describes the scheme outline and contractual set-up for the viaduct design and discusses the design and construction of the viaduct substructure. In particular‚ the design methodologies used for the piled foundations‚ single reinforced concrete columns and prestressed concrete pier heads are discussed as well as the design of elastomeric bearings used extensively for most of the viaduct spans. Seismic loading governed the design of many of the foundations and the seismic analysis and design methodology
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Filling D.23 Classification for filling materials D. 24 Measurement D.25 Filling to excavation D.26 Filling to make up level D.27 Filling deposited and compacted in layer D.32 Binding SECTION F CONCRETE WORK In-situ concrete F.1 Generally F.2 Classification of site F.3 Concrete categories F.6 Labour on concrete Formwork F.10 Generally F.11 Formwork to foundation and beds F.12 Formwork to slab‚staircase and landing F.13 Formwork to walls SECTION G BRICKWORK AND BLOCKWORK G.1 Classification of work
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and Economic and Environmental Benefits of Pervious Concrete INTRODUCTION Pervious concrete pavement is one of the leading materials used by the concrete industry in effecting significant “Green” industry practices and is recognized as a Best Management Practice by the U.S. Environmental Protection Agency (EPA) for providing pollution control‚ storm water management and sustainable development. The increased interest in pervious concrete is due to those benefits in storm water management
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BASHEERBAGH‚ HYDERABAD www.apitco.org 1.1 INTRODUCTION CLC (Cellular Lightweight Concrete): It is a version of lightweight concrete that is produced like normal concrete under ambient conditions. It is produced by initially making a slurry of Cement +Sand + Fly Ash (constituting 26% - 34 % content) + water‚ which is further mixed with the addition of preformed stable foam in an ordinary concrete mixer under ambient conditions. The mixture is either poured or pumped into assembled moulds
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“products. This means it can only be used in structures like fences‚ walls‚ and canals. At present‚ the ISWMF are receiving orders of hollow blocks. The Teresa government is also passing the technology on to barangays so that they can make their own concrete materials. Not inly are they able to address the municipality’s garbage problem‚ they opened a business portunity for the town and the residents as well. EPA(2007‚ Feb. 9) states that rural folks can beat the high prices of housing materials. Out
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Seminar Report on “Cement Industry-UltraTech Cement” Submitted in Partial Fulfilment for the Award of the Diploma of Post Graduate Diploma in Management (Session 2010-12) Submitted to: Submitted By: Faculty Name: Dr.Ajay Pratap Singh Student Name:Anamika Verma Internal Guide:Dr.Raj Purohit
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John Marsden’s and Shaun Tan’s epic picture book‚ “The Rabbits”‚ is an allegorical fable about colonisation‚ told from the perspective of the natives. An unseen narrator describes the coming of ‘rabbits’ in the most minimal detail‚ an encounter that is at first friendly and curious‚ but later darkens as it becomes apparent that the visitors are actually invaders. My chosen image (above)‚ embodies the overall style of the book which is deliberately sparse and strange. Both text and image conveys an
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structural concrete. The functional demands of such high rise structures include the use of durable materials. High Strength Concrete‚ Self–compacting Concrete are gaining widespread acceptance. Apart from the basic structural materials‚ modern projects require a variety of secondary materials for a variety of purposes such as construction chemicals‚ waterproofing materials‚ durability aids etc. The paper highlights some of the recent developments. Mumbai sea link HIGH PERFORMANCE CONCRETE In the
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2009-10 REPORT ON MIX DESIGN M-10 (20 mm down) with 38.5% FA FIELD QUALITY ASSURANCE DEPT Mix Design for M-10 Grade of Concrete 1) Design Stipulation – a) Characteristic compressive strength required in the field at 28 days b) c) Maximum size of aggregate Degree of workability - 10 N/mm2 - 20 mm - 75 – 125 mm - Good - Moderate - 2% d) Degree of Quality e) f) Type of Exposure Entrapped Air content (max 20 mm) 2) Test Data for Materials – A) CEMENT a) Cement - Shree Ultra OPC 43
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Engineering Coated Recycled Aggregate Concrete Exposed To Elevated Temperature By Arundeb Gupta Somnath Ghosh & Saroj Mandal Jadavpur University‚ India Abstract - An experimental investigation has been conducted to study the mechanical as well as micro structural properties of Recycled aggregate concrete (RAC) with uncoated and Geopolymer / Cement coated recycled aggregate exposed to elevated temperature. Fly ash (as replacement of cement) was added while making concrete. Cubes test specimens were prepared
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