Shanghai center project excavation induced ground surface

Shanghai center project excavation induced ground surface

Shanghai center project excavation induced ground surface

Shanghai center project excavation induced ground surface movements and deformations. . Department of Civil Engineering, Southwest Forestry University, Kunming 650224, China.. Department of Civil Engineering, University of Kentucky, Lexington, KY 40506-0281, USA.. Shanghai Geotechnical Investigations & Design Institute Company Limited, Shanghai

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Shanghai center project excavation induced ground surface

Up to10%cash back · Aug 02, 2017 · The construction of the Shanghai Center involved excavations in excess of 33-m-deep using the top-down method at a site underlain by thick deposits of marine soft clay. A retaining system was achieved by 50-m-deep diaphragm walls with six levels of struts.

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Shanghai World Financial Center - Regional Chapters

construction, providing temporary vertical support for the below-grade concrete floors, steel H-piles extended from some of the piling to the ground surface. With the re-birth of the project, Mori Building Company approached LERA seeking an alternative design to that contained in the original construction documents.

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[PDF] Three-Dimensional Responses Observed in an

Design and construction of deep excavations in Shanghai, China - Welcome to ICE Virtual Library

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Sheetpile-Induced Vibrations at the Lurie Excavation Project

Ground surface vibrations and their effects on the adjacent ground were monitored during installation of a 20 m deep, sheet-pile wall at the excavation for the Lurie Research Center in Chicago, IL. The subsurface conditions consisted of 9 m of loose to medium dense granular soils and fill over a sequence of increasingly stiff glacial clays.

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Design and construction of deep excavations in Shanghai

Design and construction of deep excavations in Shanghai, China - Welcome to ICE Virtual Library

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Predicting Response of Constructed Tunnel to Adjacent

Mar 18, 2021 · This paper proposes a new method for predicting the displacement and internal force of constructed tunnels induced by adjacent excavation with dewatering. In this method, the total excavation-induced additional stress on the constructed tunnel is derived by superposing the additional stresses induced by excavation unloading and dewatering effects. The additional …

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Performance of a Zoned Excavation by Bottom-Up Technique

Abstract. This paper investigates a basement excavation adjacent to running metro tunnels and underground pipelines in Shanghai soft soil. The zoned …

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Measured behaviors of an oversized irregular basement

Dec 18, 2019 · Hashash YMA, Osouli A, Marulanda C (2008) Central artery/tunnel project excavation induced ground deformations. J Geotech Geoenviron Eng 134(9):1399–1406. Article Google Scholar Hsieh PG, Ou CY (1998) Shape of ground surface settlement profiles caused by excavation. Can Geotech J 35(6):1004–1017

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Evaluation of tunneling-induced ground settlement in soft

The coordinate of the center point of soil unit dXdZ is (ξ, η), the surface settlement at the point X away off the centerline caused by the excavation of this unit can be expressed as[22]: 2 2 1 ( ) exp - ( ) ( ) dW X X dXdZ rr S KK ªº «» ¬¼ (1) W here . r (η) is the influence range of excavation of soil unit dξdη on the surface

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Design and construction of deep excavations in Shanghai, China

Design and construction of deep excavations in Shanghai, China - Welcome to ICE Virtual Library

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Numerical Simulation of Ground Subsidence Induced by

Numerical Simulation of Ground Subsidence Induced by Dewatering in Excavation Yu Chuang a), Wang Xudong b), Pan Linyou The area of the excavation project was 3730 m2 and the depth was 14.5 m. The designed water level decline was 16 m below the ground surface. The initial water level was 1 m from the surface. A

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Sheetpile-Induced Vibrations at the Lurie Excavation Project

Ground surface vibrations and their effects on the adjacent ground were monitored during installation of a 20 m deep, sheet-pile wall at the excavation for the Lurie Research Center in Chicago, IL. The subsurface conditions consisted of 9 m of loose to medium dense granular soils and fill over a sequence of increasingly stiff glacial clays.

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Closed-form solution for excavation-induced ground

Sep 01, 2021 · The first limitation is in their applicability to different ground conditions and construction techniques, e.g., Wang et al. (2012) collected and analyzed a database of 300 case histories in Shanghai soft soil and discovered that the settlement envelope zone for the Shanghai excavations reaches 3.5 times the excavation depth, much larger than

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Simplified analytical method for evaluating the effects of

Jan 01, 2017 · Induced tunnel heave at the excavation center is found to decrease with an increase in ground Young's modulus when it varies from 20 MPa to 65 MPa. When the Young's modulus is smaller than 30 MPa, the tunnel heave at the excavation center exceeds the allowable limit of 20 mm by the Shanghai municipal standard .

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Shape of ground surface settlement profiles caused by

Jan 25, 2011 · Shanghai center project excavation induced ground surface movements and deformations. Deep excavation-induced ground surface movement characteristics – A numerical investigation. Go to Citation Crossref Google Scholar. 189. Distributions of ground movements parallel to deep excavations in clay

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Zoned and staged construction of an underground complex in

Aug 01, 2017 · The underpass was a one-floor underground structure, approximately 82 m by 160 m in plane, with an excavation depth of 9.7 m.The transfer channel was below the underpass, with a height of about 5 m.The metro station of Line 15 below the underpass was 280 m in length and 23.5 m in width.The maximum excavation depth of this metro station was 23.5 m below …

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