The 46th JCI Technical Conference

ConstructionⅠ

Thu. Jun 27, 2024 9:00 AM - 10:30 AM Room 3 (第1・2会議室)

座長:黒川浩嗣(土木),南浩輔(建築)

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[1068] Quantitative evaluation of compaction in fresh concrete using a RI density measuring machine

KAZUKI KOSHIMA¹, Shuji Matsumoto¹, Ryoichi Ashizawa¹, Kenzo Watanabe¹ (1.鹿島建設)

[1069] Influence of Change in Air Content in Fresh Concrete by Vibration on Hardened Concrete Characteristics

Yusuke TAZAWA¹, Kohsuke KAWAZOE¹, Masamitsu SUZUKI², Yoshitaka KATO¹ (1.東京理科大学 2.東急建設)

[1070] Detailed grid map showing hot weather concreting period

Fumiya Takasugi¹, Tomoya Nishiwaki¹, Korekiyo Ito², Tomoyuki Koyama³ (1.東北大学 2.東海大学 3.九州大学)

[1071] Experimental Study on the Effect of Various Hardening Accelerators on the Color of Concrete Surface and its Countermeasures

Yosuke Mitsumori¹, Shinichi Koizumi¹, Haretake Imoto¹, Daiki Kobayashi¹ (1.ポゾリスソリューションズ)

[1072] Evaluation of properties of dumping by distance from the stick vibrator using the L flow test remodeled in order to simulate of flowing fresh concrete casting and placing in the RC form

Chikanori HASHIMOTO¹, kyousuke fujiwara², takeshi watanabe¹, keisuke ishimaru¹ (1.徳島大学 2.ヤンマー情報システムサービス)

[1073] Effect of compaction by vibrator on strength and surface quality of concrete

Masayuki HIRASE¹, Yasutaka SAGAWA² (1.ファインテクノ 2.九州大学)

The 46th JCI Technical Conference

ConstructionⅡ

Thu. Jun 27, 2024 10:50 AM - 12:15 PM Room 3 (第1・2会議室)

座長:森田浩史(土木),髙瀬裕也(建築)

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[1074] Analysis of causes for tendency of reduction in cracking probability in quality attainment system of Yamaguchi prefecture by conducting investigation of quality of structural concrete

yuto yoshida¹, Akira Hosoda¹, Takashi Yoshimura² (1.横浜国立大学 2.山口県)

[1075] Study on Method of Measuring Pumping Motion of Concrete Pumps by Accelerometer with Built-in Smart Phone

Shigeki SEKO¹, Mikito YAMAGUCHI², Daijiro TSUJI³, Masaro KOJIMA³ (1.愛知工業大学 2.コア　中部カンパニー 3.竹中工務店)

[1076] Consideration in subsidence test of aluminum balls including the influence of vibration due to compaction and concrete placement intervals

Atsunori MIYATA¹, Tomoyuki Karasawa², Yoshihisa Nakata¹, Kenichi Ichise³ (1.日本大学 2.鉄建建設 3.日本大学理工学部)

[1077] Evaluation of acceleration occurred on fresh concrete around the blade on bi-axial forced-mixing type mixer with help of wireless tag mounted with a capacitance type acceleration sensor

Junnosuke AKIZUKI¹, Chikanori Hashimoto¹, Takeshi Watanabe¹, Keisuke Ishimaru¹ (1.徳島大学)

[1078] Influence of coarse aggregate shape on filling ability on fresh concrete

Soudai Ikezawa¹, Mitsuyasu Iwanami¹ (1.東京工業大学)

[1079] Influence of the combination factor to give it to homogeneity of the press-fited self-filling concrete in a form

Hikaru ICHIKAWA¹, Taro Hiromitsu², Shinichiro Hashimoto¹, Hiromitsu Koyama² (1.千葉工業大学 2.佐藤工業)

[1080] Examination about the filling-related evaluation by the pressure duct internal pressure in the self-filling cover mechanic construction system

Keisuke Nagashima¹, Hiromitsu Koyama², Tarou Hiromitsu², Shinichiro Hashimoto¹ (1.千葉工業大学 2.佐藤工業)

The 46th JCI Technical Conference

ConstructionⅢ

Thu. Jun 27, 2024 1:15 PM - 3:00 PM Room 3 (第1・2会議室)

