than continuous beam, in addition, wooden structure
The ability of part banjo fixing butt jointing transmission moment of flexure is relatively low, causes node coupling stiffness not enough, therefore, and general wooden frame is in freely-supported shape mostly
Formula, occurs brittle break, and the strength of materials can not be fully utilized, and deforms larger.
Under Uniform Load, common laminated wood simply supported beam reaches moment of flexure maximum in spaning middle section, from span centre to bearing,
The moment of flexure that external load is produced is gradually reduced, therefore, in addition to spaning middle section, and the strength of materials in other sections can not be by abundant profit
With.Laminated wood simply supported beam is general first to there is crack in tight side defective locations, finally because the tensile strength of material is not enough, occurs crisp
Property destruction, now, the compression strength of material not yet gives full play to.
Compared with continuous beam, the deformation of simply supported beam is much greater, and the creep of wood material, it can further increase the change of beam
Shape, influence is used；In Practical Project, the sectional dimension of many gluing wooden frames is by Deformation control, and the strength of materials fails to obtain fully
Utilize.
The content of the invention
Instant invention overcomes above-mentioned the deficiencies in the prior art, there is provided a kind of controllable prestressing force laminated wood string is continuous
Beam；The present invention improves the stress of beam by the way that simply supported beam is extended into continuous beam, makes the Bending moment distribution of beam evenly, can
The compression strength of glued wooden frame and the tensile strength of presstressed reinforcing steel are made full use of, so as to reach increase span, Reducing distortion, saving
The effect of material.
Technical scheme：
A kind of controllable prestressing force laminated wood string continuous beam, including two glued wooden frames, back cover plate, inverted T-shaped connections
Part, steering pressure bearing wheels, screw thread twist a device；Two glued wooden frame yi word pattern arrangements, both approach ends are arranged on the T
On shape connector, the inverted T-shaped connector to connecting bolt with the back cover plate by being fixedly connected, and the back cover plate is set
In glued wooden frame junction upper end described in two groups；The remote end of glued wooden frame is each provided with one group of end anchorage described in two groups, often
The one end of group end anchorage with two groups of presstressed reinforcing steels is fixedly connected, and the other end of presstressed reinforcing steel passes sequentially through screw thread described in two groups
Twist a device and turn to pressure bearing wheels and be fixedly connected with junction anchorage；The junction anchorage installation is in the inverted T-shaped connector
On, the screw thread twists the lower end that a device is arranged on the glued wooden frame, and the steering pressure bearing wheels are arranged on the glued wooden frame
Upper end.
Further, the inverted T-shaped connector includes mounting base, installs riser, beam side stiffener；The installation riser
It is vertical with the mounting base to be fixedly connected, and the installation riser is arranged on the midline of the mounting base, the installation
Four groups of beam side stiffeners are additionally provided between riser and the mounting base, beam side stiffener described in every two groups respectively with the peace
Riser and the glued wooden frame groove of one group of mounting base formation are filled, the approach end of described two glued wooden frames is arranged on the gluing
In wooden frame groove, mounting base to connecting bolt with the back cover plate by being fixedly connected.
Further, the installation riser left and right sides is machined with two groups of presstressed reinforcing steel grooves one and the presstressed reinforcing steel respectively
Groove one is symmetrical.
Further, the peace turns riser rear and front end and is respectively arranged with junction anchorage described in two groups, is arranged on installation
Two groups of junction anchorages of riser front end by presstressed reinforcing steel and are arranged on the glued wooden frame for installing riser rear end respectively
The end anchorage of end is fixedly connected；Two groups of junction anchorages for installing riser rear end are arranged on respectively by presstressed reinforcing steel with setting
The end anchorage in the end of the glued wooden frame of the installation riser front end is put to be fixedly connected.
