Ground support anchor and method of installation (options)

 

(57) Abstract:

Soil bearing anchor and methods of its units are intended for use in construction, agriculture, in the home. Ground support-anchor has a body to the lower part of which is firmly attached to the ends of the flexible rods directed along the body to its upper part, the free ends of the rods can be connected to the washer covering the body. In the upper part of the rods can be connected to the washer covering the body, and their free ends may be directed along the body to its upper part. The way to install ground support-anchor is that after immersion of the support in the ground it is lifted up to the achievement of the project's efforts, and to dip the rods extend from the housing at an angle from 15 to 45oformed between the casing and the rods. Another way of installing the device after penetration lead in working position by screwing an auxiliary coupling on the upper part of the housing and auxiliary pipes (ducts), dressed to the casing, after which the auxiliary sleeve and the pipe removed. The third installation method assumes when the translation support in the working position the auxiliary driving I in construction, agriculture, in the home.

Traditionally, the fastening rod, pipes, piles, post another leg in the ground is made by dipping the end into deep, providing stability support. When any action orientation of the load (top, bottom, side) the value of penetration less than the diameter of the prop and the density of the soil.

For additional strengthening in the soil under other equal conditions (soil density, diameter and amount of penetration of a leg) is usually in some way increase the area of the base of support. For example, before installing to the end attach the crossmember. Then-shaped portion bury, as in this case eliminates the clogging and therefore considerably more complicated operation for additional strengthening of support.

Known ground anchor comprising a housing, at least one pivotally mounted thereon the blade, wire rod, one end attached to the blade, a device for fixing the thrust when the working position of the blade and located under the hinge point for the clearance between the blade and the housing when the mounting position of the blade, characterized in that the anchor is supplied mounted on the building is as a device for fixing the thrust is made in the form of two rods, attached to the upper part of the body [1]. When installing the anchor after its penetration into the soil commit pull off and when lifting up the blade rotates to the stops.

The known device has a complex structure. In addition, it is not intended for use as a support under the action of load from the top down.

Also known ground anchor, including the trunk (body) with the hinge mounted blades, made in the form of a flexible lashes, consisting of separate elements with beveled ends are interconnected by means of hinges and leaf springs [4].

After lowering the anchor to the desired depth to make him withstand the force of the spring unfold the adjacent elements of the blades to the stop protrusions some of them in other cuts. However, this anchor has a complex structure, due to the different flexibility of the individual parts of the blades is reduced reliability in heterogeneous soils.

The closest known is the anchor that includes an inventory of the rod with a pair of wedge ribs located in the same plane, the rotary blades with longitudinal ribs, a common hinge is attached to the lower end of the thrust, and each of the common axis of the hinge and offset from the center of gravity [5].

The closest way to install anchor is known from the same source, the way in which the device is closed, the blade is immersed to a predetermined depth, then the blades deploy using rod force and by the bar is forced partially open, and then under the application of a traction effort disclose fully.

The disadvantages of the known device and method are the complexity of the design, materials, not work, especially in heterogeneous soils, efforts to dive into the ground due to the large area of the blades and their uneven flexibility.

The objective of the invention is to simplify the design of the device, the improved method of installation, extended field use.

To solve the problem in ground support-anchor consisting of a body, to the lower part of the body is firmly attached to the ends of the flexible rods directed along the body to its upper part. In ground support-anchor the free ends of the rods can be connected to the washer covering the body. In ground support-the anchor at the top of the rods can be connected to the washer covering the body, and their free ends when the is after immersion of the support in the ground it is lifted up to the achievement of the project's efforts, and the pre-dipping the rods extend from the housing at an angle from 15 to 45oformed between the casing and rods.

Another way to install ground support is that the device initially deepened into the ground at full depth, and then transferred to the working position by screwing an auxiliary coupling on the upper part of the housing and auxiliary pipes (ducts), dressed in the building, but before diving support into the ground rods extend from the housing at an angle from 15 to 45oformed between the casing and the rods in place of their attachment, and after transfer of support in the working position of the auxiliary clutch and the auxiliary pipe is removed.

The third way to install ground support-anchor is that after immersion of the support in the ground it is transferred into the working position by means of an auxiliary pipe (boxes), dressed in the building, but before diving support into the ground rods extend from the housing at an angle from 15 to 45oformed between the casing and the rods in place of their attachment, for translation support in the operating position of the auxiliary pipe C with washer, connected with the free ends of the rods; Fig. 3 - the same, when the washer is attached to the upper parts of the rods, and their free ends are directed upwards of Fig. 4 - working position in the ground of the device shown in Fig. 3, after pressing the auxiliary pipe; Fig. 5 - section A-A in Fig. 1; Fig. 6 - section B-B in Fig. 2; Fig. 7 - section C-C in Fig. 3; Fig. 8 - section D-D in Fig. 4.

Soil bearing anchor includes a housing 1, to the bottom of which is attached the lower ends of the flexible rods 2 directed along the body to the top.

The free ends of the rods 2 can be connected to the washer 3, covering the housing 1. In the upper part of the rods 2 can be connected to the washer 3, covering the housing 1, and the free ends of the rods when it is directed along the body to the top.

