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optimal design of foundation pit dewatering based on pyrite systems

  • Optimal design and dynamic control of construction ...

    Besides, based on the water level equation, an optimization design method for the deep foundation pit dewatering-recharge system was proposed, taking the allowable deformation of pit …


  • finite element analysis of foundation pit ...

    finite element analysis of foundation pit dewatering.pdf,299V01.29,No.920139BUILDINGSCIENCESep.2013[]1002—8528(2013)09-0044-04,(,200233)[], ...


  • Application 3D Numerical Simulation on Foundation Pit ...

    May 01, 2010· Based on the detailed analysis of site engineering geological and hydro-geological conditions for the proposed project Nanchang International Finance Center high-rise building, the dewatering design of this fundamental pit is proposed, in accordance with the surrounding environment as well as those pit design elements and so on. The three …


  • dewatering optimization 1988

    In further studies, it is documented that an optimal design of a dewatering system may be achieved by the incorporation of groundwater flow modeling, inverse simulation studies, and optimization to minimize the total abstraction volume or execution cost, while satisfying the design criteria [18,19,20]. Get price


  • (PDF) Finite-Difference Numerical Simulation of Dewatering ...

    This study aims to design an optimal dewatering system for a large deep foundation pit by adopting the three-dimensional finite-difference numerical simulation approach. Under this context, the T ...


  • Dewatering Methods for Excavations at Construction Sites

    An optimal design depth for the design of the dewatering system may be attained when it increases to 9 m below the riverbed level. ... Subway foundation pit dewatering …


  • Finite-Difference Numerical Simulation of Dewatering ...

    This study aims to design an optimal dewatering system for a large deep foundation pit by adopting the three-dimensional finite-difference numerical simulation approach. Under this context, the Taunsa Barrage of Pakistan was considered as a case study. Moreover, the hydraulic barrier function of an


  • A risk-cost-benefit framework for the design of dewatering ...

    This paper introduces a decision analysis framework for the design of dewatering facilities to improve slope stability in rock slopes at open pit mines. The framework involves the definition of an economic risk-cost- benefit objective function that is used to evaluate alternative pit-wall configurations and dewatering …


  • Novel Excavation and Construction Method for a Deep Shaft ...

    Dewatering using the dewatering systems composed of diaphragm walls and pumping wells is commonly adopted for deep excavations that are undertaken in deep aquifers. However, dewatering can sometimes induce environmental problems, especially when diaphragm walls cannot effectively cut off the aquifers. This paper mainly presents an innovative excavation technique combining dewatering …


  • Advances in Civil Engineering and Architecture Innovation ...

    Abstract: Based on optimal designed objective function method, on the constraint condition of control point level and the objective function of the least total yield, optimal analysis of well-group precipitation design to the subway section has been done, and some targets have been gotten, such as the total yield, precipitation sphere of ...


  • Risk Assessment Based on Fuzzy Fault Tree for ...

    Risk Assessment Based on Fuzzy Fault Tree for Waterproofing Accidents in Deep Excavation p.732. ... "Risk Assessment Based on Fuzzy Fault Tree for Waterproofing Accidents in Deep Excavation", Advanced Materials Research, Vol. 739, pp. 732-736, 2013 ... Optimal Design of Foundation Pit Dewatering Based on Objective Functions and Numerical Analysis.


  • Ground Settlement of Buildings Caused by Foundation Pit ...

    An engineering case is taken to analyze data of buildings settlement caused by foundation pit excavation. The predicted value was calculated and compared with the measured data to discuss the settlement of buildings nearby foundation pit. It is proved that sedimentation rate and settlement are relative to depth of the foundation pit and distance between buildings and foundation pit.


  • Guidelines for the Design and Construction of Stormwater ...

    Cover: An extensive green roof system installed atop the NYC Department of Parks and Recreation's (DPR) Five Borough Building on Randall's Island. This modular system is one of six variations installed on the roof and covers 800 square feet, con-sisting of two-foot by two-foot trays with six inches of mineral soil and over 1,500 sedum plugs.


  • 1. Introduction

    The geology of the study site was characterized by means of borehole drilling. Soils at the site of the air shaft are mainly Quaternary deposits and consist of miscellaneous fill (layer ① 1), plain fill (layer ① 2), medium-coarse sand (layer ② 5), and gravel soils (layer ③ 8).The highly-weathered granite (layer ⑦ 1) is located below the gravel soil layer.


  • Numerical simulation of deep foundation pit dewatering and ...

    Aug 10, 2010· This study refers to the deep foundation pit dewatering project of Hangzhong Road station of Shanghai Metro Line 0. The excavation depth of foundation pit is 15.60–17.60 m, and the design depth of underground continuous wall is 28 m in the standard part and 30 or 31 m in the end well.


