Dhaka

Collaborating Authors

Erosion of Kuakata Beach and its Protection by Beach Nourishment

Mitra, Manik C. (University of Texas at San Antonio) | Bin-Shafique, Sazzad (University of Texas at San Antonio) | Rahman, Md. Ataur (Bangladesh University of Engineering and Technology)

OnePetroJune, 2013

ABSTRACT The Kuakata beach, located at northern part of Bay of Bengal and at southwest of Bangladesh, lies between latitude N21°48'05" to N21°51'36" and longitude E90°05'06" to E90°15'07". It is one of the most attractive tourist destinations and perfect place for holidaymakers and sun-seekers, because both the sunrise and sunset in the sea are visible from this place. It is the second most famous beach in the country located some 320 kilometers from the city of Dhaka, the capital city. From the present study it has been found that the western part of Kuakata beach is exposed to continuous erosion due to wave actions and storm surges. The study finds the shore line shifting of Kuakata beach during the period of 1973 to 2010 by satellite image analysis. To protect the central 5 km reach of eroded beach this study also investigates the design aspects of artificial beach nourishment. The half-life of the designed nourished beach has been found as 3.52 years assuming a rectangle nourished beach profile and the nourishment factor is estimated as 0.87.

OnePetro

ISOPE

ISOPE-I-13-511

The Twenty-third International Offshore and Polar Engineering Conference

Bangladesh, beach, Beach Nourishment, Dean, Engineering, equilibrium profile, erosion, fill material, Kuakata beach, main beach, native material, Nourishment, sediment size, shoreline, US government, wave height, West Part, western part

Country:

North America > United States (1.00)
Asia > Bangladesh > Dhaka > Dhaka (0.24)

Genre: Research Report (0.68)

Industry:

Consumer Products & Services > Travel (0.68)
Government > Regional Government > North America Government > United States Government (0.47)

SPE Disciplines: Data Science & Engineering Analytics > Information Management and Systems (0.48)

Technology: Information Technology > Sensing and Signal Processing > Image Processing (0.34)

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Foundations For Tall Buildings In Dhaka City

Kabir, Muhammed H. (Bangladesh University of Engineering and Technology) | Alam, Mohammad J. (Bangladesh University of Engineering and Technology) | Hamid, Arif M. (Bangladesh University of Engineering and Technology) | Akhtaruzzaman, Abul K.M. (Beximco Engineering Ltd)

OnePetroNovember, 2000

ABSTRACT: This paper reports on the conceptual understanding of some aspects of design of mat foundations for tall buildings in Dhaka subsoils. The state-of-the art of design of foundation of tall buildings in Dhaka city is briefly described. The limitations of the existing method in the context of testing techniques, test data interpretation and calculation of tolerable settlements and distortions are discussed. These limitations often lead to designs involving piled foundation, which are very expensive compared to mat foundation alternatives. The paper centers on the identification of characteristic properties of Dhaka subsoil. Test data from laboratory consolidation tests and bore hole (Screw) Plate Load Tests are produced to show the overconsolidated nature of the soil horizons. Design criteria on the basis of total and differential settlement and distortion are also discussed. Some aspects of behaviour of large mat foundations are described in light of experience of the 22 storied Head Office building of Grameen Bank in Dhaka city and a 24 storied Hotel Building in Bucharest, Romania. INTRODUCTION This paper deals with problems especially relating to design of foundations for tall buildings and other heavy structures in subsoils of Dhaka City. In Dhaka City cast-in-place non-displacement type bored piles have been popularly used as foundations for tall buildings. Mat or raft foundations are seldom used as their stability and settlement calculation aspects are not often clearly understood. Moreover the relevant soil parameters and the proper testing techniques in evaluating these, are not properly identified and understood. In this presentation the limitations of the existing methods of soil exploration being used and some aspects relating to mat foundation design have been discussed. Suitable methods of soil exploration, in light of modern day soil mechanics, along with evaluation procedure of design data are produced.

