-
公开(公告)号：US20220349133A1
公开(公告)日：2022-11-03
申请号：US17246387
申请日：2021-04-30
IPC分类号： E01D19/06
摘要： This invention is the concept and method of designing, fabricating in a factory environment and installing Deck Joint Systems (DJS) consisting of Ultra High Performance Concrete (UHPC) joint headers sandwiching the joint sealer and pre compressing the sealer using a plurality methods for applying compression. The deterioration of bridges due to the exposure to chlorides, most commonly from leaking joints, has been established as the biggest challenge for bridge owners in the US and abroad. In general, the lack of performance of deck joint systems constructed using state of the art practices is causing accelerated bridge deterioration, especially in areas where deicing chemicals are used.
-
公开(公告)号：US11359367B2
公开(公告)日：2022-06-14
申请号：US16782226
申请日：2020-02-05
发明人： Stefan Wiegrink
摘要： A joint filling profile for forming a joint sealing between floor slabs includes a vertical leg projecting into the joint and a profile body formed from a joint sealing compound and located in a joint widening. The vertical leg and the profile body are separated from each other with the interposition of a first separating material, wherein at least one second separating material is arranged between the vertical leg and the profile body and/or at least one reinforcing mat is arranged within the profile body. The second separating material and/or the reinforcing mat are arranged in such a way that they overlap with the first separating material at least in regions.
-
公开(公告)号：US11286683B2
公开(公告)日：2022-03-29
申请号：US16817042
申请日：2020-03-12
发明人： Mustafa Mashal
摘要： Precast construction elements are described suitable for use in high seismic area. The precast construction elements can be precast, pre-topped double tees. The precast construction elements incorporate a passive energy dissipation device in a flange. The energy dissipation device provides a ductile connection having a deformation capacity of larger than 0.6″. Adjacent elements are connected to one another at joints that include the passive energy dissipation device. Passive energy dissipation devices can be passive hysteretic dampeners, such as U-shaped flexural plates. Passive energy dissipation devices can be bar dissipaters (e.g., grooved dissipaters). Also described are passive hysteretic dampers that include U-shaped flexural plates held in conjunction with a reinforcement element that defines a circle around which the flexural plate can bend.
-
公开(公告)号：US11210408B2
公开(公告)日：2021-12-28
申请号：US16399333
申请日：2019-04-30
发明人： Steven R. Robinson
IPC分类号： E01C11/02 , E04B1/68 , G06F21/60 , H04L9/08 , G06F12/14 , G06F9/455 , E01C11/14 , E01D19/06 , E04B1/94 , E04B1/62
摘要： An expansion joint design for supporting transfer loads. The system includes an elongated core and at least one longitudinal load-transfer member which are bonded together.
-
公开(公告)号：US11149385B1
公开(公告)日：2021-10-19
申请号：US17326271
申请日：2021-05-20
申请人： McTech Group, Inc.
发明人： Stephen F. McDonald
摘要： A field-assembly dowel basket for concrete construction configured for in-the-field assembly from a small number of component parts, including dowels, dowel jackets, frame wires that are assembled into dowel basket sections. The dowel jackets may support different types of dowels, such as rectangular plate dowels, diamond-shaped plate dowels and rod dowels. The dowel jackets are firmly attached to the frame wires by leg-clip structures with three clips features including two leg clips, which attach to risers of the frame wire, as well as a central clip feature that clips to the crossbar of the frame wire, to securely support the frame wire and dowel to the dowel jacket. Multiple dowel basket sections are joined together by inline connectors connecting adjacent frame wires to fabricate an elongated dowel basket of desired length.
-
公开(公告)号：US20190292730A1
公开(公告)日：2019-09-26
申请号：US16298822
申请日：2019-03-11
发明人： Dal N. Hills , Jeff Koebrick , Kason Hills
摘要： A technique for protecting joints in pavement structures includes applying a hardener/densifier to one or more surfaces that define a joint in a pavement structure and, optionally, to portions of one or more surfaces that are located adjacent to the joint. One or more other compounds, such as hydrophobic materials, water-resistant materials, anti-scaling compounds, anti-wear compounds, multi-functional blended compositions and the like, may also be applied to the surfaces that define a joint and/or to portions of one or more surfaces that are adjacent to the joint. A seal may also be formed in a joint in a pavement structure. Joints that have been protected in accordance with teachings of this disclosure are also disclosed.
-
公开(公告)号：US10407900B2
公开(公告)日：2019-09-10
申请号：US16114875
申请日：2018-08-28
发明人： Gary Moore , Adam Smith , Paul Pumm
摘要： An expansion joint sealing system for bridging and sealing a gap located between two spaced-apart structural deck members. The expansion joint sealing system includes an elastomeric seal member and a substantially rigid plate member. The elastomeric seal member is fixedly attached to an underlying structural deck member and is able to expand and contract in the longitudinal direction in relation to the traffic direction across the expansion joint. The rigid plate is not fastened to the elastomeric seal member with mechanical fasteners or other fastening means, but is slidingly engaged with the elastomeric seal member through an elongated guide member. As the rigid plate member is not fastened to the elastomeric seal member, it is able to move along a guide member in a direction that is transverse to the direction of traffic across the expansion joint.
-
8.发明申请公开(公告)号：US20190228117A1
公开(公告)日：2019-07-25
申请号：US16336807
申请日：2018-03-14
发明人： Tinghua YI , Haibin HUANG , Hongnan LI
摘要： The present invention belongs to the technical field of health monitoring for civil structures, and a performance alarming method for bridge expansion joints based on temperature displacement relationship model is proposed. First, the canonically correlated temperature is proposed to maximize the correlation between bridge temperature field and expansion joint displacement; second, a temperature displacement relationship model for bridge expansion joints is established based on canonically correlated temperatures; then, a mean-value control chart is constructed to the error of temperature displacement relationship model; finally, reasonable control limits are determined for the mean-value control chart. A more accurate temperature displacement relationship model can be established based on canonically correlated temperatures, which is of important value to improve the performance alarming ability for expansion joint.
-
公开(公告)号：US10323359B2
公开(公告)日：2019-06-18
申请号：US16101810
申请日：2018-08-13
摘要： The present invention relates to a expansion joint to bridge an expansion gap between two parts of concrete slabs used in floor construction, especially in the manufacture of concrete floors such as for example in industrial floors. Such expansion joints are evidently required to take up the inevitable shrinkage process of the concrete and to assure that the floor elements can expand or contract such as for example occur by temperature fluctuations and resulting in a horizontal displacement of the floor panels vis-à-vis one another.
-
公开(公告)号：US10066386B2
公开(公告)日：2018-09-04
申请号：US15885028
申请日：2018-01-31
发明人： Steven R. Robinson
CPC分类号： E04B1/6801 , E01C11/12 , E01C23/026 , E01D19/06 , E04B1/6812 , E04B1/948 , E04B2001/6818 , E04F15/02016
摘要： An expansion joint design for supporting transfer loads. The system includes an elongated core and at least one longitudinal load-transfer member which are bonded together.
-
-
-
-
-
-
-
-
-
搜索结果
409 条记录 (耗时 0.023 秒)