How to install devices. Before installing the rods extend from the housing at an angle from 15 to 45oformed between the casing and the rods in place of their attachment. The angle depends on the number and diameter of the rods to their flexibility, soil density. The lower the density, the greater the angle. Preparing to install for the second and third devices is, moreover, in that case dresses where is ruzena support in the soil is usually: with a sledgehammer, hammer, another way. However, depending on soil density rods more or less deviates from the original position to the side of the hull, being able to return to its original position. In the case of pulling out the supports they will diverge, increasing the resistance of the current load.

After immersing the supports into the ground the way its working position is determined by the purpose of support. The first device of the stated group is mainly used as an anchor. Translation into working position lies in its pripodniatii up. The rods thus diverge, increasing bearing surface, improving the contact of the working body (support) with the environment (soil).

After diving into the ground at full depth and depending on the mission ground support-anchor auxiliary pipe (duct), dressed to the device, or score with a sledgehammer, hammer, another way (in this case, an auxiliary clutch is not screwed on the body), or pushed into the ground by means of an auxiliary support in the form of a clutch, located on the frame in a different way. It should be borne in mind that the score of the auxiliary pipe (duct) easier and faster, but one soil due to deformation of the rods. During indentation further deepening of the device does not occur, but it is more laborious and time consuming process compared to driving the auxiliary pipes (ducts). So score mainly when using the device as a support for the actions of payload top-down and press the auxiliary pipe (duct) mainly when the load from the bottom up. Not excluded and reverse option.

As the penetration of the auxiliary pipes (ducts) air pressure her to the auxiliary washer and respectively on the rods increases, they diverge, penetrating deeper into the soil and compacting it. Thereby improving the contact of the working body (support) with the environment (soil). Thus the surface area of contact is increased several times, and accordingly increases the possible marginal payload support.

In Fig 4, 8 shows the working position of the third device in the ground after pushing the auxiliary pipe 4 with an auxiliary clutch 5. Role washers plays in this case the middle portion of each rod 2, the wrapped ring 3 around the casing 1, the free ends of the rods are directed along the body towards the top is supplemented flax reference coupler is removed. They played a role and are used in the following to install other similar devices. But you can optionally auxiliary pipe (duct) and the coupling to leave on the support body.

The proposed device can be made of improvised materials directly at the installation site. When experimental development design and method of installation was used as a chassis device - gas pipe external diameter of 23 mm, an auxiliary pipe - pipe external diameter 35 mm, rods, wire diameter of 4 mm, the Number of rods, their length depends on the diameter and type of material, density of the soil. The free ends of the rods projecting beyond the puck, play an important role in the case, when the device is used as an anchor. They significantly increase the allowable payload, the cost of pulling the device from the ground. Limit payload increases generally 20 times.

The use of the proposed devices and methods of their installation will simplify the design of the traditional supports, making it easier for them by reducing the diameter and the depth in the soil, to reduce labor costs and installation time, which is especially important when usage of the Wai bearing-anchor, consisting of a body, wherein the lower housing is firmly attached to the ends of the flexible rods directed along the body to the top.

2. Bearing-bolt under item 1, characterized in that the free ends of the rods are connected with the washer covering the body.

3. Bearing-bolt under item 1, characterized in that the upper part of the rods is connected to the washer covering the body, and their free ends are directed along the body to the top.

4. The way to install ground support-anchor, namely, that after immersion of the support in the ground it is lifted up to the achievement of the project's efforts, characterized in that the pre-immersion rods extend from the housing at an angle of 15 - 45oformed between the casing and rods.

5. The way to install ground support-anchor, namely, that the first device bury into the ground at full depth, and then transferred to the working position by screwing an auxiliary coupling on the upper part of the housing and auxiliary pipes (ducts), worn on the body, characterized in that before diving support into the ground rods extend from the housing at an angle of 15 - 45oformed between the pipe is removed.

6. The way to install ground support-anchor, namely, that after immersion of the support in the ground it is transferred into the working position by means of an auxiliary pipe (boxes), worn on the body, characterized in that before diving support into the ground rods extend from the housing at an angle of 15 - 45oformed between the casing and the rods in place of their attachment, for translation support in the operating position of the auxiliary pipe hammer, and then removed.

 

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FIELD: bulkheads, piles, or other structural elements specially adapted to foundation engineering, particularly concrete or concrete-like piles cast in position with enlarged footing or enlargements at the bottom of the pile.

SUBSTANCE: reinforcement device is used to erect pile foundation with the use of foundation pile having at least one longitudinal cavity. Reinforcing device comprises a number of joined reinforcement members hingedly connected with central annular member located so that reinforcement device may be collapsed during installation and erected during device usage. Reinforcement device is connected to pile by at least one member working in tension. Foundation pile reinforced with the use of said device and method for foundation pile driving and pile bottom reinforcement are also disclosed.

EFFECT: increased uniformity of reinforcement distribution over pile bottom, improved compression and stretching force damping, decreased labor inputs and material consumption.

36 cl, 25 dwg

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