Further, the screw thread, which twists a device, includes billet, regulation bearing, adjusting screw rod, steering block；The steel pad
Plate be fixedly mounted on the glued wooden frame lower end, the billet be machined with bearing groove, the bearing groove be provided with it is described
Bearing is adjusted, the regulation bearing is connected with the adjusting screw rod, and the adjusting screw rod is also connected with the steering block, described turn
Be machined with to block with one group of screwed hole corresponding with the adjusting screw rod, be also machined with two groups of positional symmetries on the steering block
Presstressed reinforcing steel groove；Screw rod end rotary screw is twisted by using spanner, makes screw rod drive steering block to move down, so that in advance should
Power muscle carries out tensioning, and the distance moved by steering block can control to apply presstressed reinforcing steel the size of stress, to reach to pre-
Stress rib applies the purpose of stress.
Further, the steering pressure bearing wheels include bearing bottom plate, pressure-bearing riser；The bearing bottom plate is fixedly mounted on institute
Glued wooden frame upper end is stated, the bearing bottom plate center is provided with the pressure-bearing riser, the pressure-bearing riser and is machined with two groups
Turn to presstressed reinforcing steel groove two.
Further, one group of beam-ends backing plate, the beam-ends are additionally provided between the glued wooden frame and the end anchorage
Two groups of presstressed reinforcing steel grooves three are machined with backing plate.
Further, it is machined with nut groove on the mounting base.
The present invention has the advantages that relative to prior art：
The present invention is by first, the glue that inverted T-shaped connector and beam side stiffener are formed being placed in by the glued wooden frame of single span
Close in wooden frame groove, glued wooden frame back places back cover plate, and laminated wood is linked to be by connecting bolt with end coupling by level
It is overall, form continuous beam；Control presstressed reinforcing steel linear by turning to pressure bearing wheels, form broken line, can be adjusted according to external load form
Broken line shape, makes it better against external load；
The present invention is connected by junction anchorage with the installation riser of inverted T-shaped connector, by prestressing force, by the glue of both sides
Wooden frame is closed to be fastened in attachment means；
End anchorage of the present invention with beam-ends billet by presstressed reinforcing steel by being connected, and it is curved that presstressed reinforcing steel does not produce bearing
Square；
The present invention applies prestressing force to presstressed reinforcing steel by the screw rod and steering block of transverse stretching device, and realizes in loading
Regulate and control at any time to prestressed during preceding and use；
The present invention is in the stress of continuous beam, back cover plate and presstressed reinforcing steel tension, beam bottom inverted T-shaped connector bottom plate
It is pressurized with glued wooden frame, to undertake hogging moment；In girder span, by the presstressed reinforcing steel tension at beam bottom, glued wooden frame is pressurized to hold
Carry on a shoulder pole sagging moment；
Connection between anchoring and each component of the present invention by presstressed reinforcing steel is united, and can adjust the line of presstressed reinforcing steel
Bending moment diagram of the type with continuous beam under outer load action is close, so as to form the more rational steel and wood composite flexural member of stress；
By carrying out live splicing to connecting bolt, stress is reliable, easy construction, it is easy to form prestressing force laminated wood beam building roof structure body
System, is easy to promote, is a kind of new situations of assembled timber buildings.
Two glued wooden frames can be linked to be a continuous beam, compared with simply supported beam, stress by end connecting device of the present invention
Performance is more preferable；With reference to controllable prestressing technique, by the screw rod and steering block of bottom, prestressing force can be applied, and realize
Regulate and control at any time to prestressed before loading and during use；It is combined with assembled, and then realizes overall assembled prestressing force
Laminated wood beam string Structural Floor System, is easy to promote.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of invention.
