Scattered pile and strong net foundation leveling system for steeled storage tank foundations
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A storage tank foundation and foundation technology, which is applied in the field of foundation leveling system with sparse piles and strong nets, can solve the problems of difficult construction, poor earthquake resistance, and large number of pile foundations, and achieve low construction difficulty, increase bearing capacity, and increase the number of pile foundations. little effect
Active Publication Date: 2013-09-04
中国中化股份有限公司 +3
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[0005] In order to reduce the inclination deformation of the steel storage tank foundation for land reclamation and solve the problems of many pile foundations, difficult construction, long construction period, high cost
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Embodiment 1-2
[0047] Embodiment 1-2 This embodiment is completely the same as Embodiment 1-1 except that the following technical data are different from Embodiment 1-1.
[0048] The reinforced pile pile cap 109 is a cylinder, and the diameter of the top surface of the cylinder is 5d 2 , that is, 1200mm×5=6.0m, and the thickness is 1.5m.
Embodiment 1-3
[0049] Embodiment 1-3 This embodiment is completely the same as Embodiment 1-1 except that the following technical data are different from Embodiment 1-1.
[0050] The supporting pile pile cap 106 is a cylinder, and the diameter of the top surface of the cylinder is 5d 1 , that is, 1600mm×5=8.0m, and the thickness is 1.5m.
Embodiment 1-4
[0051] Embodiment 1-4 This embodiment is completely the same as Embodiment 1-1 except that the following technical data are different from Embodiment 1-1.
[0052] The supporting pile pile cap 106 is a cylinder, and the diameter of the top surface of the cylinder is 5d 1 , namely 1600mm×5=8.0m, the thickness is 1.5m;
[0053] The reinforced pile pile cap 109 is a cylinder, and the diameter of the top surface of the cylinder is 5d 2 , that is, 1200mm×5=6.0m, and the thickness is 1.5m.
[0054] Example 2-1 Foundation Leveling System for Differential Settlement Control Prepared for the Construction of a Crude Oil Steel Storage Tank with a Reserve of 100,000 Cubic Meters
[0055] The crude oil steel storage tank is planned to be built on a soft soil foundation, and the surface layer of the soft soil foundation 110 is covered with a hard shell layer with a thickness of 8m and a characteristic value of the foundation bearing capacity of 255kPa;
[0056] The leveling system is ins...
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Abstract
A scattered pile and strong net foundation leveling system for steeled storage tank foundations comprises a plurality of pile foundations and soft cushion platforms and is installed in a roundness area of a soft soil foundation field; the area is divided into a supporting area outside a ring and a reinforced area inside the ring; the pile foundations are thick and short; the pile foundations are divided into supporting piles and reinforced piles; the tops of the pile foundations are provided with large and thick rigid pile covers; the supporting piles and the reinforced piles are respectively and wholly planted into soft foundations of the supporting area outside the ring and the reinforced area inside the ring uniformly; the pile distance is large and accordingly scattered piles are formed; the top surfaces of the pile covers are align to each other; the soft cushion platforms are multiple strong net and scatter stone composite cushion layers; the lower surfaces of the multiple strong net and scatter stone composite cushion layers, the top faces of the pile covers and the foundation soil faces between the multiple strong net and scatter stone composite cushion layers and the top faces of the pile covers are connected in a sliding mode to cover on the area; and storage tank foundation surrounding walls and the steeled storage tanks are constructed on the upper surfaces of the soft cushion platforms. The scattered pile and strong net foundation leveling system for the steeled storage tank foundations has the advantages of being applicable to install in the soft soil foundations, being capable of achieving differential sedimentation control and foundation leveling of the steeled storage tank foundations and being thick and short in pile foundations, few in pile foundation numbers, small in construction difficulty, short in construction period, low in construction cost and good in shock resistance performance.
Description
technical field [0001] The invention relates to a foundation leveling system for steel storage tank foundations with sparse piles and strong nets, more precisely, it relates to a leveling system for steel storage tank foundations on soft soil foundations , belongs to the technical field of special foundation of petrochemical steel storage tanks. Background technique [0002] For steel storage tanks used in petrochemical industry, the differential settlement control of the foundation is a key technical issue in the foundation construction of steel storage tanks. The differential settlement of the foundation is not uniform, which may cause distortion and deformation of the steel storage tank wall and affect the storage capacity of the storage tank. normal use and the safety of facilities in the reservoir area. Steel storage tank foundations mainly include ring wall foundations and piled raft foundations. [0003] The ring wall foundation is a flexible foundation, including t...
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Application Information
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