Abstract:
There is provided a method for drilling a cased hole and installing a micropile. A sonic drilling apparatus is positioned at a desired location. The sonic drilling apparatus includes a rotating and vibrating apparatus for rotating and vibrating a drill string into the ground. A retrievable drill bit is operatively connected to the drill string. The cased hole is drilled to a desired depth by rotating and vibrating the drill string into the ground. The retrievable drill bit is retrieved from the cased hole following the drilling of the cased hole to the desired depth. A micropile is lowered into the cased hole following the retrieval of the retrievable drill bit. Grouting material may be discharged into the cased hole before or after the drill string is removed from the ground. In another embodiment, a removable drill bit may be used in place of the retrievable drill bit.
Abstract:
A piling device 10 including a support frame 12 and a footing 20 for mounting the frame 12. A mechanism 22 for gripping a pile P and a mechanism 26 for driving the pile P into the ground is provided. Each of the mechanisms 22 and 26 can be connected to and supported by the frame 12, and a pivotal connection can be made. The frame 12 can include an opening 38, 40 for removing the device from around the pile P while the footing 20 can enable movement of the device 10.
Abstract:
A piling device 10 including a support frame 12 and a footing 20 for mounting the frame 12. A mechanism 22 for gripping a pile P and a mechanism 26 for driving the pile P into the ground is provided. Each of the mechanisms 22 and 26 can be connected to and supported by the frame 12, and a pivotal connection can be made. The frame 12 can include an opening 38, 40 for removing the device from around the pile P while the footing 20 can enable movement of the device 10.
Abstract:
The invention relates to a bulkhead (30) formed of a number of metal tongue-and-groove elements (1a, 1b, 1c) into soil (M), the tongue-and-groove elements comprising a tubular tongue (3) closed at the lower end by a tip element (11), and a tubular groove (2) with a longitudinal slot (8) provided in the housing, and a web (4) connecting the tongues-and-grooves. The tongues include at their lower ends pile shoes (5) consisting of a tip element (10) and a collar (12), the maximum diameter (D1) of which is larger than the outer diameter (D2) of the tongue and at least equal to the distance (W2) of the central line of the tongue and the outer surface of the groove, and flow apertures (17) for mortar (B). The flow apertures open from the interior (13) of the tongue above the collar. In the bulkhead, the interior of the tongue and the space between the tongue and the groove are filled with mortar, and possibly, the grooves are covered by a mortar layer. The invention also relates to a method for forming a bulkhead sealed with mortar and the tongue-and-groove element for the bulkhead.
Abstract:
The foundation construction machine (1) comprises a self-moving or mobile assembly (2) configured to move on the ground, thus moving the foundation construction machine (1); an upper structure (3), mechanically connected to said self- moving or mobile assembly (2), said upper structure (3) being equipped with at least one predefined access point (3A, 3B, 3D) configured to allow a person to gain access to said upper structure (3), and being equipped with at least one walkway surface (7, 16, 18, 21), whereon a person accessing the upper structure (3) will be able to stand or walk. A mast or boom (4) is mechanically connected to the upper structure (3), whereon an operating equipment (5) is configured to be mounted in order to drill the ground. At least one presence sensor (20) is integrally mounted to the upper structure (3), so oriented and configured as to monitor a monitoring region integral with said upper structure (3) and covering said at least one walkway surface (7, 16, 18, 21), said at least one presence sensor (20) being configured for detecting the presence of a solid body in said monitoring region and for sending a detection signal representative of the presence of said solid body. A control system (9) is operationally connected to said at least one presence sensor (20), and is configured for receiving said detection signal from said at least one presence sensor (20) and for sending at least one control signal intended to cause said foundation construction machine (1) to execute at least one predetermined function when said detection signal is representative of the presence of a solid body situated in proximity to said at least one walkway surface (7, 16, 18, 21).
Abstract:
Devices, systems, and methods for installing earth anchor foundations and/or conducting load tension tests on earth anchors used to secure structures, such as solar platforms, trellises, tents, decking, bleachers, telephone poles, powerlines, construction scaffolding, and the like. In one example, the device includes a base plate, a plurality of elongate telescoping members extending from the base plate and containing a crank mechanism. A drive shaft on the upper member is coupled to the crank mechanism to raise and lower the upper member relative to the base plate. A support arm or shelf is provided on the upper member for raising a frame during installation of the structure, and a testing hook is provided on the upper member for conducting a load tension test on one or more earth anchors used to secure the structure using a load measurement device coupled to the hook and the earth anchor(s).
Abstract:
Die Anmeldung betrifft eine Tiefbauvorrichtung (1) mit einem Unterwagen (10) mit Raupenfahrwerk, einem Oberwagen (11), der auf dem Unterwagen (10) angeordnet ist, und einem Mast (14), welcher vertikal gerichtet an dem Oberwagen (11) angebracht ist, wobei an einem oberen Bereich des Mastes (14) mindestens eine Kamera (30) angeordnet ist, durch die ein Bild der Tiefbauvorrichtung (1) und ihrer Umgebung erfassbar ist.
Abstract:
Sont décrits un appareil et une méthode pour enfoncer des pieux avant de soulever et stabiliser une fondation qui s'est affaissée dans un sol instable. Une tête de presse, comprenant deux bras antidérapants actionnés par un levier de sécurité, est reliée à une chaise de fondation fixée à la fondation par une paire de vérins hydrauliques afin d'enfoncer les pieux dans le sol jusqu'au roc quand les vérins se rétractent. L'appareil inclue un système de sécurité actionné par le levier pour le contrôle des bras. Pour remettre le bâtiment à niveau, on installe d'autres vérins hydrauliques sur chaque pieu enfoncés et qui sont tous connectés en série afin de les actionner simultanément pour lever le bâtiment. Lorsque les fondations ont été suffisamment élevées et nivelées, chaque pieu et la chaise de fondation correspondante, tous les deux en acier, sont soudés pour stabiliser les fondations.
Abstract:
Apparatus for making foundation pilings includes a lead section with screw threads, at least one extension section, and a bit carried by the first of the extension sections. The bit slides onto the first, lower end of the extension section and is operable to compress the soil laterally to the extension sections and form a lateral groove in the soil. Grout fills the annular region of the hole bored by the apparatus including the grooves for lateral stability. Each extension section is formed to fit into the next one and to be secured to it by lateral bolts. The bolt heads prevent the bit from moving vertically as the lead section advances into the soil. Bits may be added to increase the size of the opening bored.
Abstract:
본 발명은 지반 굴착용 파일 가이드 구조 및 이를 이용한 파일 설치공법에 관한 것으로, 더욱 상세하게는 단위 유닛으로 구성되며 한 쌍이 상호 마주보도록 배치되는 본체모듈; 단위 유닛으로 구성되며 파일 삽입을 가이드 하도록 한 쌍의 상기 본체모듈의 마주보는 면에 각각 하나 이상씩 대향하여 체결되는 가이드유닛;을 포함하여 파일의 직경이 다른 경우에도 미리 제작된 가이드구조를 가변적으로 운용할 수 현장적용성이 향상되며, 캡콘크리트 시공시 본체모듈을 이용하여 캡콘크리트의 타설공간을 형성할 수 있어 별도의 거푸집 시공이 필요치 않아 시공성이 우수한 장점이 있는 지반 굴착용 파일 가이드 구조 및 이를 이용한 파일 설치공법에 관한 것이다.