座長:笠倉亮太(土木),笠井浩(建築)

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[1081] The test construction work of waterproofing using a fatigue resistant coating film with crack followability properties

Iku KONO¹, Mitsunao TAKAYAMA¹, Yoshinori MATSUDA¹ (1.東日本旅客鉄道)

[1082] Improvement of visual evaluation method and application method of highly flowable concrete for tunnel lining

noriyuki mitsui¹, kazunori satou², akira hosoda³, yudai terayama⁴ (1.西松建設 2.日本大学 3.横浜国立大学 4.東北地方整備局)

[1083] Long-distance pumping of concrete in residential areas

Koki Akaike¹, Kyoko Nagasue¹, Naoki NAKATANI¹, Toru TANAKA² (1.安藤・間 2.横浜協立)

[1084] DEVELOPMENT AND UTILIZATION OF A FRESH CONCRETE DIAGNOSTIC SYSTEM BASED ON MACHINE LEARNING OF SLUMP TEST IMAGES

Atsushi KAWAMATA¹, Keisuke IWAKI¹, Erina FUKUOKA¹, Kazuhiko SEKI² (1.鉄建建設 2.アイセイ)

[1085] Development and on-site trial of concrete pouring time monitoring system using AI

kosuke yamanishi¹, ashish shrestha¹, cauchi james² (1.安藤・間 2.Avintonジャパン)

[1086] Mix proportion and construction with long-distance pumping of hot weather concrete over 35 degree C using workability retaining admixture.

Koji MORITA¹, Toshiki Takabuchi¹, Satoshi Oga¹, makoto Ujiie¹ (1.東洋建設)

[1087] Validation of Design Methods for Replacement of Reinforced Concrete Hollow Slab Bridge

Mamoru MASAKI¹, Emi WATANABE¹, Naofumi INABA², Toshihide SHIMADA² (1.富士ピー・エス 2.中日本高速道路)

Events

A. Material & Construction » Construction

ConstructionⅠ

[1068] Quantitative evaluation of compaction in fresh concrete using a RI density measuring machine

[1069] Influence of Change in Air Content in Fresh Concrete by Vibration on Hardened Concrete Characteristics

[1070] Detailed grid map showing hot weather concreting period

[1071] Experimental Study on the Effect of Various Hardening Accelerators on the Color of Concrete Surface and its Countermeasures

[1072] Evaluation of properties of dumping by distance from the stick vibrator using the L flow test remodeled in order to simulate of flowing fresh concrete casting and placing in the RC form

[1073] Effect of compaction by vibrator on strength and surface quality of concrete

ConstructionⅡ

[1074] Analysis of causes for tendency of reduction in cracking probability in quality attainment system of Yamaguchi prefecture by conducting investigation of quality of structural concrete

[1075] Study on Method of Measuring Pumping Motion of Concrete Pumps by Accelerometer with Built-in Smart Phone

[1076] Consideration in subsidence test of aluminum balls including the influence of vibration due to compaction and concrete placement intervals

[1077] Evaluation of acceleration occurred on fresh concrete around the blade on bi-axial forced-mixing type mixer with help of wireless tag mounted with a capacitance type acceleration sensor

[1078] Influence of coarse aggregate shape on filling ability on fresh concrete

[1079] Influence of the combination factor to give it to homogeneity of the press-fited self-filling concrete in a form

[1080] Examination about the filling-related evaluation by the pressure duct internal pressure in the self-filling cover mechanic construction system

ConstructionⅢ

[1081] The test construction work of waterproofing using a fatigue resistant coating film with crack followability properties

[1082] Improvement of visual evaluation method and application method of highly flowable concrete for tunnel lining

[1083] Long-distance pumping of concrete in residential areas

[1084] DEVELOPMENT AND UTILIZATION OF A FRESH CONCRETE DIAGNOSTIC SYSTEM BASED ON MACHINE LEARNING OF SLUMP TEST IMAGES

[1085] Development and on-site trial of concrete pouring time monitoring system using AI

[1086] Mix proportion and construction with long-distance pumping of hot weather concrete over 35 degree C using workability retaining admixture.

[1087] Validation of Design Methods for Replacement of Reinforced Concrete Hollow Slab Bridge

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