Brief description of the drawings
Fig. 1 is two groups of glued wooden frame junction structural representations of the present invention；
Fig. 2 is the top view of two groups of glued wooden frame junctions of the present invention；
Fig. 3 is the upward view of two groups of glued wooden frame junctions of the present invention；
Fig. 4 is the overall structure diagram of the present invention；
Fig. 5 is the structural representation of stubborn device of screw thread in the present invention；
Fig. 6 is the structural representation of steering block in the present invention；
Fig. 7 is the upward view of steering block in the present invention；
Fig. 8 is the structural representation of inverted T-shaped connector in the present invention；
Fig. 9 is the side view of inverted T-shaped connector in the present invention；
Figure 10 is the top view of inverted T-shaped connector in the present invention；
Figure 11 is the upward view of inverted T-shaped connector in the present invention；
Figure 12 is the structural representation of steering pressure bearing wheels in the present invention；
Figure 13 is the side view of steering pressure bearing wheels in the present invention；
Figure 14 is the top view of steering pressure bearing wheels in the present invention.
In figure：1- gluing wooden frames；2- back cover plates；3- inverted T-shaped connectors；4- turns to pressure bearing wheels；5- screw threads twist a device；
6- is to connecting bolt；7- end anchorages；9- screw threads twist a device；10- presstressed reinforcing steels；11- junctions anchorage；12- beam-ends backing plates 31-
Mounting base；32- installs riser；33- beams side stiffener；34- gluing wooden frame grooves；35- presstressed reinforcing steels groove one；36- nut grooves；
41- bearing bottom plates；42- pressure-bearing risers；43- presstressed reinforcing steels groove three；91- billets；92- adjusts bearing；93- adjusting screw rods；94-
Steering block；95- presstressed reinforcing steels groove two.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
With reference to shown in Fig. 1-Figure 14, a kind of controllable prestressing force laminated wood disclosed in the present embodiment string continuous beam, including
Two glued wooden frames 1, back cover plate 2, inverted T-shaped connector 3, steering pressure bearing wheels 4, screw threads twist a device 9；Two laminated woods
The yi word pattern of beam 1 is arranged, and both approach ends are arranged on the inverted T-shaped connector 3, and the inverted T-shaped connector 3 is by connecting bolt
6 are fixedly connected with the back cover plate 2, and the back cover plate 2 is arranged on the glued junction upper end of wooden frame 1 described in two groups；Two groups
The remote end of the glued wooden frame 1 is each provided with one group of end anchorage 7, every group of end anchorage 7 with two groups of presstressed reinforcing steels 10
One end is fixedly connected, and the other end of presstressed reinforcing steel 10 described in two groups passes sequentially through screw thread and twists a device 9 and turn to pressure bearing wheels 4 with connecting
The place's of connecing anchorage 11 is fixedly connected；The junction anchorage (11) is arranged on the inverted T-shaped connector 3, and the screw thread twists a dress
9 lower ends for being arranged on the glued wooden frame 1 are put, the steering pressure bearing wheels 4 are arranged on the upper end of the glued wooden frame 1；Due to right
Connecting bolt is located at the outside of glued wooden frame, it is not necessary to perforate is carried out to laminated wood, from the intensity that ensure that section to the full extent；
On the other hand, by back cover plate with applying transverse pressure to connecting bolt, together with the longitudinal pressure that presstressed reinforcing steel applies, it is ensured that
The globality and the rigidity of node of continuous beam.
Specifically, the inverted T-shaped connector 3 includes mounting base 31, installs riser 32, beam side stiffener 33；The peace
Riser 32 is vertical with the mounting base 31 is fixedly connected for dress, and the riser 32 of installing is arranged in the mounting base 31
At line, four groups of beam side stiffeners 33, beam side described in every two groups are additionally provided between the installation riser 32 and the mounting base 1
Stiffener 33 forms one group of glued wooden frame groove 34, two gluings with the installation riser 32 and the mounting base 31 respectively
The approach end of wooden frame 1 is arranged in the glued wooden frame groove 34, and mounting base 31 passes through to connecting bolt 6 and the back cover plate 2
It is fixedly connected.
Specifically, installation riser 32 left and right sides is machined with two groups of presstressed reinforcing steel grooves 1 and the prestressing force respectively
Muscle groove 1 is symmetrical.
