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    • 2. 发明申请
    • Rapidly-deployable lightweight load resisting arch system
    • 快速部署的轻量级负载抵抗拱系统
    • US20060174549A1
    • 2006-08-10
    • US11043420
    • 2005-01-26
    • Habib DagherEric LandisImad El Chiti
    • Habib DagherEric LandisImad El Chiti
    • E04B1/32
    • E02D29/05E04B1/168E04B1/3205E21D11/10E21D11/18E21D15/483
    • A rapidly-erectable lightweight load resisting system for the construction of buried arched bridges, tunnels or underground bunkers, has a plurality of lightweight arched tubular support members which are formed of a fiber reinforced polymer material and are substantially oriented in a vertical plane. The lightweight tubular support members are connected by at least one or more lateral force resisting members which are positioned in a direction perpendicular to the vertical plane of the tubular support members, and which are capable of transferring vertical loads to the tubular support members and of providing lateral-load capacity to the load resisting system. The tubular support members are fitted with one or more holes near the top which allows them to be filled with a suitable material to provide additional strength or stiffness.
    • 用于建造埋弧拱桥,隧道或地下掩体的快速可直接轻量级承载系统具有多个轻质的拱形管状支撑构件,其由纤维增强的聚合物材料形成并且基本上定向在垂直平面中。 轻质管状支撑构件通过至少一个或多个横向阻力构件连接,所述至少一个或多个横向阻力构件沿垂直于管状支撑构件的垂直平面的方向定位,并且能够将垂直载荷传递到管状支撑构件并提供 横向承载能力承载体系。 管状支撑构件在顶部附近装有一个或多个孔,这允许它们填充合适的材料以提供附加的强度或刚度。
    • 5. 发明授权
    • Prestressing system for wood structures and elements
    • 木结构和元素的预应力系统
    • US06170209B2
    • 2001-01-09
    • US08964541
    • 1997-11-05
    • Habib DagherBeckry Abdel-Magid
    • Habib DagherBeckry Abdel-Magid
    • E04C508
    • E04C5/085E04C3/185E04C3/292E04C5/127
    • The present invention is a prestressing system for wood elements and structures and a method from prestressing wood beams. In its most basic form, the system for prestressing structures comprises a plurality of members arranged in a predetermined configuration, at least one non-metallic prestressing tendon, having a material stiffness less than that of steel, disposed in such a manner as to fasten together the members, and stressing means attached to at least one end of the prestressing tendon to exert a tensile force on the tendon and an equal and opposite compressive force drawing the members together. In the preferred embodiment, the tendons are manufactured from fiber reinforced plastic and the members are arranged in side by side relation to form a deck. The deck includes a series of aligned holes through the members, through which the prestressing tendons pass and are secured and prestressed. In alternate embodiment of the invention, prestressing tendons are used to secure and prestress stress laminated T sections and box sections and to secure timber trusses. The present invention is also directed to a system and method for prestressing beams. In its most basic form, the system comprises at least one nonmetallic tendon, at least one opening disposed longitudinally through a lower portion of the element, a pair of anchors disposed at the ends of each prestressing tendons, and a pair of bearing plates disposed between the anchors and the bearing surface of the beam. In operation, the tendons are disposed within the opening, the bearing plates are disposed against the bearing surfaces and the anchors are tightened such that a tensile force is exterted on the tendons and such that said bearing plates exert a substantially equal an opposite compressive force on the element beam. In an alternate embodiment, the opening is filled along the tendon with a resin and the anchors are removed after the resin has cured.
    • 本发明是用于木材元件和结构的预应力系统以及预应力木梁的方法。 在其最基本的形式中,用于预应力结构的系统包括以预定构造布置的多个构件,至少一个非金属预应力筋,其材料刚度小于钢的刚度,以紧固在一起的方式设置 所述构件和附接到所述预应力筋的至少一端的应力装置在所述腱上施加张力,并且将所述构件一起拉伸到相等且相反的压缩力。 在优选实施例中,腱由纤维增强塑料制成,并且构件并排设置以形成甲板。 甲板包括穿过构件的一系列对准的孔,预应力钢筋通过该孔通过并被固定和预应力。 在本发明的替代实施例中,预应力筋用于固定和预应力层压的T型材和箱形部分并且固定木桁架。 本发明还涉及用于预应力梁的系统和方法。 在其最基本的形式中,系统包括至少一个非金属腱,纵向延伸穿过元件的下部的至少一个开口,设置在每个预应力腱的端部处的一对锚固件和一对支承板, 梁和支撑面的梁。 在操作中,将钢筋设置在开口内,支承板抵靠轴承表面设置,并且锚固件被拧紧,使得张力在钢筋上被排出,并且使得所述支承板在其上施加大致相等的相反的压缩力 元件梁。 在替代实施例中,通过树脂沿着腱填充开口,并且在树脂固化之后去除锚。
    • 7. 发明授权
    • Resin starved impregnated panels, wood composites utilizing said panels and methods of making the same
    • 树脂饥饿浸渍面板,利用所述面板的木材复合材料及其制造方法
    • US06281148B1
    • 2001-08-28
    • US09014360
    • 1998-01-27
    • Habib DagherBeckry Abdel-MagidStephen M. Shaler
    • Habib DagherBeckry Abdel-MagidStephen M. Shaler
    • B32B2704
    • B32B21/10B27N3/04B29C70/088Y10T428/31989Y10T442/2098
    • The present invention is a resin-starved pultruded-impregnated panel, wood composites utilizing said panel, and a method of making the same. The panel of the present invention comprises a pultruded center portion made from a plurality of fibers bound together by a resin such that the surfaces of the center portion contain significantly less resin than the core, and a layer of an impregnating adhesive, having similar chemical properties to chemical properties of a bonding adhesive used to laminate layers of the wood composite, bonded to each surface to form the surfaces of the panel. The wood composite of the present invention comprises a plurality of wooden members disposed in substantially parallel relation to one another, at least one resin starved pultruded panel disposed at a predetermined location between two of the members; and a bonding adhesive disposed between the surfaces of the members the panel to bond them together. The method of the present invention comprises the steps of forming a resin starved pultruded impregnated panel by forming a pultruded center portion having a pair of resin starved surfaces, impregnating the surfaces with an impregnating adhesive, removing a portion of the impregnating adhesive to form a substantially smooth flat surface, and curing the remaining adhesive, disposing the panel between at least two wooden members, and bonding the panel and wooden members together to form a wood composite.
    • 本发明是一种树脂缺乏的拉挤型浸渍面板,利用所述面板的木材复合材料及其制造方法。 本发明的面板包括由多根纤维制成的拉挤中心部分,所述纤维由树脂粘合在一起,使得中心部分的表面含有比芯部明显更少的树脂,以及具有相似化学性质的浸渍粘合剂层 用于层压木材复合材料层的粘结粘合剂的化学性质,粘合到每个表面以形成面板的表面。 本发明的木质复合材料包括多个彼此基本平行地设置的木制构件,至少一个设置在两个构件之间的预定位置处的树脂空缺的拉挤板; 以及粘合粘合剂,其设置在所述面板的所述构件的表面之间以将它们结合在一起。 本发明的方法包括以下步骤:通过形成具有一对树脂缺乏表面的拉挤中心部分,用浸渍粘合剂浸渍表面,除去一部分浸渍粘合剂以形成基本上 平滑的平坦表面,并固化剩余的粘合剂,将面板设置在至少两个木制构件之间,并将面板和木构件粘合在一起以形成木质复合材料。