Offshore Platform Integration and Floatover Technology

Abstract

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Management of the Properties of Shipbuilding Expanded Clay Lightweight Concrete

“…The analysis of the influence of concrete composition on compressive strength (2) showed that for the investigated concrete was in the range of 34 to 45 MPa. On the compressive strength compression of modified expanded clay lightweight concrete, the amount of polypropylene fibers practically does not affect and when changing the factor x 4 within the factor space of the experiment, the value of f ck.cube will change no more than 1 MPa.…”

“…Reinforced concrete vessels and floating structures are being built in different countries for about a hundred years [1]. Presently, mainly large floating structures are being constructed from reinforced concrete: floating docks and berths, oil and gas platforms, houseboats and hotels [2]. Floating structures are operated in the seas and other water bodies in different climatic conditions.…”

Stability Analysis of Dual-Lifting Vessels under Collaborative Lifting Operation

“…Subsequently, Technip developed the UNIDECK float-over technique, in which hydraulic lifting was used to rapidly transfer the module mass to the foundations between wave periods, thereby avoiding collisions from excessive heave [18][19][20]. A detailed comparison of UNIDECK and HIDECK was conducted by Liu and Li [21]. Today, the world's most advanced installation/removal vessel, Pioneering Spirit, uses a double-sided bow lifting arm configuration based on UNIDECK principles [22,23], as depicted in Fig.…”