Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Built-in steel pipe formed adjustable prestress recombined bamboo beam and machining method
The invention relates to a built-in steel pipe formed adjustable prestress recombined bamboo beam and a machining method. The machining process characteristics of the recombined bamboo beam are utilized, a built-in steel pipe forms a prestress hole channel, the prestress hole channel and recombined bamboo form a whole, the process is simple, integrity is good, and weakening of component slotting to the material tensile capacity and inconvenience of secondary machining are avoided. A prestress steel bar penetrates the steel pipe hole channel, the end is combined with a matched nut to achieve mechanical anchoring, mounting is convenient and fast, anchoring is reliable, and the strength of the prestress steel bar is brought into full play. Prestress is accurately exerted by rotating an anchoring nut, the stress state of the recombined bamboo beam is changed, and the problem that the compressive property of the recombined bamboo is not brought into full play is solved. In the using process, the prestress is adjusted and controlled at any time, the prestress adjusting and controlling degree is determined by regularly monitoring the displacement of the key section of the recombined bamboo beam, and therefore prestress losses caused by recombined bamboo creep and prestress bar loosening are offset, the strength of the recombined bamboo is fully utilized, the span of the recombined bamboo beam is increased, materials are saved, and the component bearing capacity is improved.
本发明涉及一种内置钢管成型可调控预应力重组竹梁及加工方法，利用重组竹梁的加工工艺特点内置钢管形成预应力孔道，与重组竹形成整体，工艺简单，整体性好，避免构件开槽对材料抗拉能力的削弱以及二次加工的不便。利用预应力钢筋穿过钢管孔道，端部结合配套螺母实现机械锚固，安装便捷、锚固可靠，使预应力钢筋强度发挥充分。通过旋转锚固螺帽精准施加预应力，改变重组竹梁受力状态解决了重组竹抗压性能发挥不充分的问题。在使用过程中随时调控预应力，通过定期监测重组竹梁关键截面的位移，确定预应力调控程度，从而弥补重组竹蠕变及预应力筋松弛导致的预应力损失，实现重组竹强度的充分利用，增大重组竹梁跨度，节约材料，提高构件承载能力。
Built-in steel pipe formed adjustable prestress recombined bamboo beam and machining method
The invention relates to a built-in steel pipe formed adjustable prestress recombined bamboo beam and a machining method. The machining process characteristics of the recombined bamboo beam are utilized, a built-in steel pipe forms a prestress hole channel, the prestress hole channel and recombined bamboo form a whole, the process is simple, integrity is good, and weakening of component slotting to the material tensile capacity and inconvenience of secondary machining are avoided. A prestress steel bar penetrates the steel pipe hole channel, the end is combined with a matched nut to achieve mechanical anchoring, mounting is convenient and fast, anchoring is reliable, and the strength of the prestress steel bar is brought into full play. Prestress is accurately exerted by rotating an anchoring nut, the stress state of the recombined bamboo beam is changed, and the problem that the compressive property of the recombined bamboo is not brought into full play is solved. In the using process, the prestress is adjusted and controlled at any time, the prestress adjusting and controlling degree is determined by regularly monitoring the displacement of the key section of the recombined bamboo beam, and therefore prestress losses caused by recombined bamboo creep and prestress bar loosening are offset, the strength of the recombined bamboo is fully utilized, the span of the recombined bamboo beam is increased, materials are saved, and the component bearing capacity is improved.
本发明涉及一种内置钢管成型可调控预应力重组竹梁及加工方法，利用重组竹梁的加工工艺特点内置钢管形成预应力孔道，与重组竹形成整体，工艺简单，整体性好，避免构件开槽对材料抗拉能力的削弱以及二次加工的不便。利用预应力钢筋穿过钢管孔道，端部结合配套螺母实现机械锚固，安装便捷、锚固可靠，使预应力钢筋强度发挥充分。通过旋转锚固螺帽精准施加预应力，改变重组竹梁受力状态解决了重组竹抗压性能发挥不充分的问题。在使用过程中随时调控预应力，通过定期监测重组竹梁关键截面的位移，确定预应力调控程度，从而弥补重组竹蠕变及预应力筋松弛导致的预应力损失，实现重组竹强度的充分利用，增大重组竹梁跨度，节约材料，提高构件承载能力。
Built-in steel pipe formed adjustable prestress recombined bamboo beam and machining method
一种内置钢管成型可调控预应力重组竹梁及加工方法
GUO NAN (Autor:in) / MEI LIDAN (Autor:in) / LI MINGFEI (Autor:in) / ZHOU SHOUTING (Autor:in) / LI LING (Autor:in) / ZHAO YAN (Autor:in) / LIU PIJIN (Autor:in)
11.05.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E04C
STRUCTURAL ELEMENTS
,
Bauelemente
/
B27J
Mechanische Bearbeitung von Rohr, Kork oder ähnlichen Werkstoffen
,
MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
/
B27L
Entrinden oder Entfernen von Astresten
,
REMOVING BARK OR VESTIGES OF BRANCHES
/
B27N
Herstellung von Gegenständen im Trockenverfahren, mit oder ohne Zusatz von organischem Bindemittel, aus Spänen oder Fasern, die aus Holz oder anderem lignocellulosehaltigem oder ähnlichem organischen Material bestehen
,
MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
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