OnePetro

ISRM

ISRM-IS-2000-383

ISRM International Symposium

Bucharest, Dhaka City, Dhaka subsoil, distortion, foundation, interpretation, loading, mat foundation, modulus value, plate load test, Proc, settlement, spt result, stiffness, subsoil, tall building

Country:

Asia > Bangladesh > Dhaka > Dhaka (1.00)
Europe > Romania > București - Ilfov Development Region > Bucharest > Bucharest (0.28)

Genre: Research Report (0.48)

Geologic Time: Phanerozoic > Cenozoic (0.47)

SPE Disciplines:

Data Science & Engineering Analytics > Information Management and Systems (0.67)
Reservoir Description and Dynamics (0.51)

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Anisotropy In Strength Of Dhaka-Clay

Hoque, Eqramul (Bangladesh University of Engineering and Technology) | Islam, Mohammad S. (Bangladesh University of Engineering and Technology)

OnePetroNovember, 2000

ABSTRACT: Static laboratory tests (direct shear and unconfined compression tests) were performed to characterise anisotropy in the strength of clay. The compacted samples were prepared from air-dry grounded ''Dhaka-clay'' particles passing through #200 sieve. The samples were extracted from a mold of soil cake at different orientations relative to its compaction direction. The orientation angle q of a test specimen was defined to be zero if the specimen was extracted from the mold while keeping the sampler axis vertical (i.e., parallel to the compaction direction). Samples extracted for q=00, 450 and 900 from a single mold were tested. Effects of compaction effort, moulding moisture content and soaking on anisotropy were also investigated. It was observed that compacted clay was noticeably anisotropic in strength. Compaction effort increased the anisotropy to some extent, but moulding water content and soaking had little affects on the extent of anisotropy. INTRODUCTION Embankments are necessary for roads in marshy and waterlogged areas, for approaches to bridges, for railways and for water retaining structures like earth dams, reservoir bunds etc. In the construction of such engineering structures loose fills are compacted to increase the soil density, to improve their strength characteristics, and to decrease the permeability. Although compacted clays are extensively used for soil structures, the literature survey showed that the role of anisotropy is not generally considered in the stability analysis of slopes for simplicity. Seed and Chan (1961) and Rao et al. (1982) had reported a few works in this regard. The maximum and minimum strengths for vertical and horizontal specimens of compacted clay, respectively, varied in the range 15~40%; the coefficient of anisotropy was increased by plasticity index (Rao et al., 1982). Practical problem is usually analyzed based on the strength of a vertical specimen (S1).

OnePetro

ISRM

ISRM-IS-2000-417

ISRM International Symposium

Country: Asia > Bangladesh > Dhaka > Dhaka (0.63)

Industry: Energy > Oil & Gas > Upstream (0.30)

SPE Disciplines:

Reservoir Description and Dynamics (0.89)
Well Drilling > Drilling Fluids and Materials (0.54)

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Intriguing Aspects of the 52-Mile Titas-Joydebpur Gas Line Project in Bangladesh

Bakht, D. (Titas Gas T and D Co. Ltd.)

OnePetroJune, 1989

Abstract This paper is based on experiences of implementing the project with application of labour intensive appropriate technology amidst extremely adverse climatic and terrain conditions within a short time frame and yet achieving a strikingly low inch mile cost. Discussion of different aspects of economic technical and mathematical considerations resulted from a close look of its execution and operation is also included to suggest a priority for over coming the limitations in future projects of similar nature and of equivalent or higher magnitude. Introduction Fast increasing demand of natural gas, need for extended supply area and more operational flexibility of its 1200 mile network initiated Titas Gas Transmission and Distribution Co. Ltd. of Bangladesh Oil, Gas and Mineral Corporation under Ministry of Energy and Mineral Resources of the Government of Bangladesh to complete and commission a 1000 psig (70 bar) 52 mile (83 km) gas line project on January 16, 1986 under an US $ 9.2 million credit from Asian Development Bank, Manila. Spanning from Titas field to Joydebpur 20 miles north of Dhaka city, this incredible this project was executed under an emergent time frame of only 2 working seasons commencing early 1984. This amazing success resulted from choosing an appropriate labour intensive technology mostly based on manual pipelaying operations by all 7 local pipelaying operations by all 7 local contractors who were strategically deployed to work simultaneously at different sections of the pipeline. The 4643 (1415 m) ft 16" (400 mm) OD directional drilling a magnificient component of the project, was however completed through an expatriate contractor. A combination of open-cut surfacepull, open-cut semi-bottompull and directional drilling methods were successfully applied in crossing 4 rivers to combat navigation, wind and current problems and to retain the overall project cost to lowest possible dollarage per inch mile. In highlighting these intriguing complexities, adopted technologies, cost elements and engineering adequacies, the following text of the paper will also unearth certain limitations of standard pipelaying codes for NDT in drilled submerged crossing. Further, effect of current and pipe self weight at such crossing installations including enumeration of physical behaviour of pipelines left to rest at the bed shall also be discussed on the perview of its impact on operational life of the system. Background Titas Gas Transmission and Distribution Co. Ltd. has been serving over 2,50,000 Domestic Commercial and Industrial customers with in its franchise area comprising Mid Eastern Part of Bangladesh and has been contributing tremendously in its national economy.