Specifically, installation riser 32 rear and front end is respectively arranged with junction anchorage 11 described in two groups, peace is arranged on
Two groups of junction anchorages 11 of dress riser 32 front end by presstressed reinforcing steel 10 and are arranged on installation riser 32 rear end respectively
The end anchorage 7 of the end of glued wooden frame 1 is fixedly connected；Two groups of junction anchorages 11 for being arranged on installation riser 32 rear end are distinguished
It is fixedly connected by presstressed reinforcing steel 10 with the end anchorage of the end for the glued wooden frame 1 for being arranged on installation riser 32 front end.
Specifically, the screw thread, which twists a device 9, includes billet 91, regulation bearing 92, adjusting screw rod 93, steering block 94；
The billet 91 is fixedly mounted on the lower end of glued wooden frame 1, the billet 91 and is machined with bearing groove, the bearing groove
Inside be provided with it is described regulation bearing 92, it is described regulation bearing 92 be connected with the adjusting screw rod 93, the adjusting screw rod 93 also with
The steering block 94 is connected, be machined with the steering block 94 with one group and the corresponding screwed hole of the adjusting screw rod 93, it is described
The presstressed reinforcing steel groove 2 95 of two groups of positional symmetries is also machined with steering block 94, by rotating adjusting screw rod, adjusting screw rod is being adjusted
Rotated in bearings, drive the up and down motion of steering block, prestressed application side is finally adjusted by the motion for adjusting steering block
To.
Specifically, the steering pressure bearing wheels 4 include bearing bottom plate 41, pressure-bearing riser 42；The bearing bottom plate 41 fixes peace
Mounted in the glued upper end of wooden frame 1, the center of bearing bottom plate 41 is provided with the pressure-bearing riser 42, the pressure-bearing riser 42
On be machined with two groups of presstressed reinforcing steel grooves 3 43.
Specifically, being additionally provided with one group of beam-ends backing plate 12, the beam between the glued wooden frame 1 and the end anchorage 7
Two groups of muscle grooves are machined with the backing plate 12 of end.
Specifically, being machined with four groups of nut grooves 36 on the mounting base 31, it is ensured that on mounting base and back cover plate
When being fixedly connected, lower end is always a plane, has the reason for will not be because of to connecting bolt part raised, influences the installation of beam and makes
With.
Above example is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also be changed to its part, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (8)
1. a kind of controllable prestressing force laminated wood string continuous beam, it is characterised in that including two glued wooden frames (1), back lids
Plate (2), inverted T-shaped connector (3), steering pressure bearing wheels (4), screw thread twist a device (9)；Two glued wooden frame (1) yi word patterns
Arrangement, both approach ends are arranged on the inverted T-shaped connector (3), the inverted T-shaped connector (3) by connecting bolt (6) with
The back cover plate (2) is fixedly connected, and the back cover plate (2) is arranged on glued wooden frame (1) junction upper end described in two groups；Two
The remote end of the group glued wooden frame (1) is each provided with one group of end anchorage (7), and every group of end anchorage (7) in advance should with two groups
One end of power muscle (10) is fixedly connected, the other end of presstressed reinforcing steel (10) described in two groups pass sequentially through screw thread twist device (9) and
Pressure bearing wheels (4) are turned to be fixedly connected with junction anchorage (11)；The junction anchorage (11) is arranged on the inverted T-shaped connector
(3) on, the screw thread twists the lower end that a device (9) is arranged on the glued wooden frame (1), and the steering pressure bearing wheels (4) are arranged on
The upper end of the glued wooden frame (1).
2. a kind of controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the T
Shape connector (3) includes mounting base (31), installs riser (32), beam side stiffener (33)；The installation riser (32) and institute
Mounting base (31) is stated vertically to be fixedly connected, and the installation riser (32) is arranged on the midline of the mounting base (31),
Four groups of beam side stiffeners (33), beam described in every two groups are additionally provided between the installation riser (32) and the mounting base (31)
Side stiffener (33) forms one group of glued wooden frame groove (34), institute with the installation riser (32) and the mounting base (31) respectively
The approach end for stating two glued wooden frames (1) is arranged in the glued wooden frame groove (34), and mounting base (31) is by connecting bolt
(6) it is fixedly connected with the back cover plate (2).
