CN-121537224-B - Intelligent temperature control maintenance method for ultra-high-performance concrete

CN121537224BCN 121537224 BCN121537224 BCN 121537224BCN-121537224-B

Abstract

The invention relates to the technical field of ultra-high performance concrete curing, in particular to an intelligent temperature control curing method for ultra-high performance concrete. The method comprises the steps of analyzing and generating concrete preliminary temperature control maintenance data based on ultra-high performance concrete proportioning parameters and ultra-high performance concrete temperature control maintenance requirement data, analyzing and processing distribution temperature field characteristics through ultra-high performance concrete pouring node data to generate pouring node distribution temperature field characteristic data, analyzing and processing temperature control evolution hydration state of pouring node temperature field influence adjustment based on the pouring node distribution temperature field characteristic data and the concrete preliminary temperature control maintenance data to generate temperature control evolution hydration adjustment state data, and analyzing concrete preliminary temperature control maintenance data based on the temperature control evolution hydration adjustment state data to generate concrete dynamic temperature control maintenance data. The invention realizes intelligent temperature control maintenance by combining the application of the ultra-high performance concrete.

Inventors

LUAN JIAN
YAN BANFU
CHEN TIANHE
SUN YANFENG
CHEN SHUKE

Assignees

湖南省港湾工程检测养护有限公司
广西大学

Dates

Publication Date: 20260505
Application Date: 20260116

Claims (8)