OnePetro

doi: 10.2118/19111-MS

SPE

SPE-19111-MS

SPE Gas Technology Symposium

52-mile titas-joydebpur gas line project, Bangladesh, consideration, contractor, execution, intriguing aspect, limitation, offshore pipeline, operation, Petroleum Engineer, project management, river, spe 19111, strategic planning and management, terrain condition, tita gas transmission, Upstream Oil & Gas, valve station

Country:

North America > United States > Texas (0.28)
Asia > Bangladesh > Dhaka > Dhaka (0.25)
Asia > Philippines > National Capital Region > Manila (0.24)

Industry: Energy > Oil & Gas > Upstream (1.00)

Oilfield Places: Asia > Bangladesh > Titas Field (0.99)

SPE Disciplines:

Facilities Design, Construction and Operation > Pipelines, Flowlines and Risers > Offshore pipelines (0.54)
Management > Strategic Planning and Management > Project management (0.48)

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Structural Development And Hydrocarbon Entrapment In The Surma Basin/Bangladesh (Northwest Indo Burman Fold Belt)

Hiller, K., Elchi, M.

OnePetroFebruary, 1984

Hiller, K., Head of Oil and Natural Gas Section Federal Institute for Geosciences and Natural Resources (BGR), Hannover, Federal Republic of Germany 1981–83, Head of German Geological Advisory Group with Petrobangla Dhaka, Bangladesh Abstract The Surma Basin in the Northeast of Bangladesh is a proven Miocene Gasprovince and was structurally stamped by the contemporaneous interference of two major tectonic movements, ie. the emerging Shillong Massif in the North and the West-prograding mobile Indo-Burman Fold Belt. Basin relief, structural elements, growth and style as well as geochemical data with respect to hydrocarbons, source rocks and maturity are discussed. Related to the clear cut pre- and post-early Pliocene situation, change of migration pattern and coincidence between hydrocarbon generation, migration, accumulation and trap growth are analysed. Finally, the further prospectivity of the Surma Basin is commented upon. prospectivity of the Surma Basin is commented upon. GEOLOGICAL SETTING The Surma Basin (Figure 1) is situated in the Northeastern-most part of Bangladesh and forms a portion of the late to post-geosynclinal Bengal Basin, subsiding from Oligocene or earlier times onwards (HOLTROP and KEIZER) with its peek of subsidence since Pliocene. The Surma Basin covers an area of roughly 2.5 million acres and is framed by the pre-Cambrian basement (PASCOE, WADIA) of the Shillong Massif and its skirting Barail Ranges in the North, by the Barail-Imphal Ridge in the East towards Assam, and in the South by the Tripura High. In the West, the Surma Basin ascends gradually towards the Eocene Hinge Zone, while passing into the Bengal Foredeep over a ridge at about 24 N latitude towards the Southwest (see Figure B-13, 2 at HOLTROP and KEIZER). Based on seismic control, the Surma Basin cumulatively comprises about 57000 ft from post-Eocene Sylhet Limestone to recent clastic sediments (Figure 2, 7), this thickness being in fairly good concurrence with the maximum 55500 ft post-Eocene thick sediments as compared to the adjacent Assam area (DAS GUPTA); Sylhet Limestone and older (Poleocene, ?Cretaceous) sediments may account for another few thousand feet of sedimentary fill.

OnePetro

doi: 10.2118/12398-MS

SPE

SPE-12398-MS

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