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公开(公告)号：FI951292A0
公开(公告)日：1995-03-20
申请号：FI951292
申请日：1995-03-20
Applicant: RHONE POULENC CHIMIE , BOUYGUES SA
Inventor： DUGAT JEROME , FROUIN LAURENT , PRAT EVELYNE , RICHARD PIERRE
IPC: B28C5/00 , E04C5/01 , C04B7/13 , C04B12/00 , C04B14/06 , C04B20/02 , C04B22/06 , C04B28/02 , C04B40/00 , C04B111/70 , C04B
Abstract: The material for injection to shroud a framework, and especially prestressed cables, is composed of 1.3-3.0 wt.% of inert hydrophilic particles in the cement mixture. They have a specific surface of more than 200 m /g, to give a fraction during mixing and/or injection into numerous fragments as small as 5 nanometres and as large as 300 nanometres. The particles are of precipitated silica.
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公开(公告)号：MX162914B
公开(公告)日：1991-07-08
申请号：MX20366684
申请日：1984-12-10
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
Abstract: A ballastable concrete base for an offshore platform is essentially constituted by a volume formed by a three-dimensional lattice of concrete bars interconnected at concrete nodes. Some of the nodes are interconnected by prestress cables passing outside the bars and optionally past intermediate nodes. The cables three-dimensionally prestress the lattice as a whole, and the base further includes means for making watertight the side and the bottom of the lattice.
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公开(公告)号：CA1218242A
公开(公告)日：1987-02-24
申请号：CA470001
申请日：1984-12-13
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
Abstract: A ballastable concrete base for an offshore platform is essentially constituted by a volume formed by A threedimensional lattice of concrete bars interconnected at concrete nodes. Some of the nodes are interconnected by prestress cables passing outside the bars and optionally past intermediate nodes. The cables three-dimensionally prestress the lattice as a whole, and the base further includes means for making watertight the sides and the bottom of the lattice.
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公开(公告)号：CA1218241A
公开(公告)日：1987-02-24
申请号：CA470000
申请日：1984-12-13
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
Abstract: A concrete structure comprises a rigid threedimensional lattice of concrete bars which are interconnected at nodes. The lattice is constituted by an assembly of prefabricated cast blocks, in which each block comprises a node and arms radiating from the node. Each arm has at least one longitudinal socket with an opening in a free end of the arm, and the arms of two blocks are assembled in aligned end-to-end pairs to constitute the bars of the lattice. The sockets of assembled arms are in alignment and contain a common metal reinforcing member, and the junction zone of the arms is surrounded by a clamping sleeve, with the sockets being filled with hardened mortar. The lattice is prestressed by prestress cables passing outside the bars of the lattice and fixed to some nodes of the lattice.
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公开(公告)号：OA07894A
公开(公告)日：1986-11-20
申请号：OA58471
申请日：1984-12-14
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
Abstract: A concrete structure including a rigid three-dimensional lattice of concrete bars which are interconnected at nodes. The lattice is constituted by an assembly of prefabricated cast blocks, in which each block comprises a node and a plurality of arms (14) radiating from the node. Each arm has at least one longitudinal socket with an opening in the free end of the arm, and the arms of two blocks are assembled in aligned end-to end pairs to constitute the bars of the lattice. The sockets of assembled arms are in alignment and contain a common metal reinforcing member, and the junction zone of the arms is surrounded by a clamping sleeve, with the sockets being filled with hardened mortar. The lattice is prestressed by prestress cavles passing outside the bars of the lattice and fixed to some nodes of the lattice.
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Patent Agency Ranking
公开(公告)号：AT22836T
公开(公告)日：1986-11-15
申请号：AT84401234
申请日：1984-06-15
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
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27.发明专利
公开(公告)号：DE3173017D1
公开(公告)日：1986-01-02
申请号：DE3173017
申请日：1981-11-24
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
Abstract: This invention relates to a prestressed concrete structure which behaves like a hollowed out slab. The structure combines a lattice work structure and a prestress by external cable, maximally optimizing the advantages of these two techniques. The Figure represents a part of the floor of a bridge according to the present invention. The floor comprises two tables 6 and 7 which are joined by a lattice work composed of pyramids P. Prestressing cables 8, 8' and 9' pass between the tables outside the concrete of the bars of the pyramids. The present invention is used for the construction of bridges, roofings and floors.
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公开(公告)号：AT16616T
公开(公告)日：1985-12-15
申请号：AT81401862
申请日：1981-11-24
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
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公开(公告)号：DE3168205D1
公开(公告)日：1985-02-21
申请号：DE3168205
申请日：1981-11-24
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE
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公开(公告)号：DE69407553D1
公开(公告)日：1998-02-05
申请号：DE69407553
申请日：1994-06-30
Applicant: BOUYGUES SA
Inventor： RICHARD PIERRE , CHEYREZY MARCEL , DUGAT JEROME
Abstract: A method and composition for preparing concrete elements comprising the steps of mixing a composition comprising the following components expressed in parts by weight (p): a) 100 p of Portland cement; b) 30 p to 100 p or better 40 p to 70 p of fine sand having a grain size of at least 150 micrometers; c) 10 p to 40 p or better 20 p to 30 p of amorphous silicon having a grain size of less than 0.5 micrometers; d) 20 p to 60 p or better 30 p to 50 p of ground quartz having a grain size of less than 10 micrometers; e) 25 p to 100 p, or better 45 p to 80 p of steel wool; f) a dispersing agent; g) 13 p to 26 p or better 15 p to 22 p of water; and after setting, curing the concrete at a temperature of 250 DEG C. or higher, for a length of time sufficient to transform cement hydration products into crystalline hydrates of the xonotlite type; thus eliminating substantially all of the free water and at least the main part of the adsorbed and chemically bonded water.
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