Topic
Screed
About: Screed is a research topic. Over the lifetime, 1899 publications have been published within this topic receiving 11118 citations.
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Patent•
14 Sep 2004
TL;DR: A segmented concrete screed for screeding concrete on a concrete casting bed includes a plurality of individual screed units each of which may be raised and lowered independently of the others such that screed operations may selectively bypass obstructions in the concrete to be screeded as discussed by the authors.
Abstract: A segmented concrete screed for screeding concrete on a concrete casting bed includes a plurality of individual screed units each of which may be raised and lowered independently of the others such that screeding operations may selectively bypass obstructions in the concrete to be screeded.
11 citations
Patent•
29 Apr 2010
TL;DR: In this article, a powered roller screed with a curb attachment is described, which includes a screed roller that is offset (e.g., vertically) from one or more curb rollers used by the attachment.
Abstract: A powered roller screed with a curb attachment is disclosed. The powered roller screed may include a screed roller that is offset (e.g., vertically) from one or more curb rollers used by the curb attachment. In one embodiment, the amount of offset between the screed roller and each such curb roller is adjustable. Generally, each curb roller used by the curb attachment may engage and roller along an upper wall of a curb as screeding operations are conducted on poured concrete alongside the curb.
11 citations
Patent•
04 Jan 1989
TL;DR: A vibrating portable screed of the type made up of sections having screed blade means at the base and a ridge portion at the top employs a turnbuckle assembly in the ridge portion held together by a removable pin and other removable pin connected means in the base portion thereby enabling the sections to be quickly assembled and disassembled by installing and removing the pins.
Abstract: A vibrating portable screed of the type made up of sections having screed blade means at the base and a ridge portion at the top employs a turnbuckle assembly in the ridge portion held together by a removable pin and other removable pin connected means in the base portion thereby enabling the sections to be quickly assembled and disassembled by installing and removing the pins.
11 citations
TL;DR: In this paper, early-age volume variations of self-leveling mortar of sulfo-aluminous cement base are evaluated in an endogenous configuration and during the drying process using two displacement measuring techniques: a classical method using displacement sensors and a more original one using digital 3D image correlation.
11 citations
Patent•
06 Apr 1989
TL;DR: An improved adjustable holder for a screed rail mounted above the ground is described in this paper. But it does not address the need for concrete pads which are presently used to support such a rail on the ground.
Abstract: An improved adjustable holder for a screed rail for mounting the rail above the ground so as to eliminate the need for concrete pads which are presently used to support such a screed rail on the ground. The holder includes an upright stake or post having a sleeve adjustably mounted on the post for movement along the post. A bar extends laterally from the sleeve and is coupled thereto by a pivot pin so that the angle of the bar relative to the ground can be adjusted. Once adjusted, the bar is fixedly held in place by a clamping structure including a curved, slotted arm pivotally mounted at one end thereof and coupled near the opposite end to the bar. Slidable members are on the bar for holding the side flanges of the screed rail in place on the bar at the proper positions. Thus, the holder of the present invention has three degrees of freedom, namely vertical movement of the sleeve, pivotal movement of the bar in a vertical plane, and linear movement of the flange holding members on the bar.
11 citations