A kind of prefabricated assembled basis of tower mast structure
The invention belongs to tower mast building technology field, particularly relate to a kind of by each for basis component by (as securing member etc.) be spliced one, stressed, can be prefabricated assembling type base jointly.
In the existing communication technology, the foundation main of tower mast structure will adopt cast-in-situ steel reinforced concrete base form.Cast-in-situ steel reinforced concrete basis needs the multiple tracks working procedures such as formwork, reinforcing bar binding, fluid concrete, maintenance at the construction field (site), and can install portion's structure after needing base concrete maintenance to reach design strength.Therefore, there is the defect of construction process complexity in it.In addition, the construction period of cast in situ concrete foundation is about about 28 days, and the cycle is longer, large to job site ambient influnence, and basis can only single use, easily produces a large amount of building waste, cause the wasting of resources, do not meet the requirement of environmental protection that modern society advocates and civilized construction.
Therefore, there is above-mentioned defect in the basis for existing tower mast structure, also occurs the prefabricated basis that some are suitable at present, to meet the requirement not affecting the job site particular surroundings such as Urban Greening band and surrounding enviroment and duration anxiety.This type of prefabricated foundation is prefabricated in the factory, and quality is guaranteed; And generally not needing wet trade at the construction field (site), work progress is convenient, fast; Prefabricated foundation can also be reused, and has met the requirement of environment protecting and power-saving and civilized construction.But, because the basis of tower mast structure is not of uniform size, when prefabricated foundation is used for larger structure, basis volume and floor space larger, if integral manufacturing, then make, transport, installation etc. is all very inconvenient.
Summary of the invention
For prior art above shortcomings, the invention provides one and effectively can reduce job site operation and effectively can control the engineering time, each for basis component to be spliced one, jointly stressed, assembling type base that can be prefabricated by (as securing member etc.).
In order to coordinate the demand of base station Fast Construction, the present invention changes tower body basis as preformed patterns into by traditional site operation formula, concrete technical scheme is as follows: a kind of prefabricated assembled basis of tower mast structure, comprise sole plate, basic short column and basic side plate, described basic short column is fixed on sole plate, and the top of described basic short column arranges built-in fitting; Described basic side plate is fixedly connected on the side of described sole plate.
Preferably, between the side of sole plate and the corresponding side of basic side plate, be provided with suitable built-in fitting, both corresponding built-in fitting welding.
Preferably, between the side of sole plate and the corresponding side of basic side plate, be provided with suitable built-in fitting, the removable connection by securing member of both corresponding built-in fittings.
Preferably, the built-in fitting of sole plate is that two arrangements are put, and leave spacing between two rows built-in fitting, the cross section of built-in fitting is I-shaped, and opposing upper and lower on have hole; Corresponding, basis side plate is fixedly installed row's built-in fitting, and the cross section of built-in fitting is I-shaped, and its height is suitable with the spacing of two built-in fittings up and down of sole plate, its upper and lower both sides respectively have hole, corresponding with the hole that two built-in fittings up and down of sole plate are offered respectively; The built-in fitting of basis side plate inserts between the two corresponding up and down built-in fittings of sole plate, and the built-in fitting being penetrated basic side plate by the securing member hole corresponding with the built-in fitting of sole plate and fixing.
Preferably, sole plate, basic short column respectively establish one, and both in rectangular-shaped, basic short column is on the middle part of sole plate, and the width of basic short column is equal with the width of sole plate, and both are T-shaped and one-body molded.
Preferably, arrange the basic side plate described in two pieces, two blocks of basic side plates are all rectangular-shaped, and the both sides of described sole plate are located at symmetrically by two blocks of basic side plates, and basic side plate is equal with the length of sole plate, highly difference.
Preferably, the built-in fitting on described basic short column welds with described tower mast or removablely by securing member to be fixedly connected with.
Preferably, the built-in fitting on sole plate is that ranks arrangement mode is laid.
For the large scale prefabricated basic Problems existing of existing monolithic, the present invention has found a kind of structure prefabricated assembled basis that is simple and that reasonably formed by the assembled of basic piecemeal, and it is assembled into overall basis again by precast block to job site.
Compared with prior art, the present invention has significant technique effect:
One is the basis adopting preformed patterns, decreases on-site construction time and effectively can control the engineering time.
Two are the reduction of the impact that infrastructure brings to surrounding environment, substantially increase the efficiency and success rate of building a station base station.
Three is prefabricated foundations by piecemeal, and the processes such as its making, transport, installation are all very easy.
Accompanying drawing explanation
Fig. 1 is the perspective view of an embodiment of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the front elevation drawing of Fig. 1.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the STRUCTURE DECOMPOSITION figure of an embodiment of the present invention.
Detailed description of the invention
Consider the requirement of basis deadweight and transport restrictions, the present invention is divided into polylith prefabricated foundation, and by effectively reliably connecting, makes each piece of entirety stressed, to reach design instructions for use.Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
As Figure 1-5, the prefabricated assembled basis of the present embodiment comprises sole plate 2, basic short column 1 and two blocks of basic side plates 3, sole plate 2, basic short column 1 and two blocks of basic side plates 3 are all rectangular-shaped, basis short column 1 is on the middle part of sole plate 2, the width of basis short column 1 is equal with the width of sole plate 2, both T-shaped shapes and one-body molded.The top of basis short column 1 arranges multiple built-in fitting or pre-buried steel component 1-1, and it is fixedly connected with tower mast (can be weld or be connected by securing member etc. is removable) by built-in fitting or pre-buried steel structure 1-1.
Two blocks of basic side plates 3 are in the both sides of sole plate 2, and basic side plate 3 is equal with the length of sole plate 2, highly difference.The two sides of sole plate 2 are all fixedly installed multiple pre-buried steel component 2-1 along its length, multiple steel beam column 2-1 is that two row seven row are arranged, spacing is left between two rows steel beam column 2-1, the cross section of steel beam column 2-1 is I-shaped, and one side opposing upper and lower having six holes, six holes are that 3X2 ranks shape is arranged; Corresponding, one side of basis side plate 3 is also fixedly installed row's pre-buried steel component 3-1, the cross section of steel beam column 3-1 is I-shaped, its height is suitable with the spacing of upper and lower two steel beam column 2-1, its upper and lower both sides respectively have six holes, corresponding with the hole that upper and lower two steel beam column 2-1 offer respectively.The both sides of sole plate 2 are located at symmetrically by two blocks of basic side plates 3, and the steel beam column 3-1 of basic side plate 3 just inserts up and down between two steel beam column 2-1 of sole plate 2, and penetrates the steel beam column 3-1 hole corresponding with steel beam column 2-1 by securing member 4 and fix.
Above-mentioned employing detachable type connects, convenient transport, quick for installation, and is convenient to follow-up dismounting, maintenance, replacing parts etc.Certainly, also can directly be fixedly connected with by welding between steel beam column 3-1 with steel beam column 2-1.
Certainly, the present invention is not limited to above-mentioned embodiment, no matter do any change on its shape size, every technical scheme utilizing basic component building block principle of the present invention to implement, all drops within protection scope of the present invention.In a word, protection scope of the present invention should comprise those for those of ordinary skills apparent conversion or substitute and change shape.