Security Door Controls (SDC) has an?nounced an expansion that will dou?ble the size of its campus headquarters in Camarillo, Calif. Officials for the electri?fied acces…

Transparency is a critical factor that drives successful project management. There are many reasons why we feel it's critical to insist on transparency and accountabili…

Glaston Corp. reduced its greenhouse gas emissions by 43% in 2022 compared to 2021, say company officials. It achieved the decrease by shifting to the use of renewable …

私は，2020年4月に舌揮石灰工業株式会社に入社しました。入社のころは新型コロナウイルスが猛威を振るい始め，入社後直ぐに在宅勤務など，それまでの新入社員が経験したことがない状況でスタートしました。1年目は採掘関係の業務，2年目からはプラント関係の業務に当たり現在に至ります。今年で入社から3年が経とうとしていますが，今回執筆の機会をいた…

秋芳鉱山は，山口県の国定公園秋吉台の西側に位置する国内有数の大型鉱山で，現在は，セメント原料の他，鉄鋼，化学および骨材用として，年間約800万tの高品位石灰石を生産·出荷している。当鉱山では，採掘工程においてタブレットを用いた積込位置·立坑等運搬先の記録入力，集計を行っている（品質および操業の管理。以下，操業管理システムという）。しか…

Hornos Industriales Pujol, part of Pujol Group, has acquired the glass division of Italian-based Teknokilns, a designer and manufacturer of kilns for glass fusing, bend…

The International Code Council (ICC) has published a new guide on building performance standards (BPS) and energy codes. The resource, called Energy Codes and Building …

令和4年石灰石鉱山における雁災者数は8名（死亡1名，重傷4名，軽傷3名），また，全鉱種·全鉱山（以下，「全鉱山」という。）の罷災者数は14名（死亡1名，重傷8名，軽傷5名）であった。雁災者数は，前年と比較し，石灰石鉱山で3名減少，全鉱山では8名城少し，いずれも過去最少の雁災者数に並ぶ良好な保安成績であったものの，2年ぶりに死亡災害1名…

鉱山保安推進協議会は鉱業関係4団体（当協会，天然ガス鉱業会，日本鉱業協会，カーボンフロンティア機構）によって構成される組織であり，鉱業労働災害防止協会が平成25年度に解散後·同協会の表彰事業を引き継ぐ形で平成26年度より標記会長賞の表彰事業を行って参りました。当表彰制度は民間団体による保安表彰制度であると同時に，第13次鉱業労働災害防…

Vulcan Materials Co. announced results for the quarter ended June 30, reporting total revenues of $2,113 billion versus $1,954 billion in the second quarter of 2022; an…

The March 8, 2023, edition of the University of South Florida's (USF) MUMA College of Business, Student Spotlight, focused on Vince Hafeli, the president of Ajax Paving…

The Rock Products Road Show - an "Economics + Equipment" informational session - rolled into Thompsonville, Mich., on July 21 for the Michigan Aggregates Association's …

When experienced managers join the aggregates industry, they often get intrigued by how confidently the sales department speaks about markets they cover. Aggregate sale…

As his tenure at Dolese Bros. Co. drew to an end, Roger Dolese carefully considered what to do with the business. Mark Helm, president and CEO, said Dolese wanted a way…

As I have loudly predicted for many months now and wrote in this space again last month: There is no recession in the near term, and none in sight. While that is welcom…

The U.S. Department of Labor announced that its Mine Safety and Health Administration [MSHA] completed impact inspections at 20 mines in 15 states in April 2023 and fou…

Welcome to the 2023 edition of the "Aggregates Almanac: The Ultimate Information Resource for Quarry Operators." Published now for the seventh year in a row, feedback f…

The U.S. Department of Labor announced that its Mine Safety and Health Administration (MSHA) completed impact inspections at 16 mines in May, issuing 279 violations and…

昨年10月28日（金）に2022年度保安管理マスター制度技術保安管理士称号認定試験が全国7都市の会場で実施されました。同試験の問題および解答と解説，合格した方の合格記を以下にご報告いたします。…

住友大阪セメント株式会社，岐阜工場鉱山謀の鯉沼と申します。この度，大学の同級生の太平洋セメント株式会社安喰さんを通じて紹介を受けたので，L．S．NETWORKに投稿させていただきます。…

叶山鉱山は群馬県多野郡神流町に位置し，年間約1，600千tの石灰石を採掘している。採掘された石灰石は山元の設備で1次破砕後，機長14．1kmの長距離ベルトコンベアにより埼玉県秩父市の巣掛砕鉱場に輸送され，2次破砕·分級によりセメント原料及び資源品用の製品を生産している。同鉱山の採掘切羽北側の端緑は非常に急峻な地形となっており，端緑下に…

露天掘り鉱山において安定的な残壁を形成しつつ採掘を進めることは，鉱山労働者に対する危害の防止や景観保護等の観点から重要な課題である。現在多くの石灰石鉱山では，残壁の変位を連続的にモニタリングするため，光波測距儀を用いたAPSやGPS等を活用している。この方法は，点での測定が主となっているが，残壁挙動を面として捉えることは難しい。…

From windows, cups, and windshields to smartphone screens and even tissue scaffolds, glass is inescapable in today's world. Though its uses in civilization are benefici…

The labor shortage is real and affecting the economy in every direction, from local restaurants to assembly lines to the quarries all over the country. The skilled trad…

After five jam-packed days of innovative product launches and major company announcements, enlightening education sessions and countless networking opportunities, ConEx…

John Deere has expanded its Performance Tiering Strategy to its line-up of articulated dump trucks. New to the P-Tier portfolio, the 410 and 460 ADTs retain the same fu…

Martin Marietta Materials Inc. announced results for the first quarter ended March 31, reporting total revenues of $1,354.1 billion, versus $1,230.8 in the first quarte…

MSHA reported that on April 9, a miner died at South Pittsburg Stone #2, Marion County, Tenn., while mounting off-road truck tires on rims. The miner was in the process…

When a full third of your readership classifies themselves as contract glaziers, every issue is a contract glazing one. In this issue, though, contract glazing business…

It is your first summer as an undergraduate student in Mexico. Wanting to expand your knowledge over break, you decide to apply for research opportunities in the United…