RU2276708C1 - Method for highly-rigid panel foundation erection in clay ground - Google Patents

Abstract

FIELD: building, particularly panel foundations for multistory buildings and structures, which apply non-uniform loads to ground base.

SUBSTANCE: method involves forming crossing slots in ground; reinforcing the slots with frames and concreting the slots. For panel foundation erection in clay ground pit is preliminarily dug in ground. Then crossing slots adapted for reinforcing frames receiving are created in pit ground, wherein the reinforcing frames have projected parts. Areas of reinforcing frames intersection are additionally reinforced along with connecting projected parts and concreting thereof to fill the slots.

EFFECT: increased operational effectiveness and reduced costs.

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Description

The invention relates to construction and can be used in the construction of slab foundations of multi-storey buildings and structures, transmitting significant, often uneven, loads to the foundation soil.

A known method of construction of the foundation on weak water-saturated clay soils (see A.S. 1622526, E 02 D 27/01, 1991).

A disadvantage of the known technical solutions is the flexibility of the plate with a small thickness and a large dead weight with increasing thickness of the plate.

Also known is a method of finning plates (Vasilkov G.V. Evolutionary tasks of structural mechanics. Rostov-on-Don. Info-Service 2003, p.121), which can significantly increase their rigidity. The construction of slabs with ribs facing up, requires the use of formwork, which increases the cost of work. At the same time, with the installation of plates with ribs up, the use of the volume of the premises is complicated.

A known method of constructing a slab foundation, including the device in the ground intersecting slots, reinforcing them with frames and concreting (see RU 2079617 C1, E 04 G 11/02, E 02 D 5/20, 05/20/1997), adopted as a prototype.

The technical solution to the problem is to increase the manufacturability of construction work and reduce the cost of fins of plates.

This goal is achieved by the fact that the method of erecting a slab foundation includes intersecting slots in the soil, reinforcing them with frames and concreting, according to the invention, when excavating a slab foundation in clay soils, the foundation pit is first opened and intersecting slots are made in the ground to accommodate reinforcing cages with outlets, intersection sections the frames are additionally reinforced, the outlets are combined with the reinforcement of the slab and concreted by filling the slots "at the spreader".

The novelty of the proposed method is due to the fact that it solves the problem of the device plate with ribs directed downward, without the use of formwork.

The invention is illustrated in the drawing, where in Fig.1 shows the device of the slots, and in Fig.2 - a plate with stiffeners.

The implementation of the method is performed in the following sequence:

in a pit 1, a chain excavator 2 cuts through the cracks 3 necessary for the arrangement of ribs 4. Reinforcement frames 5 are inserted into them. The intersections of the ribs 4 are additionally reinforced, ensuring compatibility. The reinforcing cages 5 have outlets 6 for combining with the reinforcement 7 of the plate 8. Then the ribs are concreted, filling the gaps “in the spacer”.

Claims (1)

A method of erecting a slab foundation, including a device in the soil of intersecting slots, reinforcing them with frames and concreting, characterized in that when erecting a slab foundation in clay soils, the foundation pit is first torn apart and intersecting slots are made in its soil to accommodate the reinforcing cages with outlets, the sections of the intersections of the frames are additionally reinforce, combine the outlets with the reinforcement of the slab and concrete, filling the gaps "in the spacer".

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