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Dynamic compaction ground stabilization reinforcement processing system and processing method

A technology for foundation reinforcement and treatment system, which is applied in infrastructure engineering, soil protection, construction, etc., can solve the problems that the applicability and reliability of monitoring instruments cannot be guaranteed, cannot be diagnosed with ramming, and difficult to verify, etc. Construction period, reliable data, and the effect of saving construction period

Active Publication Date: 2013-05-08
QINGDAO INST OF SURVEYING & MAPPING SURVEY
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Problems solved by technology

[0003] According to the retrieval of the prior art, the prior art documents closest to the present invention show that the prior art method is single, verification is difficult, and diagnosis with tamping cannot be achieved; the applicability and reliability of the monitoring instrument cannot be guaranteed, which requires a A reliable method can effectively control the dynamic compaction operation process, reflect the reinforcement effect in real time and adjust the dynamic compaction parameters, so as to make decisions with compaction

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  • Dynamic compaction ground stabilization reinforcement processing system and processing method
  • Dynamic compaction ground stabilization reinforcement processing system and processing method
  • Dynamic compaction ground stabilization reinforcement processing system and processing method

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Embodiment Construction

[0050] From the perspective of deformation control theory and energy conservation theory, the present invention develops a dynamic compaction construction information system, and realizes automatic data collection and real-time processing by adding self-developed compaction and contact stress sensors to the compaction machine. Ram diagnosis.

[0051] 1. From the perspective of settlement deformation, according to the principle of deformation control, the tamping coefficient is expressed by the actual measured tamping settlement, and the soil reinforcement effect is estimated according to the relative compactness after tamping.

[0052] Calculation equation: α = ϵ v ϵ max = e 0 - e e 0 - e min = X i Δ s i X i N Δ s i ; D r =D r0 +(1-D r0 )α

[0053] Automatically collect the single-click tamping amount Δs through the tamping amount sensor i ,Calculate the cumulative ram settlement And determ...

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Abstract

The invention discloses a dynamic compaction ground stabilization reinforcement processing system. The dynamic compaction ground stabilization reinforcement processing system comprises a dynamic compactor and a winding engine. The dynamic compactor comprises a rammer tripping gear, a rammer hook and a rammer. The winding engine comprises an arm head pulley, a rammer raising steel wire rope which is connected with the winding engine, a pulley, a dynamic compactor mast, a rammer raising steel wire rope which is connected with the hook and a fixed nut. The dynamic compaction ground stabilization reinforcement processing system further comprises a dynamic compaction real-time diagnosis device. The dynamic compactor further comprises a contact stress sensor. The winding engine further comprises a rammer subsidence quantity sensor. The pulley used for the winding engine is a sensor pulley. The dynamic compaction ground stabilization reinforcement processing system can record dynamic compaction working data in real time in the whole process, timely process the data, work out diagnosis along with rammer, and evaluate reinforcement effect. Used as a black box in the process of construction, the dynamic compaction ground stabilization reinforcement processing system can achieve seamless supervise, reduce construction cost, shorten construction period and guarantee 24-hour barrier-free construction.

Description

Technical field [0001] The invention relates to the field of civil engineering treatment of geotechnical engineering, in particular to a system and method for strengthening and tamping foundations. Background technique [0002] Dynamic compaction reinforcement is a convenient, fast, economical, and environmentally friendly foundation treatment method, which is widely used in foundation treatment of a variety of geotechnical sites. The "Technical Specification for Building Foundation Treatment" (JGJ79-2002) proposes that the dynamic compaction parameters should be determined based on field tests or local experience, and the reinforcement effect should be evaluated through post-ramming testing. Due to the complexity of the foundation soil, especially the unevenness of the filling, the construction work according to the unified dynamic compaction parameters may lead to conservative or insufficient dynamic compaction parameters; if the construction process is controlled according to ...

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Application Information

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IPC IPC(8): E02D3/046
CPCE02D3/046E02D2600/10
Inventor 赵民贺可强于开宁王殿斌焦力蒲进菁吴刚
Owner QINGDAO INST OF SURVEYING & MAPPING SURVEY
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