1. An intelligent temperature control maintenance method for ultra-high performance concrete is characterized by comprising the following steps: Step S1, acquiring ultra-high performance concrete proportioning parameters and ultra-high performance concrete temperature control curing demand data, performing concrete preliminary temperature control curing analysis based on the ultra-high performance concrete proportioning parameters and the ultra-high performance concrete temperature control curing demand data, and generating concrete preliminary temperature control curing data; wherein, step S1 comprises the following steps: step S11, acquiring ultra-high performance concrete proportioning parameters and ultra-high performance concrete temperature control maintenance requirement data; S12, carrying out hydration heat effect matching characteristic analysis of the concrete proportioning parameters according to the ultrahigh-performance concrete proportioning parameters to generate proportioning parameter hydration heat effect matching characteristic data; S13, analyzing the thermophysical influence factors of the concrete proportioning parameters according to the proportioning parameter hydration heat effect matching characteristic data to generate the thermophysical influence factors of the concrete proportioning parameters; s14, performing concrete proportioning parameter thermophysical analysis on the ultra-high performance concrete proportioning parameters based on concrete proportioning parameter thermophysical influence factors to generate concrete proportioning parameter thermophysical data; S15, analyzing the concrete hydration heat release amount of the thermophysical data of the concrete proportioning parameters to generate concrete hydration heat release amount data, and analyzing a concrete hydration heat reaction curve according to the concrete hydration heat release amount data to generate concrete hydration heat reaction curve data; s16, performing temperature control maintenance attribute characteristic analysis of the concrete proportion based on the concrete hydration heat reaction curve data to generate concrete proportion temperature control maintenance attribute characteristic data; step S17, performing concrete preliminary temperature control curing analysis through the ultra-high performance concrete temperature control curing demand data and the concrete proportioning temperature control curing attribute characteristic data to generate concrete preliminary temperature control curing data; S2, acquiring ultra-high performance concrete pouring node data, carrying out analysis processing on the distribution temperature field characteristics of the pouring nodes through the ultra-high performance concrete pouring node data, and generating the distribution temperature field characteristic data of the pouring nodes; s3, carrying out temperature control evolution hydration state analysis processing on the pouring node temperature field influence adjustment based on the pouring node distribution temperature field characteristic data and the concrete preliminary temperature control maintenance data, and generating temperature control evolution hydration adjustment state data; wherein, step S3 includes the following steps: S31, analyzing pouring adjustment influence factors of concrete temperature control maintenance according to the characteristic data of the pouring node distribution temperature field and the concrete hydration heat reaction curve data, and generating temperature control maintenance pouring adjustment influence factor data; S32, performing temperature control curing change characteristic analysis of pouring adjustment on the preliminary concrete temperature control curing data through temperature control curing pouring adjustment influence factor data to generate concrete temperature control curing change characteristic data; Step S33, performing preliminary temperature control curing hydration state analysis according to the concrete preliminary temperature control curing data to generate preliminary temperature control curing hydration state data, and performing hydration state evolution treatment on the preliminary temperature control curing hydration state data to generate preliminary temperature control curing evolution hydration state data; step S34, performing temperature-controlled evolution hydration state adjustment processing on the preliminary temperature-controlled evolution hydration state data according to the concrete temperature-controlled maintenance change characteristic data to generate temperature-controlled evolution hydration state data; and S4, performing concrete dynamic temperature control curing analysis on the concrete preliminary temperature control curing data based on the temperature control evolution hydration adjustment state data to generate concrete dynamic temperature control curing data.
2. The intelligent temperature-controlled curing method of ultra-high performance concrete according to claim 1, wherein the thermophysical property influencing factors of the concrete proportioning parameters in step S13 comprise concrete hydration rate influencing weight parameters and concrete thermal effect hysteresis influencing weight parameters.
3. The intelligent temperature-controlled curing method of ultra-high performance concrete according to claim 1, wherein step S16 comprises the steps of: Step S161, analyzing a key temperature interval of concrete temperature control maintenance through concrete hydration heat reaction curve data to generate concrete temperature control maintenance key temperature interval data; and S162, performing temperature control curing attribute characteristic analysis of the concrete proportion according to the temperature control curing key temperature interval data of the concrete to generate temperature control curing attribute characteristic data of the concrete proportion.
4. The intelligent temperature-controlled curing method for ultra-high performance concrete according to claim 3, wherein the data of the critical temperature interval for temperature-controlled curing of concrete in step S161 comprises a rapid rising interval of concrete temperature, a peak stabilizing interval of concrete temperature and a slow falling interval of concrete temperature.
5. The intelligent temperature control curing method of ultra-high performance concrete according to claim 1, wherein step S2 comprises the steps of: s21, obtaining ultra-high performance concrete pouring node data; S22, collecting the distribution temperature of casting nodes according to the ultra-high performance concrete casting node data to obtain casting node distribution temperature data; S23, performing temperature stability quality assessment processing on the space environment of the pouring node according to the distribution temperature data of the pouring node, and generating temperature stability quality data of the pouring node; And S24, carrying out analysis processing on the distribution temperature field characteristics of the pouring nodes on the distribution temperature data of the pouring nodes according to the temperature stability quality data of the pouring nodes, and generating the distribution temperature field characteristic data of the pouring nodes.
6. The intelligent temperature-controlled curing method for ultra-high performance concrete according to claim 5, wherein the casting node distribution temperature field characteristic data in step S24 includes casting node longitudinal temperature field gradient data, space adjacent node temperature field gradient data, and casting node distribution temperature field trend data.
7. The intelligent temperature-controlled curing method of ultra-high performance concrete according to claim 1, wherein step S34 comprises the steps of: Step S341, performing fuzzy influence conversion processing of each hydration state of temperature control evolution on the preliminary temperature control maintenance evolution hydration state data through the concrete temperature control maintenance change characteristic data to generate evolution hydration state fuzzy influence data, wherein the evolution hydration state fuzzy influence data comprises evolution temperature control stable section fuzzy influence data, evolution temperature rise sensitive section fuzzy influence data and evolution heat release peak section fuzzy influence data; step S342, performing evolution temperature control latency adjustment characteristic analysis on the fuzzy influence data of the evolution temperature control stable section to generate evolution temperature control latency adjustment characteristic data; S343, performing evolution heating acceleration period adjustment characteristic analysis on the fuzzy influence data of the evolution heating sensitive section to generate evolution heating acceleration period adjustment characteristic data; Step S344, performing evolution exothermic suppression period adjustment characteristic analysis on the fuzzy influence data of the evolution exothermic peak section to generate evolution exothermic suppression period adjustment characteristic data; And step 345, performing evolution hydration regulation state analysis of temperature control change according to the evolution temperature control incubation period regulation characteristic data, the evolution temperature rise acceleration period regulation characteristic data and the evolution heat release inhibition period regulation characteristic data to generate temperature control evolution hydration regulation state data.
8. The intelligent temperature control curing method of ultra-high performance concrete according to claim 1, wherein step S4 comprises the steps of: s41, performing hydration state temperature control risk analysis of an evolution short period according to temperature control evolution hydration adjustment state data, and generating evolution short period hydration state temperature control risk data; s42, analyzing the concrete temperature control adjustment parameters of the evolution short period through evolving the hydration state temperature control risk data of the short period, and generating the concrete temperature control adjustment parameters of the evolution short period; S43, analyzing a concrete dynamic temperature control target according to the evolving short-period concrete temperature control adjustment parameters to generate concrete dynamic temperature control target data; and S44, performing concrete dynamic temperature control curing analysis on the concrete preliminary temperature control curing data according to the concrete dynamic temperature control target data to generate concrete dynamic temperature control curing data.