3. a kind of controllable prestressing force laminated wood according to claim 2 string continuous beam, it is characterised in that the installation
Riser (32) left and right sides is machined with two groups of presstressed reinforcing steel grooves one (35) respectively, and the presstressed reinforcing steel groove one (35) is symmetrically divided
Cloth.
4. a kind of controllable prestressing force laminated wood according to claim 2 string continuous beam, it is characterised in that described
Riser (32) rear and front end is installed and is respectively arranged with junction anchorage (11) described in two groups, is arranged on and riser (32) front end is installed
Two groups of junction anchorages (11) by presstressed reinforcing steel (10) and are arranged on the glued wooden frame for installing riser (32) rear end respectively
(1) end anchorage (7) of end is fixedly connected；It is arranged on two groups of junction anchorages (11) difference for installing riser (32) rear end
Fixed by presstressed reinforcing steel (10) and the end anchorage of the end for the glued wooden frame (1) for being arranged on described installation riser (32) front end
Connection.
5. a kind of controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the screw thread
Twisting a device (9) includes billet (91), regulation bearing (92), adjusting screw rod (93), steering block (94)；The billet (91)
It is fixedly mounted on to be machined with bearing groove, the bearing groove on glued wooden frame (1) lower end, the billet (91) and is provided with
It is described regulation bearing (92), it is described regulation bearing (92) be connected with the adjusting screw rod (93), the adjusting screw rod (93) also with
It is machined with and one group of screw thread corresponding with the adjusting screw rod (93) on steering block (94) connection, the steering block (94)
The presstressed reinforcing steel groove two (95) of two groups of positional symmetries is also machined with hole, the steering block (94).
6. a kind of controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the steering
Pressure bearing wheels (4) include bearing bottom plate (41), pressure-bearing riser (42)；The bearing bottom plate (41) is fixedly mounted on the glued wooden frame
(1) upper end, bearing bottom plate (41) center is provided with the pressure-bearing riser (42), the pressure-bearing riser (42) and is machined with
Two groups of presstressed reinforcing steel grooves three (43).
7. a kind of controllable prestressing force laminated wood according to claim 1 string continuous beam, it is characterised in that the gluing
It is additionally provided with one group of beam-ends backing plate (12), the beam-ends backing plate (12) and is machined between wooden frame (1) and the end anchorage (7)
Two groups of muscle grooves.
8. a kind of controllable prestressing force laminated wood according to claim 2 string continuous beam, it is characterised in that described
Nut groove (36) is machined with mounting base (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494787.5A CN107268891B (en) | 2017-06-26 | 2017-06-26 | Adjustable prestressed laminated wood beam string continuous beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710494787.5A CN107268891B (en) | 2017-06-26 | 2017-06-26 | Adjustable prestressed laminated wood beam string continuous beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107268891A true CN107268891A (en) | 2017-10-20 |
| CN107268891B CN107268891B (en) | 2023-04-07 |
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ID=60069534
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710494787.5A Active CN107268891B (en) | 2017-06-26 | 2017-06-26 | Adjustable prestressed laminated wood beam string continuous beam |
Country Status (1)
| Country | Link |
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| CN (1) | CN107268891B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882267A (en) * | 2017-12-19 | 2018-04-06 | 东北林业大学 | A kind of automatic prestressing force regulation device and application method for eliminating draw |
