SIGNIFICANCE OF STONE STRENGTH IN GRAINY BREAKWATER DURABILITY

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Jalali H.

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS) PORTS & MARITIME ORGANIZATION
Year:1990 | Issue:1

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Information Seminar Paper

Title

SIGNIFICANCE OF STONE STRENGTH IN GRAINY BREAKWATER DURABILITY

Author(s)

Jalali H.

Keywords

HYDRAULIC PERFORMANCE

STONE LAYERS

PERSIAN GULF

BREAKWATER DURABILITY

Abstract

TODAY, THE GRAINY BREAKWATERS ARE FINANCIALLY AND TECHNICALLY IMPORTANT IN BERTH CONSTRUCTION. THE ADVANTAGE OF THESE BREAKWATERS IS GENERALLY IN ITS SIGNIFICANT FLEXIBILITY, LOW MAINTENANCE AND UTILIZATION ISSUES AND FINALLY THEIR EASE OF CONSTRUCTION. ALTHOUGH THEIR STRENGTH IS MOSTLY IMPUTED TO ITS ARMOR AND LOWER LAYERS, REGARDING THE GEOTECHNICAL AND HYDRAULICS SCIENTIFIC AND TECHNOLOGICAL ADVANCES OF THE LAST TWO DECADES HAS INDICATED THE LONG-TERM EFFECTS OF CORE MATERIALS AND ITS HYDRAULIC-STRUCTURAL PERFORMANCE. THE NECESSITY FOR KNOWING MOST OF BREAKWATERS BEHAVIOR HAS BEEN GENERALLY ACCEPTED BY MANY EXPERTS AFTER MANY INCIDENTS AND DAMAGES HAD HAPPENED FOR LARGE BREAKWATERS AT THE ATLANTIC OCEAN AND THE MEDITERRANEAN SEA (E.G. THE SINES PORT OF PORTUGAL, TRIPOLI PORT OF LIBYA, GIOLA TAURO PORT OF ITALY, SKIKDA, VARVAN AND AREZU PORTS OF ALJAZEERA AND ETC). THE ARMOR LAYER PLAYS THE ROLE OF ENERGY DEPRECIATION CAUSED BY WAVES AND THE ROLE OF WAVE REFLECTION OR RESONANCE AND THEY PROTECT THE BREAKWATER'S BODY AND INCREASE THE USEFUL LIFETIME OF THESE STRUCTURES. VARIOUS INVESTIGATIONS HAVE INDICATED THAT THE STRENGTH OF STONE LAYERS IN THE ARMOR LAYER DEPENDS ON THE FOLLOWING PARAMETERS: WAVES HEIGHT, SPEED, RESONANCE AND GROUPING WHICH INCLUDES FORCES OF LIFTING, INERTIA AND DRAGGING; THE WEIGHT OF STONY BLOCKS AND THE SUBMERGED WEIGHT (THE DENSITY OF THE SOLID AND THE ADJACENT LIQUID); ARRANGEMENT, INTERLOCK, INFRACTION FORCE AND THE INTERNAL INFRACTION ANGLE BETWEEN BLOCKS; THE CORE'S PERMEABILITY LEVEL; AND THE CONDITION OF THE ARMOR LAYER BASE (THE LINING LAYER'S CONDITION).

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APA: Copy

Jalali, H.. (1990). SIGNIFICANCE OF STONE STRENGTH IN GRAINY BREAKWATER DURABILITY. INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). SID. https://sid.ir/paper/907603/en

Vancouver: Copy

Jalali H.. SIGNIFICANCE OF STONE STRENGTH IN GRAINY BREAKWATER DURABILITY. 1990. Available from: https://sid.ir/paper/907603/en

IEEE: Copy

H. Jalali, “SIGNIFICANCE OF STONE STRENGTH IN GRAINY BREAKWATER DURABILITY,” presented at the INTERNATIONAL CONFERENCE ON COASTS, PORTS AND MARINE STRUCTURES (ICOPMAS). 1990, [Online]. Available: https://sid.ir/paper/907603/en

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