  • Strategies for Managing Environmental Problems and Water ...

    Integrated water management systems provide substantial contributions to non-aggressive and sustainable use of water. Accordingly, it also contributes to environmental protection. ... determination of an optimal design for water draw-down, ... For the optimisation of water management and as a foundation for decision support analysis, numerical ...


  • talc dewatering optimization

    talc dewatering optimization - perladiengio.it. dewatering optimization chemical . Sludge dewatering is an important part of the process in municipal wastewater treatment plants and a wide range of other industries such as the pulp, paper and chemical. Due to evertightening environmental requirements, as well as continued pressure to improve ...


  • Application of artificial neural network coupled with ...

    Furthermore, groundwater inflow can have a harmful effect on pit slope stability. Hence, it is necessary to design an effective dewatering system to defeat these problems and simulation of groundwater inflow will greatly assist in this design work.


  • Underground construction and ground movement : proceedings ...

    Note: Citations are based on reference standards. However, formatting rules can vary widely between applications and fields of interest or study. ... Optimal Design and Analysis for Reasonable Distance of Twin-Tube Crossing-River Shield Tunnel ... Design of Shoring System for a Deep Foundation Pit …


  • Numerical simulation of deep foundation pit dewatering and ...

    Zhou et al. [26] proposed a numerical simulation of deep foundation pit dewatering and the optimization of controlling land subsidence, and presented a case study on Shanghai Metro station. Zhang ...


  • Why Buoyancy Forces Cannot Be Ignored - Precast concrete

    Why Buoyancy Forces Cannot Be Ignored. ... An optimal design would be an appropriate FS that is adequate for the conditions present at that specific site. It is recommended that the designer choose an appropriate FS after reviewing jobsite information. ... After construction was complete, the dewatering system would be removed and the ground ...


  • Dewatering Optimization Groundwater

    The method for calculating the total water yield and dewatering time from the initial groundwater level to the target water level is established. Then, the design optimization of well group dewatering is provided with the consideration of total water yield and dewatering time in dynamic dewatering process.


  • WO2011148285A2 - Mine dewatering system and method ...

    A system and method for efficiently and effectively removing water from mine areas is presented. In one embodiment, one or more directionally drilled dewatering wells are drilled into the geologic formation such that at least a portion of the dewatering well is positioned underneath the mine. In one embodiment, one or more of the dewatering wells may originate outside the perimeter of the mine ...


  • US20130192822A1 - Mine Dewatering System And Method ...

    A system and method for efficiently and effectively removing water from mine areas is presented. In one embodiment, one or more directionally drilled dewatering wells are drilled into the geologic formation such that at least a portion of the dewatering well is positioned underneath the mine. In one embodiment, one or more of the dewatering wells may originate outside the perimeter of the mine ...


  • Optimal design and dynamic control of ... - SpringerLink

    Aug 08, 2016· Optimal design and dynamic control of construction dewatering with the consideration of dewatering process ... "Influence of large-scale inhomogeneities on a construction dewatering system in chalk." Geotechnique, Vol. 60, No. 8, pp. 635–649, DOI ... "Optimal design of foundation pit dewatering based on objective functions and numerical ...


  • Water | Free Full-Text | Dewatering Characteristics and ...

    Moreover, a dewatering design method based on the prediction formulas is proposed and applied to the field dewatering project in sand and gravel strata. Measured results show that dewatering efficiency is considerably enhanced by 3D flow, forming appropriate pressure distributions for dewatering …


  • A PRACTICAL CALCULATION METHOD FOR MULTIPLE WELL ...

    Dewatering is always necessary in foundation pit excavation and hand dig piles. Flows vary so rapidly in the multiple well dewatering system that the conventional numerical methods show their disadvantages of low efficiency and time consuming. The paper he...


  • 2nd International Conference on Civil Engineering 2011 ...

    The Information Management System's Construction for Highway's Geological ... Optimal Design of Deep excavation-supporting Engineering Adjacent to the ... Analysis on Impact Factors of Land Subsidence Caused by Foundation Pit Dewatering Based on SPSS Software


  • CN204040012U - Groundwater recharge system structure ...

    A groundwater recharge system structure comprises a foundation trench dewatering well, a water pump, tube well bodies wrapped with filter screens, a tee connection pipe, a building envelope, a valve, a drainage ditch, a drainage pool, a water discharging pipeline, a recharge well, a pump lifting water pump and a drainage pipeline, the building envelope is arranged between the foundation trench ...


  • Land subsidence due to groundwater pumping and recharge ...

    With the rapid development and use of ground-source heat-pump (GSHP) systems in China, it has become imperative to research the effects of associated long-term pumping and recharge processes on ground deformation. During groundwater GSHP operation, small …