Description

Intelligent temperature control maintenance method for ultra-high-performance concrete Technical Field The invention relates to the technical field of ultra-high performance concrete curing, in particular to an intelligent temperature control curing method for ultra-high performance concrete. Background The high-performance concrete is widely applied to the construction of important infrastructures such as bridges, high-rise buildings, ocean engineering and the like by virtue of the excellent mechanical properties, durability and permeability resistance. The temperature control box curing is used as a core mode of ultra-high performance concrete standardized curing, can provide a relatively airtight and controllable temperature environment for concrete, and is a key means for guaranteeing the strength development and the performance stability of the concrete. When the ultra-high performance concrete is cured in the temperature control box, a large amount of heat released in the hydration process of the ultra-high performance concrete is easy to form local heat accumulation in the box, so that a large temperature gradient is generated between the inside and the surface of the concrete and between different pouring nodes, and further, temperature stress cracks are initiated, the safety and the service life of the concrete structure are seriously influenced, and the ultra-high performance concrete curing quality is improved by accurately controlling the temperature based on the environment of the temperature control box. However, the existing ultra-high performance concrete temperature control maintenance method is mainly based on experience to set fixed temperature control parameters, such as constant cooling rate, heat preservation time and the like, cannot fully consider the influence of individual factors such as concrete proportion difference, spatial distribution of pouring nodes and the like on temperature control maintenance, is mostly static temperature control, cannot dynamically adjust the temperature control parameters according to the temperature evolution state in the hydration process of the concrete, and has low temperature control maintenance precision, so that the generation of temperature cracks is difficult to effectively inhibit. Disclosure of Invention Based on the above, the invention provides an intelligent temperature control maintenance method for ultra-high performance concrete, so as to solve at least one of the technical problems. In order to achieve the purpose, the intelligent temperature control maintenance method for the ultra-high-performance concrete comprises the following steps of: Step S1, acquiring ultra-high performance concrete proportioning parameters and ultra-high performance concrete temperature control curing demand data, performing concrete preliminary temperature control curing analysis based on the ultra-high performance concrete proportioning parameters and the ultra-high performance concrete temperature control curing demand data, and generating concrete preliminary temperature control curing data; S2, acquiring ultra-high performance concrete pouring node data, carrying out analysis processing on the distribution temperature field characteristics of the pouring nodes through the ultra-high performance concrete pouring node data, and generating the distribution temperature field characteristic data of the pouring nodes; s3, carrying out temperature control evolution hydration state analysis processing on the pouring node temperature field influence adjustment based on the pouring node distribution temperature field characteristic data and the concrete preliminary temperature control maintenance data, and generating temperature control evolution hydration adjustment state data; and S4, performing concrete dynamic temperature control curing analysis on the concrete preliminary temperature control curing data based on the temperature control evolution hydration adjustment state data to generate concrete dynamic temperature control curing data. Further, step S1 includes the steps of: step S11, acquiring ultra-high performance concrete proportioning parameters and ultra-high performance concrete temperature control maintenance requirement data; S12, carrying out hydration heat effect matching characteristic analysis of the concrete proportioning parameters according to the ultrahigh-performance concrete proportioning parameters to generate proportioning parameter hydration heat effect matching characteristic data; S13, analyzing the thermophysical influence factors of the concrete proportioning parameters according to the proportioning parameter hydration heat effect matching characteristic data to generate the thermophysical influence factors of the concrete proportioning parameters; s14, performing concrete proportioning parameter thermophysical analysis on the ultra-high performance concrete proportioning parameters based on concrete proportioning parameter ther