| CN107893538A (en) * | 2017-11-14 | 2018-04-10 | 东南大学 | A kind of method for stretching of prestressing with bond gluing wooden frame |
| CN108999279A (en) * | 2018-08-16 | 2018-12-14 | 中建三局集团有限公司 | A kind of Two bors d's oeuveres timber beam of wind resistance resistance to compression antidetonation and the attachment device of brace steel post |
| CN110863567A (en) * | 2019-11-26 | 2020-03-06 | 东北林业大学 | Can regulate and control prestressing force steel filling plate bolted connection beam column device |
| CN115680314A (en) * | 2022-11-08 | 2023-02-03 | 中建八局第二建设有限公司 | Steel beam external prestressed tendon reinforced steering block and reinforcing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001042584A1 (en) * | 1999-12-07 | 2001-06-14 | Antonello Gasperi | Method for the construction of a prestressed structure and prestressed structure thus obtained |
| CN202688844U (en) * | 2012-08-10 | 2013-01-23 | 上海市城市建设设计研究总院 | Superposed beam stiff skeleton hanging mold integral structure |
| CN104032891A (en) * | 2014-05-27 | 2014-09-10 | 南京工业大学 | Prestressed double laminated wood beam |
| CN104675017A (en) * | 2015-03-06 | 2015-06-03 | 东北林业大学 | Novel pre-stressed continuous bamboo-wood beam popularizing device |
| CN204590639U (en) * | 2014-12-09 | 2015-08-26 | 东北林业大学 | A kind of novel bamboo and wood continuous beam prestress application system |
| CN206888352U (en) * | 2017-06-26 | 2018-01-16 | 东北林业大学 | A kind of controllable prestressing force laminated wood string continuous beam |
-
2017
- 2017-06-26 CN CN201710494787.5A patent/CN107268891B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001042584A1 (en) * | 1999-12-07 | 2001-06-14 | Antonello Gasperi | Method for the construction of a prestressed structure and prestressed structure thus obtained |
| CN202688844U (en) * | 2012-08-10 | 2013-01-23 | 上海市城市建设设计研究总院 | Superposed beam stiff skeleton hanging mold integral structure |
| CN104032891A (en) * | 2014-05-27 | 2014-09-10 | 南京工业大学 | Prestressed double laminated wood beam |
| CN204590639U (en) * | 2014-12-09 | 2015-08-26 | 东北林业大学 | A kind of novel bamboo and wood continuous beam prestress application system |
| CN104675017A (en) * | 2015-03-06 | 2015-06-03 | 东北林业大学 | Novel pre-stressed continuous bamboo-wood beam popularizing device |
| CN206888352U (en) * | 2017-06-26 | 2018-01-16 | 东北林业大学 | A kind of controllable prestressing force laminated wood string continuous beam |
Non-Patent Citations (1)
| Title |
|---|
| 金仲达等: "《船体装配工艺与操作》", 31 August 2009, 哈尔滨：哈尔滨工程大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893538A (en) * | 2017-11-14 | 2018-04-10 | 东南大学 | A kind of method for stretching of prestressing with bond gluing wooden frame |
| CN107882267A (en) * | 2017-12-19 | 2018-04-06 | 东北林业大学 | A kind of automatic prestressing force regulation device and application method for eliminating draw |
| CN108999279A (en) * | 2018-08-16 | 2018-12-14 | 中建三局集团有限公司 | A kind of Two bors d's oeuveres timber beam of wind resistance resistance to compression antidetonation and the attachment device of brace steel post |
| CN110863567A (en) * | 2019-11-26 | 2020-03-06 | 东北林业大学 | Can regulate and control prestressing force steel filling plate bolted connection beam column device |
| CN115680314A (en) * | 2022-11-08 | 2023-02-03 | 中建八局第二建设有限公司 | Steel beam external prestressed tendon reinforced steering block and reinforcing method |
| CN115680314B (en) * | 2022-11-08 | 2024-06-04 | 中建八局第二建设有限公司 | Steel beam external prestress rib reinforcing steering block and reinforcing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107268891B (en) | 2023-04-07 |
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Inventor after: Li Guodong Inventor after: Wang Wenbo Inventor after: Guo Nan Inventor after: Jiang Haixin Inventor after: Wang Yanjun Inventor after: Zuo Hongliang Inventor before: Guo Nan Inventor before: Wang Wenbo Inventor before: Jiang Haixin Inventor before: Wang Yanjun Inventor before: Zuo Hongliang Inventor before: Li Guodong |
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