A kind of double-row pile structure that is provided with vertical anchor pole
Technical field
The utility model relates to a kind of building foundation pit supporting structure, particularly relates to a kind of double-row pile structure that is provided with vertical anchor pole.
Background technology
Along with the development of urbanization process, the building of downtown area was more and more intensive in recent years, and traffic above-ground is also more and more crowded, and the development and use of the underground space have become a new focus of Modern Urban Planning and construction.Some relatively advanced cities have begun to form the underground synthesis in city, comprise underground street, underground store, underground parking etc., and the underground space is complete.And the underground engineering construction technology is the key of underground space development, at present common foundation pit supporting construction type put slope, soil nailing wall, diaphragm wall, stake add in support and draw anchor supporting etc.But there are some excavation of foundation pit areas big, complicated geology, closing on has building not allow to put the slope, and ground does not have bigger sinking, displacement near not allowing, and unsuitable supporting and protection structure engineering of establishing anchor pole or interior support adopts conventional supporting and protection structure comparatively improper.
Under this kind construction environment, can use the double-row pile structure to carry out supporting; Though but double-row pile structure resistance to overturning in the past is good; And anti-side rigidity is big, but the ability that its whole overturning or slip resistance analysis and antiskid move is not outstanding, can not well be applicable to this kind construction environment.
The utility model content
For addressing the above problem, the utility model provides a kind of double-row pile structure that is provided with vertical anchor pole with better overturning or slip resistance analysis and slippage ability.
The utility model solves the technical scheme that its technical problem adopted:
A kind of double-row pile structure that is provided with vertical anchor pole, comprise be arranged in parallel two groups before campshed and back campshed, the top of preceding campshed and back campshed is provided with the stake top that is used to be coupled to each other and supports and connects beam, is provided with vertical anchor pole in preceding campshed and/or the back campshed.
Further as the improvement of the utility model technical scheme, preceding campshed includes many piles body with the back campshed, the rectangular array arrangement of pile body of preceding campshed and back campshed.
Further as the improvement of the utility model technical scheme, preceding campshed includes many piles body with the back campshed, and preceding campshed is arranged with the pile body each interval of back campshed.
Further as the improvement of the utility model technical scheme, in the campshed, vertical anchor pole passed preceding campshed and anchors in the soil layer before vertical anchor pole only was arranged at.
Further as the improvement of the utility model technical scheme, the height of each pile body all equates or is unequal.
The beneficial effect of the utility model: this utility model is formed the double-row pile structure that is provided with vertical anchor pole through two groups of preceding campsheds that are arranged in parallel and back campshed; Feasible being coupled to each other to strengthen its anti-side rigidity of a stake top company beam is set on the top of the double-row pile structure that is provided with vertical anchor pole; This double-row pile structure also is provided with vertical anchor pole in preceding campshed and/or back campshed simultaneously, can effectively improve the overturning or slip resistance analysis of this double-row pile structure and the ability that antiskid moves.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is first kind of arrangement form sketch map of the utility model embodiment pile body;
Fig. 2 is second kind of arrangement form sketch map of the utility model embodiment pile body;
Fig. 3 is the overall structure side schematic view of the utility model embodiment double-row pile.
The specific embodiment
With reference to Fig. 1~Fig. 3; The utility model is a kind of double-row pile structure that is provided with vertical anchor pole; Campshed 1 and back campshed 2 before comprising two groups that are arranged in parallel; Before the top of campshed 1 and back campshed 2 be provided with the stake top that is used to be coupled to each other and supports and connect beam 3, be provided with vertical anchor pole 4 in preceding campshed 1 and/or the back campshed 2.
This double-row pile structure that is provided with vertical anchor pole is formed through two groups of preceding campsheds that are arranged in parallel 1 and back campshed 2; The stake top is set on the top of double-row pile structure connects beam 3 feasible being coupled to each other to strengthen its anti-side rigidity; This double-row pile structure also is provided with vertical anchor pole 4 in preceding campshed 1 and/or back campshed 2 simultaneously; Can effectively improve the overturning or slip resistance analysis of this double-row pile structure and the ability that antiskid moves, and increase the excavation of foundation pit degree of depth.
As the utility model preferred embodiment, preceding campshed 1 includes many piles body 5 with back campshed 2, the pile body 5 rectangular array arrangements of preceding campshed 1 and back campshed 2.
As the utility model preferred embodiment, preceding campshed 1 includes many piles body 5 with back campshed 2, and preceding campshed 1 is arranged with pile body 5 each intervals of back campshed 2.
As the utility model preferred embodiment, the height of each pile body 5 all equates or is unequal.
These two groups of preceding campsheds 1 that are provided with the double-row pile structure of vertical anchor pole are formed by many piles body 5 with back campshed 2; In order to strengthen or to make the double-row pile structure obtain suitable anti-side rigidity; Campshed 1 can have multiple arrangement mode with back campshed 2 before this; Each pile body 5 rectangular array arrangement or be arranging of each interval form all be the utility model preferred embodiment, certain for other the arrangement form of pile body 5 that strengthens its anti-side rigidity also in the protection domain of the utility model.
As the utility model preferred embodiment, in the campshed 1, vertical anchor pole 4 passed preceding campshed 1 and anchors in the soil layer before vertical anchor pole 4 only was arranged at.
Be provided with in the double-row pile structure of vertical anchor pole at this; Vertical anchor pole 4 only is arranged in the preceding campshed 1; Preceding campshed 1 is through cement grouting with back campshed 2 and forms; Vertical anchor pole 4 is for inserting behind the drilling deep hole in the preceding campshed of accomplishing at cement grouting 1, and in order to strengthen the ability that its overturning or slip resistance analysis and antiskid move, and vertically anchor pole 4 has anchored in the soil layer of pile body 5 positions of preceding campshed 1.
Certainly; The invention is not limited to above-mentioned embodiment; Those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.